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python's re: return True if string contains regex pattern
...similar case where I want to search for an exact string (xyz) and want to know which is a more efficient way to do this, should I use python's 'xyz' in given_text or use re.compile(r'xyz').search(given_text) ?
– bawejakunal
May 4 '16 at 9:01
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How to make an anchor tag refer to nothing?
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@eugene this question is 3 years old now, but IE used to make images disappear when surrounded by a link to a void function. Not sure when it was fixed, but it works in IE10, which is all I have installed. I personally now use <a href="javascript:;">
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Random color generator
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@Mohsen, FYI every now and then your code produces invalid 5 digit number
– rochal
Nov 5 '11 at 18:05
6
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CSS3 Rotate Animation
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2017: This is now very well supported and a preferred way to do non-infinite rotations. -webkit- prefix is no longer needed and can be safely removed. Browser support: caniuse.com/#search=transforms
– Alph.Dev
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How to disable back swipe gesture in UINavigationController on iOS 7
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I found a solution:
Objective-C:
if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {
self.navigationController.interactivePopGestureRecognizer.enabled = NO;
}
Swift 3+:
self.navigationController?.interactive...
How do I disable “missing docstring” warnings at a file-level in Pylint?
... at the beginning of it. Can i disable this somehow? I would like to be notified of a docstring is missing inside a class, function or method but it shouldn't be mandatory for a file to have a docstring.
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Have Grunt generate index.html for different setups
..../src/tmpl/index.html',
dest : '../<%= pkg.version %>/<%= now %>/<%= ver %>/index.html',
options : {
context : {
name : '<%= pkg.name %>',
version : '<%= pkg.version %>',
now : '<%= now %>...
Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...发现 ls 卡住了。
通过下面的命令可以看到 ls 卡在了 vfs_fstatat 调用上，它会给 FUSE 设备发送 getattr 请求，在等待回应。而 JuiceFS 客户端进程已经被我们停掉了，所以它就卡住了：
$ cat /proc/`pgrep ls`/stack
[<ffffffff813277c7>] request_w...
Detect if called through require or directly by command line
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@Kevin I don't know about doing this with require(), but you could maybe do it with either importing the file then running eval on it, or by running require('child_process').exec('node the_file.js')
– MalcolmOcean
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How to generate all permutations of a list?
...re using an older Python (<2.6) for some reason or are just curious to know how it works, here's one nice approach, taken from http://code.activestate.com/recipes/252178/:
def all_perms(elements):
if len(elements) <=1:
yield elements
else:
for perm in all_perms(elemen...