大约有 35,100 项符合查询结果（耗时：0.0350秒） [XML]
C# DateTime.Now precision
... you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond increments.
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Remove the string on the beginning of an URL
... edited Aug 5 '16 at 16:08
Mike
85855 gold badges2121 silver badges2828 bronze badges
answered Mar 29 '12 at 15:37
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Get full path of the files in PowerShell
...ing with that afterwards, you might have to pipe it into a foreach loop, like so:
get-childitem "C:\windows\System32" -recurse | where {$_.extension -eq ".txt"} | % {
Write-Host $_.FullName
}
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Ways to eliminate switch in code [closed]
... switch (typeof(animal)) {
case "dog":
echo animal.bark();
break;
case "cat":
echo animal.meow();
break;
}
}
becomes this:
foreach (var animal in zoo) {
echo animal.speak();
}
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What is the purpose of fork()?
In many programs and man pages of Linux, I have seen code using fork() . Why do we need to use fork() and what is its purpose?
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Go to beginning of line without opening new line in VI
... move to the beginning of a line.
^ moves the cursor to the first non-blank character of a line
0 always moves the cursor to the "first column"
You can also use Shifti to move and switch to Insert mode.
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How can I perform a reverse string search in Excel without using VBA?
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This one is tested and does work (based on Brad's original post):
=RIGHT(A1,LEN(A1)-FIND("|",SUBSTITUTE(A1," ","|",
LEN(A1)-LEN(SUBSTITUTE(A1," ","")))))
If your original strings could contain a pipe "|" character, then replace both in the above wi...
C# “as” cast vs classic cast [duplicate]
...eption is thrown. With the as method, it results in null, which can be checked for, and avoid an exception being thrown.
Also, you can only use as with reference types, so if you are typecasting to a value type, you must still use the "classic" method.
Note:
The as method can only be used for typ...
Styling multi-line conditions in 'if' statements? [closed]
Sometimes I break long conditions in if s onto several lines. The most obvious way to do this is:
30 Answers
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SQL Server: Database stuck in “Restoring” state
I backed up a database:
25 Answers
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