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How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
...runt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question.
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iPad Safari scrolling causes HTML elements to disappear and reappear with a delay
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15 Answers
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Ruby on Rails console is hanging when loading
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edited Sep 7 '19 at 11:45
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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JavaScript seconds to time string with format hh:mm:ss
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Is there a standard naming convention for git tags? [closed]
I've seen a lot of projects using v1.2.3 as the naming convention for tags in git. I've also seen some use 1.2.3 . Is there an officially endorsed style, or are there any good arguments for using either?
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Hex representation of a color with alpha channel?
...255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1.
In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 digit hex colour (see CSS Level 4 spec*)
As of May 2019, >80% of users c...
Should I use multiplication or division?
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Python:
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 / 2.0'
real 0m26.676s
user 0m25.154s
sys 0m0.076s
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 * 0.5'
real 0m17.932s
user 0m16.481s
sys 0m0.048s
multiplication i...
Python: using a recursive algorithm as a generator
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def getPermutations(string, prefix=""):
if len(string) == 1:
yield prefix + string...
JS文字卷动效果的调用函数：startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术
...隔越大，滚动速度越慢；
if(!p){ o.scrollTop += 1;}
//滚动停止或开始，取决于p传来的布尔值；
}
function scrolling(){
if(o.scrollTop%lh!=0){
//如果不被整除，即一次上移的高度达不到lh，则内容会继续...
drag drop files into standard html file input
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