Демон BSD на острове пингвинов. Прибавляем и убавляем с LVM
Рашид Ачилов

# pvcreate /dev/sdb1



# vgdisplay



# vgextend vg_windycat /dev/sdb1



# lvscan



# lvextend /dev/vg_windycat/lv_tmp /dev/sdb1



# lvextend -l +50%PVS /dev/vg_windycat/lv_tmp /dev/sdb1



# resize2fs /dev/vg_windycat/lv_tmp



# echo 1 > /sys/bus/scsi/devices/2\:0\:0\:0/rescan



# partprobe
# hdparm -z /dev/sda
# blockdev --rereadpt /dev/sda
# echo 1 > /sys/block/sda/device/rescan



# lvresize -r -L -20G /dev/vg_windycat/lv_tmp



# vgdisplay -v



# vgreduce vg_windycat /dev/sdb1



# pvmove /dev/sdb1



/53a70e91-e9415eb2-cc54-386077f0a18b/vmdisks/windycat # ls -la



# Extent description
RW 251658240 VMFS "windycat_1-flat.vmdk"



# vmkfstools -i windycat_1.vmdk -d thin temp.vmdk
# vmkfstools -i temp.vmdk -d thin windycat_1.vmdk



# vmkfstools -K windycat_1.vmdk



# vgrename vg_windycat vg_mycoolname



# vgrename Zvlifi-Ep3t-e0Ng-U42h-o0ye-KHu1-nl7Ns4 VolGroup00_tmp



# mount -o rw,remount /



# lvrename /dev/vg_windycat/lv_tmp vg_windycat/lv_blabla
# lvrename vg_windycat lv_tmp lv_blabla



# vgcfgrestore -l vg_windycat



# vgcfgrestore -f /etc/lvm/backup/vg_windycat vg_windycat

--------------------------------

Облачная операционная система OpenStack. Часть 4. Сервис блочного хранилища OpenStack Cinder
Андрей Маркелов

# vgcreate cinder-volumes /dev/vdb1



# yum -y install openstack-cinder



# cp /usr/share/cinder/cinder-dist.conf /etc/cinder/cinder.conf



# cat /etc/cinder/cinder.conf



# crudini --set /etc/cinder/cinder.conf DEFAULT rabbit_userid guest
# crudini --set /etc/cinder/cinder.conf DEFAULT rabbit_password guest
# crudini --set /etc/cinder/cinder.conf DEFAULT rabbit_host localhost



# crudini --set /etc/cinder/cinder.conf keystone_authtoken admin_tenant_name service
# crudini --set /etc/cinder/cinder.conf keystone_authtoken admin_user cinder
# crudini --set /etc/cinder/cinder.conf keystone_authtoken admin_password openstack



# crudini --set /etc/cinder/cinder.conf DEFAULT volume_group cinder-volumes



# openstack-db --init --service cinder



# source keystonerc_admin
# keystone user-create --name cinder --pass openstack



# keystone user-role-add --user cinder --role admin --tenant service



# keystone service-create --name=cinder --type=volume --description="OpenStack Block Storage"



# keystone service-create --name=cinderv2 --type=volumev2 --description="OpenStack Block Storage"



# keystone endpoint-create --service-id 6bc993971e854a63a6b0ad3c807ceaff --publicurl http://os1.test.local:8776/v1/%\(tenant_id\)s --internalurl  http://os1.test.local:8776/v1/%\(tenant_id\)s --adminurl http://os1.test.local:8776/v1/%\(tenant_id\)s



# keystone endpoint-create --service-id 2c091c9fca3841f28fa67376f1be3f9e --publicurl http://os1.test.local:8776/v2/%\(tenant_id\)s --internalurl  http://os1.test.local:8776/v2/%\(tenant_id\)s --adminurl http://os1.test.local:8776/v2/%\(tenant_id\)s



# yum -y install targetcli
# crudini --set /etc/cinder/cinder.conf DEFAULT iscsi_ip_address 192.168.122.101
# systemctl enable target
# systemctl start target



# systemctl enable openstack-cinder-api
# systemctl enable openstack-cinder-scheduler
# systemctl enable openstack-cinder-volume



# openstack-service start cinder



# cinder service-list



# cinder create --display-name testvol1 1



# cinder list



# vgs

 


# lvs



$ nova volume-attach myinstance1 82711b99-cce1-45e4-8b7e-b91301d65dc8 /dev/vdb



$ cinder list

--------------------------------

LXD – управляем контейнерами Linux. Знакомимся с альтернативой Docker от разработчиков LXC
Денис Силаков


$ sudo apt-get install lxd nova-compute-lxd



$ systemctl start lxd
$ systemctl enable lxd



$ lxc remote add images images.linuxcontainers.org



$ lxc image list images:



$ lxd-images import lxc ubuntu trusty amd64 --alias Ubuntu



$ lxc launch ubuntu vm1



$ lxc launch images:ubuntu/trusty/amd64 vm2



$ lxc list



$ lxc exec vm1 -- /bin/bash



$ lxc file pull vm1/var/log/messages ~/vm1_logs



$ lxc remote add serv2 my.server.net
$ lxc start serv2:vm1



$ lxc move host1:vm1 host2:vm1

--------------------------------

Функция DNS Policies в Windows Server 2016 Technical Preview
Сергей Яремчук
PS> Add-DnsServerClientSubnet -Name "LocalSubnet" -IPv4Subnet 192.168.0.0/24



PS> Add-DnsServerZoneScope -ZoneName "example.com" -Name "LocalZoneScope"



PS> Add-DnsServerResourceRecord -ZoneName "example.com" -A -Name "www" -IPv4Address "192.168.0.1" -ZoneScope "LocalZoneScope"
PS> Add-DnsServerResourceRecord -ZoneName "example.com" -A -Name "www" -IPv4Address "172.1.1.1"



PS> Add-DnsServerQueryResolutionPolicy -Name "LocalPolicy" -Action ALLOW -ClientSubnet "eq,LocalSubnet" -ZoneScope "LocalZoneScope,1" -ZoneName "example.com"



PS> Get-DnsServerQueryResolutionPolicy -ZoneName "example.com"



PS> Add-DnsServerClientSubnet -Name "AllowedSubnet" -IPv4Subnet 192.168.0.0/24
PS> Add-DnsServerZoneTransferPolicy -Name "AllowedSubnetPolicy" -Action IGNORE -ClientSubnet "ne,AllowedSubnet" -PassThru



PS> Remove-DnsServerZoneTransferPolicy -Name "AllowedSubnet" –PassThru

--------------------------------

Расширяем функциональность 1С:Предприятия. Часть 1. Внешние компоненты COM
Олег Филиппов,

switch(lMethodNum)
    { 
    case methEnable:
…



 if (pAsyncEvent)
    {
        who = csSource;
        what = csMessage;
        data = csData;
        pAsyncEvent->ExternalEvent(who, what, data);
    }



#include "AddIn.h"
CAddIn* pAddIn;



public:
void Event(BSTR Sourse, BSTR Message, BSTR Data);
...
void CAddIn::Event(BSTR Sourse, BSTR Message, BSTR Data)
{
	pAsyncEvent->ExternalEvent(Sourse, Message, Data);
}



pAsyncEvent = m_iAsyncEvent;



ПодключитьВнешнююКомпоненту("C:\ReleaseMinSize\AddInComol.dll", "Comp", ТипВнешнейКомпоненты.COM);



ПодключитьВнешнююКомпоненту("ВнешняяОбработка.Тест.Макет.ВК", " Comp", ТипВнешнейКомпоненты. COM);



Компонента = Новый("AddIn.Comp.AddInComol");



Компонента = Новый COMОбъект("AddIn.MyClass");

--------------------------------
Опыт секционирования таблиц в Oracle. Часть 1. Создание секционированных таблиц
Валерий Михеичев

SELECT OWNER, TABLE_NAME, COLUMN_NAME, VIRTUAL_COLUMN, DATA_TYPE, DATA_DEFAULT FROM ALL_TAB_COLS WHERE OWNER='ИМЯ СХЕМЫ' AND TABLE_NAME='ИМЯ ТАБЛИЦЫ';



CREATE TABLE AIF.HISTLG ( ISN  NUMBER, UPDATED  DATE)
TABLESPACE HSTDATA
PARTITION BY RANGE (UPDATED)
(PARTITION  PARTMM_2015_01   VALUES LESS THAN (TO_DATE('01.01.2015','DD.MM.YYYY'))  COMPRESS,
 PARTITION  PARTMM_2015_02   VALUES LESS THAN (TO_DATE('01.02.2015','DD.MM.YYYY')),
 PARTITION  PARTMM_2015_03   VALUES LESS THAN (TO_DATE('01.03.2015','DD.MM.YYYY')),
 PARTITION PARTMM_MAX         VALUES LESS THAN (MAXVALUE)
  )   ENABLE ROW MOVEMENT;



SELECT * FROM ALL_TAB_PARTITIONS  WHERE TABLE_NAME=’ИМЯ ТАБЛИЦЫ’ AND TABLE_OWNER=’ИМЯ СХЕМЫ’ ORDER BY PARTITION_POSITION;



SELECT * FROM ИМЯ_СХЕМЫ.ИМЯ_ТАБЛИЦЫ PARTITION (ИМЯ СЕКЦИИ);



CREATE TABLE AIF.HISTLG ( ISN  NUMBER, UPDATED  DATE)
TABLESPACE HSTDATA
PARTITION BY RANGE (ISN)
 (PARTITION  PARTISN_01  VALUES LESS THAN (1000),
  PARTITION  PARTISN_02  VALUES LESS THAN (2000),
  PARTITION  PARTISN_03  VALUES LESS THAN (3000),
  PARTITION  PARTISN_MAX  VALUES LESS THAN (MAXVALUE)
 )   ENABLE ROW MOVEMENT;



--диапазон новой секции
ALTER TABLE AIF.HISTLG  SPLIT  PARTITION  PARTMM_MAX   AT (TO_DATE('01.01.2016','DD.MM.YYYY'))
INTO (PARTITION PARTMM_2016_01 ,     --имя новой секции
PARTITION P_MAX)  UPDATE GLOBAL INDEXES;



CREATE TABLE AIF.HISTLG ( ISN  NUMBER, UPDATED  DATE)  TABLESPACE HSTDATA
PARTITION BY RANGE (UPDATED)
INTERVAL (INTERVAL '1' MONTH)
 (PARTITION  PARTMM_01   VALUES LESS THAN (TO_DATE('01.01.2015','DD.MM.YYYY')) )
 ENABLE ROW MOVEMENT;



CREATE TABLE AIF.HISTLG ( ISN  NUMBER, UPDATED  DATE) TABLESPACE HSTDATA
PARTITION BY RANGE (ISN)
INTERVAL(1000)
(PARTITION  PARTISN_01  VALUES LESS THAN (1000) )   ENABLE ROW MOVEMENT;



--виртуальный столбец
CREATE TABLE AIF.AGREEM (ISN NUMBER,UPDATED DATE, PARTID AS  (TO_NUMBER(TO_CHAR(UPDATED,'MM')))
)  PARTITION BY LIST(PARTID)
  ( PARTITION PART_1 VALUES (1),
    PARTITION PART_2  VALUES (2),
    …
    PARTITION PART_12 VALUES (12));



ALTER TABLE ИМЯ_СХЕМЫ.ИМЯ_ТАБЛИЦЫ MODIFY PARTITION ИМЯ_СЕКЦИИ SHRINK SPACE CASCADE;
ALTER TABLE ИМЯ_СХЕМЫ.ИМЯ_ТАБЛИЦЫ MOVE PARTITION ИМЯ_СЕКЦИИ TABLESPACE ИМЯ_ТАБЛИЧНОГО_ПРОСТРАНСТВА NOLOGGING;



CREATE TABLE AIF.LISTIN (TASKISN NUMBER, OBJISN NUMBER, PARAM NUMBER,
CONSTRAINT PK_LISTIN PRIMARY KEY(TASKISN,OBJISN,OBJROWID,PARAM)
) ORGANIZATION INDEX  INCLUDING PARAM OVERFLOW
PARTITION BY HASH (TASKISN) PARTITIONS 16



SELECT P.TABLE_OWNER, P.TABLE_NAME,P.PARTITION_POSITION POS, P.PARTITION_NAME, P.HIGH_VALUE, P.SEGMENT_CREATED, (SELECT ROUND(S.BYTES/1024/1024,1) FROM DBA_SEGMENTS S WHERE S.OWNER=P.TABLE_OWNER  AND S.SEGMENT_NAME=P.TABLE_NAME AND S.PARTITION_NAME=P.PARTITION_NAME) MB FROM DBA_TAB_PARTITIONS P  WHERE TABLE_OWNER='ИМЯ СХЕМЫ' AND TABLE_NAME='ИМЯ ТАБЛИЦЫ' ORDER BY PARTITION_POSITION;



CREATE TABLE AIF.PAY_ORD_RECORD  ( ISN  NUMBER,  PAY_DATA DATE,  PAYER_NAME VARCHAR2(255),   STATUS  NUMBER )  TABLESPACE HSTDATA
 PARTITION BY RANGE (PAY_DATA)
 INTERVAL (INTERVAL '1' MONTH)
         SUBPARTITION BY LIST (STATUS)
 SUBPARTITION TEMPLATE (
         SUBPARTITION STATUS_0   VALUES (0) TABLESPACE TRDATA1,
         SUBPARTITION STATUS_1   VALUES (1) TABLESPACE  TRDATA2,
         SUBPARTITION STATUS_2   VALUES (2) TABLESPACE  TRDATA3  )
(PARTITION  P_2015_01 VALUES LESS THAN(TO_DATE('01.01.2015','DD.MM.YYYY')))
ENABLE ROW MOVEMENT;



SELECT P.TABLE_OWNER,  P.TABLE_NAME, P.PARTITION_NAME, P.PARTITION_POSITION, P.HIGH_VALUE, P.SUBPARTITION_COUNT, S.SUBPARTITION_NAME, S.HIGH_VALUE, S.SUBPARTITION_POSITION SUB_POS, S.TABLESPACE_NAME, S.SEGMENT_CREATED
FROM ALL_TAB_PARTITIONS P, ALL_TAB_SUBPARTITIONS S
WHERE P.TABLE_OWNER=S.TABLE_OWNER AND P.TABLE_NAME=S.TABLE_NAME
AND P.PARTITION_NAME=S.PARTITION_NAME
AND P.TABLE_OWNER='AIF' AND P.TABLE_NAME='PAY_ORD_RECORD'
ORDER BY P.PARTITION_POSITION, S.SUBPARTITION_POSITION;



CREATE TABLE AIF.PAY_ORD_RECORD_SYS
(ISN NUMBER, PAY_DATA DATE, PAYER_NAME VARCHAR2(255), STATUS NUMBER)
 PARTITION BY SYSTEM
(PARTITION P1,
 PARTITION P2,
 PARTITION P3);



SELECT * FROM ALL_TAB_PARTITIONS  WHERE TABLE_NAME='PAY_ORD_RECORD_SYS';



SELECT PARTITIONING_TYPE FROM ALL_PART_TABLES WHERE TABLE_NAME='PAY_ORD_RECORD_SYS';

--------------------------------

Готовимся к переходу на PHP 7
Александр Майоров
<?php

// PHP5
function add($a, $b) {
   return (int) $a + (int) $b; // 5
}

// PHP7 Coercive mode
function add(int $a, int $b) {
   return $a + $b;
}
var_dump(add('2a', 3.1)); // 5



<?php

function sumOfInts(int ...$ints) {
   return array_sum($ints);
}
var_dump(sumOfInts(2, '3', 4.1)); //int(9)



<?php

declare(strict_types=1);



<?php

declare(strict_types=1);

function multiply(float $x, float $y): float {
   return $x * $y;
}

function resultMsg(float $value): string {
   return "Result of calculation: $value";
}

function showAnswer(string $msg) {
   echo $msg;
}
showAnswer(
   resultMsg(
      multiply(2, 3.5)
   )
);



<?php

$x = NULL;
$y = NULL;
$z = 3;
var_dump($x ?? $y ?? $z); // int(3)

$username = $_GET['user'] ?? 'nobody';
$model = Model::get($id) ?? $default_model;



<?php

function mysort($a, $b) {
   return ($a < $b) ? -1 : ( ($a > $b) ? 1:0 );
}


function mysort($a, $b) {
   return $a <=> $b;
}



<?php

var_dump(intdiv(3, 2)); // int(1)
var_dump(3 %% 2); // int(1)

$foobar = 3;
$foobar %%= 2;
var_dump($foobar); // int(1)



<?php
$tokenStream = []; // [tokenName, lexeme] pairs
$input = <<<'end'
$a = 3; // variable initialisation
end;

// Pre PHP 7 code
preg_replace_callback(
   [
      '~\$[a-z_][a-z\d_]*~i',
      '~=~',
      '~[\d]+~',
      '~;~',
      '~//.*~'
   ],
   function ($match) use (&$tokenStream) {
      if (strpos($match[0], '$') === 0) {
         $tokenStream[] = ['T_VARIABLE', $match[0]];
      } elseif (strpos($match[0], '=') === 0) {
         $tokenStream[] = ['T_ASSIGN', $match[0]];
      } elseif (ctype_digit($match[0])) {
         $tokenStream[] = ['T_NUM', $match[0]];
      } elseif (strpos($match[0], ';') === 0) {
         $tokenStream[] = ['T_TERMINATE_STMT', $match[0]];
      } elseif (strpos($match[0], '//') === 0) {
         $tokenStream[] = ['T_COMMENT', $match[0]];
      }
   },
   $input
);



<?php
// PHP 7+ code
preg_replace_callback_array(
   [
      '~\$[a-z_][a-z\d_]*~i' => function ($match)      use (&$tokenStream) {
         $tokenStream[] = ['T_VARIABLE', $match[0]];
      },
      '~=~' => function ($match) use (&$tokenStream) {
         $tokenStream[] = ['T_ASSIGN', $match[0]];
      },
      '~[\d]+~' => function ($match) use (&$tokenStream) {
         $tokenStream[] = ['T_NUM', $match[0]];
      },
      '~;~' => function ($match) use (&$tokenStream) {
         $tokenStream[] = ['T_TERMINATE_STMT', $match[0]];
      },
      '~//.*~' => function ($match) use (&$tokenStream) {
         $tokenStream[] = ['T_COMMENT', $match[0]];
      }
   ],
   $input
);



<?php

class Foo {
   private static $_stFoo = 42;
   private $_foo = 'some str';
}

$cb1 = static function() {
   return Foo::$_stFoo;
};

$cb2 = function() {
   return $this->_foo;
};

$f1 = Closure::bind($cb1, null,   'Foo');
$f2 = Closure::bind($cb2, new Foo,'Foo');
var_dump( $f1() );
var_dump( $f2() );



<?php

class Foo {
   private $_foo = 'some string';
}

$closure = function($msg) { return "{$this->_foo} and $msg"; };

$obj = new Foo();
$result = $closure->call($obj, 'some message');
var_dump($result);



<?php

// PHP 7
use Framework\Component\ {
   ClassA,
   ClassB as CB,
   ClassD,
   SubComponent\ClassA as ClassA,
   function SubComponent\someFunctionA,
   const SubComponent\SOME_CONSTANT_A
};



<?php
$someObject::new('foo', 'bar')
   -> forEach(function($index, $item)
      {
         // some code
      });



<?php

class MyPage implements Page {
   public function __construct($controller) {
    /* ... */
   }
}

return new MyPage($controller);



<?php

return new class($controller) implements Page {
   public function __construct($controller) {
      /* ... */
   }
};



<?php

/* implementing an anonymous console object from your */
/* framework maybe */
(new class extends ConsoleProgram {



<?php

function g() {
  yield 1;
  yield from new ArrayIterator([2, 3, 4]);
  yield 5;
}

$g = g();
foreach ($g as $yielded) {
   var_dump($yielded);
}



<?php

// nesting ::
$foo::$bar::$baz // access the property $baz of the $foo::$bar property
// nesting ()
foo()() // invoke the return of foo()
// operators on expressions enclosed in ()
(function () {})() // IIFE syntax from JS

// operator support on dereferencable scalars
'string'->toUpper(); // call the toUpper() method on the string 'string'



<?php
// $someObj->$props['name'];

// PHP 5.6
$someObj->{$props['name']};

// PHP 7
{$someObj->$props}['name'];

--------------------------------

TypeScript для PHP-разработчика. Как писать на JavaScript большие приложения и не сойти с ума
Александр Майоров
let say =  (def:string):string  => `TypeScript is ${def}!`;
say('pretty amazing')



var say = function (def) { return ("TypeScript is " + def + "!"); };
say('pretty amazing');



(function() {
    var say;
    say = (function(_this) {
        return function(def) {
            return "TypeScript is " + def + "!";
        };
  	})(this);
    say('pretty amazing');
}).call(this);



var gvstr;
var _this = this; // Babel делает так же
var say = function (def) {
    return _this.gvstr = "T..." + def + "!"
};
say('pretty amazing');



enum Color { Red, Green, Blue }
var color :Color = Color.Green;



var Color;
(function (Color) {
    Color[Color["Red"]  = 0] = "Red";
    Color[Color["Green"]= 1] = "Green";
    Color[Color["Blue"] = 2] = "Blue";

})(Color || (Color = {}));

var color = 1;



const enum Color { Red, Green, Blue }
var color :Color = Color.Green;



var c = 1;



const TRAIN_TYPE_A = 1;
const TRAIN_TYPE_B = 2;

class Train {
	public static $someFlag = TRAIN_TYPE_B;
	protected $_seatsCount = 0;

	function __construct($i) {
		$this->setSeatsCount($i);
		var_dump('Call Train');
	}
	public function getSeatsCount() {
		return $this->_seatsCount;
	}
	public function setSeatsCount($i) {
		return $this->_seatsCount = $i;
	}
}

class Sapsan extends Train {
	function __construct() {
		parent::__construct(59);
		var_dump('Call Sapsan');
	}
}

$Sapsan1 = new Sapsan();
var_dump($Sapsan1->getSeatsCount());
var_dump(Sapsan::$someFlag);



var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    __.prototype = b.prototype;
    d.prototype = new __();
};
var var_dump = console.log.bind(this);
var TRAIN_TYPE_A = 1;
var TRAIN_TYPE_B = 2;
var Train = (function () {
    function Train(i) {
        this._seatsCount = 0;
        this.setSeatsCount(i);
        var_dump('Call Train');
    }
    Train.prototype.getSeatsCount = function () {
        return this._seatsCount;
    };
    Train.prototype.setSeatsCount = function (i) {
        return this._seatsCount = i;
    };
    Train.someFlag = 1;
    return Train;
})();
var Sapsan = (function (_super) {
    __extends(Sapsan, _super);
    function Sapsan() {
        _super.call(this, 59);
        var_dump('Call Sapsan');
    }
    return Sapsan;
})(Train);
var Sapsan1 = new Sapsan();
var_dump(Sapsan1.getSeatsCount());
var_dump(Sapsan.someFlag);



const TRAIN_TYPE_A = 1;
const TRAIN_TYPE_B = 2;

class Train {
	public static $someFlag = TRAIN_TYPE_B;
	protected $_seatsCount = 0;

	constructor($i) {
		this.setSeatsCount($i);
		var_dump('Call Train');
	}
	public getSeatsCount() {
		return this.$_seatsCount;
	}
	public setSeatsCount($i) {
		return this.$_seatsCount = $i;
	}
}

class Sapsan extends Train {
	constructor() {
		super(59);
		var_dump('Call Sapsan');
	}
}
var $Sapsan1 = new Sapsan();
var_dump($Sapsan1.getSeatsCount());
var_dump($Sapsan.someFlag);



const TRAIN_TYPE_A = 1;
const TRAIN_TYPE_B = 2;

class Train {
	public static someFlag: number = TRAIN_TYPE_B;
	protected _seatsCount: number = 0;

	constructor(i: number) {
		this.setSeatsCount(i: number);
		var_dump('Call Train');
	}
	public getSeatsCount(): number {
		return this._seatsCount;
	}
	public setSeatsCount(i: number): number {
		return this._seatsCount = i;
	}
}

class Sapsan extends Train {
	constructor() {
		super(59);
		var_dump('Call Sapsan');
	}
}

var Sapsan1:Sapsan = new Sapsan();
var_dump(Sapsan1.getSeatsCount());
var_dump(Sapsan.someFlag);



// PHP 7

function add(int $a, int $b): int {
	return $a + $b;
}



type int = number;

function add(a: int, b: int): int {
	return a + b;
}



interface iTemplate {
	function setVariable($key, $val);
	function getHtml($template);
}

class Template implements iTemplate {
	private $vars = [];

	public function setVariable($key, $val) {
		$this->vars[$key] = $val;
	}
	public function getHtml($template) {
		$tpl = '';
		// some do with template
		return $tpl;
	}
}



interface iTemplate {
	setVariable(key:string, val:any): void;
	getHtml(template:string): string;
}

class Template implements iTemplate {
	private vars:Object = {};

	public setVariable(key:string, val:any): void {
		this.vars[key] = val;
	}
	public getHtml(template:string): string {
		var tpl;
		// some do with template
		return tpl;
	}
}



<?hh
$stringStore = null;

class Store<T> {
	public function __construct(private T $data) {}
	public function get(): T    { return $this->data; }
	public function set(T $x): void { $this->data = $x;}
}

function createStringStore(string $data): Store<string> {
	$store = new Store($data);
	// Some do with $store
	return $store;
}
$stringStore = createStringStore('Hello world');



// TypeScript
var stringStore:Store<string> = null;

class Store<T> {
	public constructor(private data:T) {}
	public get(): T    { return this.data; }
	public set(x:T): void { this.data = x;   }
}

function createStringStore(data:string): Store<string> {
	var store:Store<string> = new Store(data);
	// Some do with $store
	return store;
}
stringStore = createStringStore('Hello world');

--------------------------------

Секреты механизмов подпрограмм: параметры и локальные переменные
Алексей Вторников

// Наибольшее из двух целых
int max (int a, int b) {
    if (a > b) return a; else return b;
}



// Обмен значениями переменных
int a, b;
...
void change () {
    int temp;

    temp = a;
    a = b;
    b = temp;
}



// Наибольшее из двух целых
int max (int a, int b) {
    int temp;

    if (a > b) temp = a; else temp = b;
    return temp;
}



int maxValue = max (4, 9);



int maxValue = max (-4, -9);



double mySubroutine (int a, boolean b, double f) {...}



int [] processArray (String [] lines) {...}