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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
I've long been under the impression that goto should never be used if possible. While perusing libavcodec (which is written in C) the other day, I noticed multiple uses of it. Is it ever advantageous to use goto in a language that supports loops and functions? If so, why?
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Using sed and grep/egrep to search and replace
I am using egrep -R followed by a regular expression containing about 10 unions, so like:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
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Why does javascript replace only first instance when using replace? [duplicate]
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You need to set the g flag to replace globally:
date.replace(new RegExp("/", "g"), '')
// or
date.replace(/\//g, '')
Otherwise only the first occurrence will be replaced.
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Escape string for use in Javascript regex [duplicate]
I am trying to build a javascript regex based on user input:
1 Answer
1
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js实现ReplaceAll全部替换 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表可以达成Replace 的效果。正则表达式：
str.replace(/word/g,"newWord")
g 的意义是：执行全局匹配（查找所有匹配而非在找到第一个匹配后停止）。
以上写法有个类同的写法：
str.replace(new RegExp("word","gm"),"newWord")
g 执行全局匹配...
Node package ( Grunt ) installed but not available
I'm trying to build a github jquery-ui library using grunt , but after running npm install I still can't run the command according to the readme file . It just gives No command 'grunt' found :
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How to run a single test with Mocha?
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Try using mocha's --grep option:
-g, --grep <pattern> only run tests matching <pattern>
You can use any valid JavaScript regex as <pattern>. For instance, if we have test/mytest.js:
it('logs a', ...
vim, switching between files rapidly using vanilla Vim (no plugins)
I understand that limiting myself to vanilla Vim (not using plugins) limits the power of the editor, but as I switch between different machines frequently, it is often too much trouble to move my environment around everywhere. I want to just stay in vanilla Vim.
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how do I strip white space when grabbing text with jQuery?
I'm wanting to use jQuery to wrap a mailto: anchor around an email address, but it's also grabbing the whitepace that the CMS is generating.
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Convert an image to grayscale in HTML/CSS
Is there a simple way to display a color bitmap in grayscale with just HTML/CSS ?
25 Answers
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