大约有 30,000 项符合查询结果(耗时:0.0237秒) [XML]

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What is the use of static constructors?

...uration data into readonly fields, etc. It is run automatically by the runtime the first time it is needed (the exact rules there are complicated (see "beforefieldinit"), and changed subtly between CLR2 and CLR4). Unless you abuse reflection, it is guaranteed to run at most once (even if two thread...
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How do I access named capturing groups in a .NET Regex?

I'm having a hard time finding a good resource that explains how to use Named Capturing Groups in C#. This is the code that I have so far: ...
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Quicksort vs heapsort

... typically somewhat slower than quicksort, but the worst-case running time is always Θ(nlogn). Quicksort is usually faster, though there remains the chance of worst case performance except in the introsort variant, which switches to heapsort when a bad case is detected. If it is know...
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Check if a file exists with wildcard in shell script [duplicate]

...nally and exit as soon as at it finds one matching file, rather than waste time processing a potentially huge list of them expanded by the shell; this also avoids the risk that the shell might overflow its command line buffer. if test -n "$(find /dir/to/search -maxdepth 1 -name 'files*' -print -qui...
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Get the index of the nth occurrence of a string?

...olutions are suboptimal, because then I have to relearn regexs for the nth time. The code is essentially more difficult to read when regexes are used. – Mark Rogers May 28 '15 at 17:27 ...
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What is a 'multi-part identifier' and why can't it be bound?

... Day saver comment for newcomers: just check out your typo, sometimes it occurs when you are missing a little piece. In my issue, it was OBJECT_ID(Schema.Table) without any quotes in a 50+ lines query. – Abdullah Ilgaz May 17 at 16:51 ...
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Why is there no SortedList in Java?

...uldn't have to do this. You can write your own List class that sorts each time you add a new element. This can get rather computation heavy depending on your implementation and is pointless, unless you want to do it as an exercise, because of two main reasons: It breaks the contract that List&lt...
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How can I count all the lines of code in a directory recursively?

...than one number when there are many files (because wc will be run multiple times. Also doesn't handle many special file names. – l0b0 Apr 23 '13 at 11:56 ...
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ASP.Net error: “The type 'foo' exists in both ”temp1.dll“ and ”temp2.dll"

When running a web application project, at seemingly random times a page may fail with a CS0433 error: type exists in multiple DLL's. The DLL's are all generated DLL's residing in the "Temporary ASP.NET Files" directory. ...
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HTTP authentication logout via PHP

...ce (or even working! see comments) solution): Disable his credentials one time. You can move your HTTP authentication logic to PHP by sending the appropriate headers (if not logged in): Header('WWW-Authenticate: Basic realm="protected area"'); Header('HTTP/1.0 401 Unauthorized'); And parsing th...