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What does $$ mean in the shell?
...e mktemp option -t is now deprecated (I think because of problems with the char -). Use mktemp ${tempfoo}.XXXXXX these days. I take the liberty to update your post.
– Sebastian
Jan 10 '14 at 11:44
...
Display two files side by side
....txt does a better job than paste one.txt two.txt and removing diffs extra chars that are displayed with sed is trivial comparing with writing/remembering an awk script. Even with both as functions in .bash_rc longer != better, more readable, faster.. what is the advantage here?
...
Swift - encode URL
.../test"
let escapedString = originalString.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed)
print(escapedString!)
Output:
test%2Ftest
Swift 1
In iOS 7 and above there is stringByAddingPercentEncodingWithAllowedCharacters
var originalString = "test/test"
var escapedString = orig...
How to find encoding of a file via script on Linux?
...ill output MIME-type information for the file, which will also include the character-set encoding. I found a man-page for it, too :)
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How to obtain the query string from the current URL with JavaScript?
...ix it tho: replace checks the whole(!) string. we need to remove the first char. removing unnecessary loops. Result: window.location.search window.location.search.substr(1) .split("&") .reduce((acc, param) => { const [key, value] = param.split("="); return { ...
Best way to test if a row exists in a MySQL table
...
You could also try EXISTS:
SELECT EXISTS(SELECT * FROM table1 WHERE ...)
and per the documentation, you can SELECT anything.
Traditionally, an EXISTS subquery starts with SELECT *, but it could
begin with SELECT 5 or SELECT column1 or anything ...
Check if a Windows service exists and delete in PowerShell
...ove-WmiObject -InputObject $s3
Remove-WmiObject : Access denied
At line:1 char:1
+ Remove-WmiObject -InputObject $s3
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [Remove-WmiObject], ManagementException
+ FullyQualifiedErrorId : RemoveWMIManagementExcep...
How do I best silence a warning about unused variables?
...tion is more convenient, although less cleaner.
– cbuchart
Jul 17 '14 at 6:57
I think simpler is better, commenting ou...
Convert String to SecureString
...d kept there in plaintext until garbage collection). However, you can add characters to a SecureString by appending them.
var s = new SecureString();
s.AppendChar('d');
s.AppendChar('u');
s.AppendChar('m');
s.AppendChar('b');
s.AppendChar('p');
s.AppendChar('a');
s.AppendChar('s');
s.AppendChar('s...
ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...来进行匹配了，Match方法的原型如下：
BOOL Match(const RECHAR *szIn, CAtlREMatchContext *pContext, const RECHAR **ppszEnd=NULL)
参数的含义很明显，不过需要注意到第一个参数的型别是：const RECHAR * szIN，是一个 const指针，这表明我们可以方...