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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!
...
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...
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 ...
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...
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...
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.
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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...
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
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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...
