unless

abort的使用

" unless File.exist?(file)   其实，ruby已经为我们内置了一个abort
jsntghf·2011-09-22 13:00

abort的使用

" unless File.exist?(file)   其实，ruby已经为我们内置了一个abort
jsntghf·2011-09-22 13:00

strlcpy实现

Always NUL terminates (unless siz == 0). * Returns strlen(src); if retval >=
kenby·2011-09-13 22:00

关于理解Perl的fork函数

\n"; unless($pid) {      # This is the child process.      system "date";      sleep(3);     
hack8·2011-09-03 22:00

Create a table unless it already exists

 CreateatableunlessitalreadyexistsTocreateatableinSQLServer,unlessithasalreadybeencreated:ifnotexists(select*fromsysobjects wherename=''andxtype='U')   createtable'...whereisthenameofthetable.The'xtyp
acuna1·2011-09-01 17:00

API - jQuery之操作cookie

http://plugins.jquery.com/project/Cookie Installation Include scriptafterthe jQuery library (unless
javatome·2011-08-24 21:00

API

Standard SQL does not permit the HAVING clause to name any column not found in the GROUP BY clause unless
orcl_zhang·2011-06-28 17:00

[Perl]管道、进程及其他

他的程序大概是这样的：unless(openFH,"-|"){ exec"foobar";#用exec执行另一个程序 exit; } while(){
ace_fei·2011-06-27 13:00

ORA-00937: not a single-group group function解决方法

function, such as AVG, COUNT, MAX, MIN, SUM, STDDEV, or VARIANCE, and an individual column expression, unless
suibian1243·2011-06-27 08:00

WindowBuilder Pro

downloads are provided under the terms and conditions of the Eclipse Foundation Software User Agreement unless
xbgd·2011-06-26 22:00

Setting up an extension development environment

Unless otherwise specified, these suggestions apply to both Firefox and Thunderbird as well as SeaMo
wapysun·2011-06-15 10:00

Learning Perl 4

1.控制结构所有控制结构都可以做条件修饰符:commandif();unless(){}等同于if(!){}unless(){}else{}until(){}等同于while(!)
aboocool·2011-06-14 20:58

Java HotSpot VM Options

Unless otherwise noted
li.feixiang·2011-06-08 22:00

perl简单读写文件

/usr/bin/perl-wusestrict;unless(open(MYFILE,"){print$_;}#printMYFILE("wahaha.
RabbitEatPumpkin·2011-05-12 11:00

ruby_语法总结

检查类型 条件语句 if,then,else,elsif,case,when,unless 循环语句　for ,in,while,until,next,break,do,redo,retry,yield
fantaxy025025·2011-04-29 20:00

Unless , 被滥用的Ruby条件

阅读更多有些人恨Ruby的unless。我个人并不这样，但是我尽力遵守一些规则。我会用下面都一些例子来澄清这些规则。
debbbbie·2011-04-22 10:00

Unless , 被滥用的Ruby条件

有些人恨Ruby的unless。 我个人并不这样， 但是我尽力遵守一些规则。 我会用下面都一些例子来澄清这些规则。
debbbbie·2011-04-22 10:00

娃娃鸭学Ruby-27、Unless

Unless unless,作为一个语句或修饰符，和if恰好相反：当且仅当与其关联的表达式的值为false或nil，它才会执行相应的代码。
wavaya·2011-04-21 11:00

zk框架之Condition Evaluation

If and Unless 我们可以通过if和Unless来控制widget的显示与否 <button if="${param.readOnly=='true' }"
wang7839186·2011-04-08 11:00

discuz 加密解密 authcode 用Ruby 1.9 实现 （可用）

def self.authcode(str,decode=true,key='',expiry=0) return nil unless str str = decode ?
andy.xl·2011-04-06 10:00

内置组件和unless/>

第一部分：源码AbstractConditional.java//Copyright2009TheApacheSoftwareFoundation // //LicensedundertheApacheLicense,Version2.0(the"License"); //youmaynotusethisfileexceptincompliancewiththeLicense. //Youmayo
阎王他爹·2011-04-02 17:00

signal and resignal

The difference is this: for SIGNAL 1) the SQLSTATE must be stated unless signalling a named condition
Angi·2011-03-23 17:00

优秀rails代码赏析

def subclasses @subclasses ||= [] end def inherited(base) unless
pingfeng·2011-03-18 16:00

Ant学习笔记（二）

4）unless属性 该属性的功能与if属性的功能正好相反，它也用于验证指定的属性是否存在，若不存在，所在target将会被执行。
wangxing0311·2011-03-17 10:00

管道、进程及其他

他的程序大概是这样的：unless(openFH,"-|"){ exec"foobar";#用exec执行另一个程序 exit; } while(){ ... } closeFH; $ret
ace_fei·2011-03-12 11:00

关于维基中singleton pattern的一段

Another notable difference is that static member classes cannot implement an interface , unless that
dracularking·2011-02-24 10:00

【每天读一点英文】gnuhpc注释版：Speak to us of Beauty

" Where shall you seek beauty, and how shall you find her unless she herself be your way and your
izuoyan·2011-02-08 08:00

Android service 服务 笔记

The Service object itself does not imply it is running in its own process; unless other
enefry·2010-12-25 03:00

Asterisk sip canreinvite

This peer option in sip.conf is used to tell the Asterisk server to not issue a reinvite to the client unless
jiagou·2010-12-16 23:00

Asterisk sip canreinvite

This peer option in sip.conf is used to tell the Asterisk server to not issue a reinvite to the client unless
javahigh1·2010-12-16 23:00

Asterisk sip canreinvite

This peer option in sip.conf is used to tell the Asterisk server to not issue a reinvite to the client unless
javatoyou·2010-12-16 23:00

ant learn

this is the one which names buildLearn.xml contains the useful ways to show message,unless,copy ,delete
请输入用户名·2010-12-07 15:00

Oracle RAC 环境下修改主机名

Hostname changes are not supported in Oracle Clusterware (CRS), unless
ijavagos·2010-12-05 02:00

Asterisk sip canreinvite

This peer option in sip.conf is used to tell the Asterisk server to not issue a reinvite to the client unless
jiagou·2010-11-13 22:00

Asterisk sip canreinvite

This peer option in sip.conf is used to tell the Asterisk server to not issue a reinvite to the client unless
javatoyou·2010-11-13 22:00

undefined method `[]' for #

 如果你遇到undefined method `[]' for #<Enumerable::Enumerator>，可以将以下代码加入项目中：   unless '1.9
jsntghf·2010-11-05 12:00

undefined method `[]' for #

 如果你遇到undefined method `[]' for #<Enumerable::Enumerator>，可以将以下代码加入项目中：   unless '1.9
jsntghf·2010-11-05 12:00

Oracle中drop user和drop user cascade的区别

Oracle Database does not drop users whose schemas contain objects unless you specify CASCADE
lxy2330·2010-11-01 19:00

creating efficient layouts

➤ Avoid unnecessary nesting: Don’t put one layout within another unless
jacky-zhang·2010-10-21 14:00

drop user和drop user cascade的区别

Oracle Database does not drop users whose schemas contain objects unless you specify CAS
kalogen·2010-10-19 12:00

Asterisk::AMI perl 实现

'127.0.0.1',PeerPort=>'5038',Username=>'admin',Secret=>'supersecret');die"Unabletoconnecttoasterisk"unless
jiagou·2010-10-18 17:00

Asterisk::AMI perl 实现

'127.0.0.1',PeerPort=>'5038',Username=>'admin',Secret=>'supersecret');die"Unabletoconnecttoasterisk"unless
javatoyou·2010-10-18 17:00

Just Change It

Just Change It As Jim Rohn said, “Unless you change how Shoes Air Force 1you are, you will always
Tzyyt0i·2010-10-18 17:00

比较好的用户多角色控制,适用于用户角色不多的情况,最好5个以内

",email] unless email.blank?  )}}   好处是不用再添加一个表.
ywencn·2010-09-19 16:00

ORA-00937: not a single-group group function说明及解决方法

function, such as AVG, COUNT, MAX, MIN, SUM, STDDEV, or VARIANCE, and an individual column expression, unless
mintelong·2010-08-27 10:00

关于理解Perl的fork函数的一个范例

\n";  unless($pid)  {       # This is the c
xiaoyuwang·2010-08-04 22:20

关于理解Perl的fork函数的一个范例

\n";  unless($pid)  {       # This is the c
xiaoyuwang·2010-08-04 22:20

Clojure 学习笔记之when-not

在clojure中有if 但是没有unless，但是有对应的when-not，同样if与when相对。相比于if与unless，when与when-not没有另外的条件不成立时的分支。
heoxsoft·2010-07-25 08:00

C++ 运算符优先级列表

All operators have left-to-right associativity unless otherwise noted.   Preced
haohetao·2010-07-20 16:00

C++ 运算符优先级列表

All operators have left-to-right associativity unless otherwise noted.   Preced
haohetao·2010-07-20 16:00
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