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unless
Perl Learning - 18 (
unless
, until, elsif, for)
unlessexpression:whenconditionisfalseexecutetheblock.
unless
($fred=~/^[A-Z_]\w*$/i){print"Thevalueof\$
licong_jay
·
2012-11-23 21:56
Perl
Learning
perl
Perl Learning - 18 (
unless
, until, elsif, for)
unlessexpression:whenconditionisfalseexecutetheblock.
unless
($fred=~/^[A-Z_]\w*$/i){ print"Thevalueof
licong_jay
·
2012-11-23 21:56
perl
learning
《Perl语言入门》重读后感
因为
unless
until这些玩意其实每一种语言几乎都会有对应的东西,如果有语言基础相对好讲。难道作者想先爬个坡,然后放一章比较好懂的让大家放松一下?
tjzzy
·
2012-11-17 16:00
perl
Oracle drop user xxx cascade
Oracle Database does not dropusers whose schemas contain objects
unless
you specify CASC
v5browser
·
2012-11-14 13:00
cascade
EJB transction, BMT, CMT,setRollbackOnly
(
unless
you're an entity, in which case you're CMT) With BMT, your job is to demarcate the start and
javavsnet
·
2012-11-02 15:00
ejb
Kill -9 Why You Should Not Use It
Unless
Absolutely Necessary
Ithascometomyattentionthatthereisagreatwaveofpeopleouttherethatthinkusing kill-9 oneverythingisagreatidea.Whoarethesepeopleandhowdidtheyacquiresuchaninsidioushabit?IwishIknew.ThereexistsinUnixathingca
amaowolf
·
2012-10-11 13:00
command
kill
application
Signal
bookmarks
Sockets
rails render :partial使用
h1> <% @posts.each do |post| %> <div id="post"> <h2><%= link_to_
unless
_current
Anleb
·
2012-09-10 12:00
Rails
render
how to change the orgin remote
You're not in any danger of losing history
unless
you do some
villins
·
2012-09-09 22:00
git
Ant之条件判断
使用ant的if
unless
实现 <property name="destfilename" value="文件路径"/>
wangtaoenter
·
2012-08-22 19:00
ant
Perl 快排
如图为比较过程中的移动:代码:#递归 subqsort2{ return()
unless
@_; ( qsort(grep{$_=$_[0]}@_[1..$#_]) ); } #非递归 subqsort
USTBHacker
·
2012-07-18 12:00
ActiveRecord验证和回调3
阅读更多5有条件的验证有时要满意一些条件才进行数据验证,这就可以使用:if和:
unless
选项,并指定一个符号,字符串或者Proc对象给选项。
chen_miao
·
2012-07-17 18:00
activerecord
rails
ruby
ActiveRecord验证和回调3
5 有条件的验证有时要满意一些条件才进行数据验证,这就可以使用:if和:
unless
选项,并指定一个符号,字符串或者Proc对象给选项。
chen_miao
·
2012-07-17 18:00
Ruby
ActiveRecord
Rails
ActiveRecord验证和回调3
阅读更多5有条件的验证有时要满意一些条件才进行数据验证,这就可以使用:if和:
unless
选项,并指定一个符号,字符串或者Proc对象给选项。
chen_miao
·
2012-07-17 18:00
activerecord
rails
ruby
The different between var x =1 and x =1
Given this is declared in a function, x will not be available outside it,
unless
explicitly returned.
当时我就震惊了
·
2012-07-08 15:00
diff
ruby学习总结之-----条件判断
##########条件判断常用的3种:if、
unless
、case ###then可省略 if 条件1 then 语句1 elsif 条件2 then
rainy646556896
·
2012-07-05 22:00
Ruby
Ruby中的浮点数排序
45.01","56"] 数组=[] 排序数组.each{|i| 数组<
unless
UFO猎手
·
2012-06-12 13:00
Ruby中浮点数排序问题
NSIS逻辑函数头文件介绍
基本语句If|
Unless
..{ElseIf|ElseUnless}..[Else]..EndIf|EndUnless-有条件的执行一个语句区块,取决于表达式。
Mumoo
·
2012-05-15 09:00
perl exec管道和子进程
程序大概是这样的:
unless
(openFH,"-|"){ exec"foobar"; #用exec执行另一个程序 exit;}while(){ ...}closeFH;$ret=$?
zzz_781111
·
2012-05-14 11:00
command
null
Integer
perl
文档
output
NSIS 条件判断及循环语句的使用
include"LogicLib.nsh" 基本语句If|
Unless
..{ElseIf|ElseUnless}..
Mumoo
·
2012-05-14 10:00
UNIX File Permission
umask): Each user has a default set of permissions which apply to all files created by that user,
unless
sjmz30071360
·
2012-04-10 14:00
Permission
The Three Laws of TDD(测试驱动开发的三条原则)
You are not allowed to write any production code
unless
it is to make a failing unit test pass.
heipark
·
2012-04-10 11:00
TDD
ror技巧--空判断
user.name:nil 我们可以这么简化: module ObjectExtension def nil_or return self
unless
fireDragonpzy
·
2012-03-30 13:00
Rails
rails技巧
Java 读取硬盘Serial Number[转]
Motherboard serial numberTag(s): Varia When you need to know hardware details, Java is not the best tool
unless
seawavecau
·
2012-03-22 13:00
number
Perl学习笔记(7) --控制结构和目标操作
控制结构前面已经提到的控制结构有if{},if{}else{},while(){},foreach还有些其他的控制结构,比如
unless
(){}是if的反义词,在bool表达式为假的时候执行后面的语句块
freesum
·
2012-03-20 23:00
工作
list
File
perl
语言
initialization
PAT 1001. A+B Format (20)
the sum in standard format -- that is, the digits must be separated into groups of three by commas (
unless
wq611403
·
2012-03-12 10:00
format
ruby入门_
unless
unless
,即,除非,如果不相当于ifnotvar=true ifvar puts"if" end
unless
!var puts"
unless
==!if" end
aotian16
·
2012-02-23 16:00
Ruby 解析rss源
require"mysql2" require'logger' require'json' __DIR__=File.dirname(__FILE__) $LOAD_PATH.unshift__DIR__
unless
saint1126
·
2012-02-20 22:00
exception
rss
Ruby
Path
rubygems
encoding
ruby
unless
的使用
好吧 我蠢 到今天才搞懂这个问题 ruby
unless
表达式在条件为false才运行代码块,但其与条件"&& ||"逻辑组合使用一直没有搞懂
cxh116
·
2012-01-31 11:00
Ruby
ruby
unless
的使用
阅读更多好吧我蠢到今天才搞懂这个问题rubyunless表达式在条件为false才运行代码块,但其与条件"&&||"逻辑组合使用一直没有搞懂.到底是false&&false才运行
unless
的代码块,还是
cxh116
·
2012-01-31 11:00
ruby
Perl入门读书笔记
unless
除非条件为真,否则都执行以下代码。条件为真时执行else代码 until 条件为假时执行 裸块可为临时变量圈定使用范围。
jackyyang8
·
2011-12-25 21:00
perl
jquery.cookie API
Installation Include script *after* the jQuery library (
unless
you are packaging scripts somehow
wangli9li
·
2011-12-22 11:00
jquery
cookie
plugin
JVM 选择合适的GC算法
Selecting a Collector
Unless
your application has rather strict pause time requirements, first
lionbule
·
2011-12-19 15:00
jvm
GC
JVM 选择合适的GC算法
Selecting a Collector
Unless
your application has rather strict pause time requirements, first
lionbule
·
2011-12-19 15:00
jvm
GC
NSIS逻辑函数头文件介绍
基本语句If|
Unless
..{ElseIf|ElseUnless}..[Else]..EndIf|EndUnless-有条件的执行一个语句区块,取决于表达式。
ddjj_1980
·
2011-12-13 09:00
cmd
each
include
implement
Don't undertake a project
unless
you can implement it
·
2011-12-05 23:00
imp
rails 文件下载功能
ApplicationController def down_file send_file "public/files/"+params[:filename]
unless
clark1231
·
2011-12-01 14:00
Rails
ANT-build.xml命令详解
(4)
unless
表示当属性没有设置时才执行。(5)descripti
dj4307665
·
2011-11-17 16:31
构建脚本
perl程序——文件的base64编码解码程序(文件操作)
MIME::Base64; #@ARGV命令行参数数组 $op=@ARGV[0]; $filename=@ARGV[1]; #open打开文件 #具体可以参见Perl文件及目录操作
unless
anson_xu
·
2011-11-17 14:00
base64
解决Warninga session side..existed until PHP 4.2.3
Yourscriptpossiblyreliesonasessionside-effectwhichexisteduntilPHP4.2.3.Pleasebeadvisedthatthesessionextensiondoesnotconsiderglobalvariablesasasourceofdata,
unless
the_loong
·
2011-11-17 11:26
PHP
职场
休闲
Perl Mime模块
returned encoded string is broken into lines of no more than 76 characters each and it will end with $eol
unless
fangnoodles
·
2011-11-15 14:00
perl
VACUUM command in SQLite
There are several reasons an application might do this:
Unless
SQLite is running in "auto
laiyangdeli
·
2011-11-03 22:00
command
perl下载图片
"
unless
defined $content; my $logo = 'logo.gif'; open
zk1878
·
2011-11-02 12:00
perl
perl下载图片
"
unless
defined $content; my $logo = 'logo.gif'; open
zk1878
·
2011-11-02 12:00
perl
被忽略的link_to的兄弟们
但是我经常忽略掉它还有2个兄弟,一直放着不用一个叫link_to_if(condition,name,options={},html_options={},&block)另一个叫link_to_
unless
imxxb
·
2011-10-31 16:00
Rails
rails ajax jquery 应用
:url => object_url(resource)
unless
options.key? :url opti
xitong
·
2011-10-18 13:00
jquery
控制CEdit中文字输入格式(浮点类型)
; If this is a RICHEDIT control, the control will not // send this notification
unless
jacky_dai
·
2011-10-11 10:00
it
Terracotta tc-config.xml配置说明(这个真的是转的)
-- All content copyright Terracotta, Inc.,
unless
otherwise indicated. All rights reserved.
w800927
·
2011-10-10 14:00
terracotta
sed 学习记录
sed cyclically copies a line of input, less its terminating newline character, into a pattern space (
unless
watershitter
·
2011-10-09 23:00
sed
Oracle中 drop user 和 drop user cascade 的区别
Oracle Database does not drop users whose schemascontain objects
unless
you specify CASCADE or
unless
xujinyang
·
2011-09-28 12:00
ANT antcontrib使用
脚本用的比较的多,发现在ANT中使用条件判断有些麻烦,就查点资料,:(1)可以使用condition进行逻辑的判断,接受的属性是property,相当于boolean xx=true(或false),if,
unless
aa00aa00
·
2011-09-26 14:00
ant
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