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Can linux cat command be used for writing text to file?
...ing in single quotes. This is useful for .json and the likes, e.g. echo '{"info1": "123456"}' > info.json
– bkd
Nov 22 '18 at 14:11
...
Why does this async action hang?
...xample:
public Foo GetFooSynchronous()
{
var foo = new Foo();
foo.Info = GetInfoAsync.Result; // often deadlocks in ASP.NET
return foo;
}
private async Task<string> GetInfoAsync()
{
return await ExternalLibraryStringAsync().ConfigureAwait(false);
}
The issue actually lay ...
What are Unwind segues for and how do you use them?
...
Thanks for this info, I was looking for this.
– Madhu
Mar 11 '16 at 17:22
2
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When and why I should use session_regenerate_id()?
...eplace the current session ID with a new one, and keep the current session information.
What does it do?
It mainly helps prevent session fixation attacks. Session fixation attacks is where a malicious user tries to exploit the vulnerability in a system to fixate (set) the session ID (SID) of another...
CSS \9 in width property
...9, while in all other browsers, #myElement would be 300 pixels wide.
More info
EDIT:
This answer was written in 2011. It should now be noted that this hack also works in IE 10.
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Extract a regular expression match
...ng:
> test
[1] 4
attr(,"match.length")
[1] 5
So you can use that info with substr function
substr("aaa12456xxx",test,test+attr(test,"match.length")-1)
I'm sure there is a more elegant way to do this, but this was the fastest way I could find. Alternatively, you can use sub/gsub to strip...
Does “\d” in regex mean a digit?
...
Info regarding .NET / C#:
Decimal digit character: \d
\d matches any decimal digit. It is equivalent to the \p{Nd} regular expression pattern, which includes the standard decimal digits 0-9 as well as the decimal digit...
Sequence contains no elements?
...
.FirstOrDefault()
because if in the first row of the result there is no info this instruction goes to the default info.
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WinDbg基础资料（日本語） - IT优秀资料 - 清泛网 - 专注C/C++及内核技术
...Build
C++の場合
Project Properties
① C/C++ --> General-->Debug Information Format : Program Database (/Zi)
※--> Optimization --> Optimization : Disabled (/Od)
② Linker --> Debugging -->Generate Debug Info : Yes (/DEBUG)
...
List of Stored Procedures/Functions Mysql Command Line
...ow does not work as help is a mysql command line instruction. To get more info about the SHOW command, go straight to MySQL documentation page at: dev.mysql.com/doc/refman/5.1/en/show.html
– IvanD
Apr 29 '13 at 3:04
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