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Determine distance from the top of a div to top of window with javascript

...the very top of a div to the top of the current screen? I just want the pixel distance to the top of the current screen, not the top of the document. I've tried a few things like .offset() and .offsetHeight , but I just can't wrap my brain around it. Thanks! ...
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How do you Encrypt and Decrypt a PHP String?

... The order of encryption and authentication is very important! One of the existing answers to this question made this mistake; as do many cryptography libraries written in PHP. You should avoid implementing your own cryptography, and instead use a secure library written by and reviewed by cryptograp...
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character showing up in files. How to remove them?

... perl -pi~ -CSD -e 's/^\x{fffe}//' file1.js path/to/file2.js I would assume the tool will break if you have other utf-8 in your files, but if not, perhaps this workaround can help you. (Untested ...) Edit: added the -CSD option, as per tchrist's ...
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Is there a generator version of `string.split()` in Python?

... uses fairly minimal memory overhead. def split_iter(string): return (x.group(0) for x in re.finditer(r"[A-Za-z']+", string)) Demo: >>> list( split_iter("A programmer's RegEx test.") ) ['A', "programmer's", 'RegEx', 'test'] edit: I have just confirmed that this takes constant memo...
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Printing object properties in Powershell

... My solution to this problem was to use the $() sub-expression block. Add-Type -Language CSharp @" public class Thing{ public string Name; } "@; $x = New-Object Thing $x.Name = "Bill" Write-Output "My name is $($x.Name)" Write-Output "This won't work right: $x.Name" G...
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Creating a constant Dictionary in C#

...urn 0; case "dog": return 1; case "elephant": return 3; } This is exactly what you want. And yes, I know, it's ugly. share | improve this answer | follow ...
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Regular expression to get a string between two strings in Javascript

I have found very similar posts, but I can't quite get my regular expression right here. 11 Answers ...
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Nginx缓存解决方案:SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术

Nginx缓存解决方案:SRCache前些天帮别人优化PHP程序,搞得灰头土脸,最后黔驴技穷开启了FastCGI Cache,算是勉强应付过去了吧。不过FastCGI Cache不支持分布式缓存...前些天帮别人优化PHP程序,搞得灰头土脸,最后黔驴技穷开启了Fast...
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How to declare array of zeros in python (or an array of a certain size) [duplicate]

...sts. Which leads to the List of lists changes reflected across sublists unexpectedly problem share | improve this answer | follow | ...
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Get type of all variables

...the value rather than the character name of the object as returned by ls: x <- 1L typeof(ls()) [1] "character" typeof(get(ls())) [1] "integer" Alternatively, for the problem as presented you might want to use eapply: eapply(.GlobalEnv,typeof) $x [1] "integer" $a [1] "double" $b [1] "charact...