大约有 20,000 项符合查询结果(耗时:0.0396秒) [XML]

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django-debug-toolbar not showing up

...r should not load itself; it will always just load. Only leave that in for testing purposes, if you forget and launch with it, all your visitors will get to see your debug toolbar too. For explicit configuration, also see the official install docs here. EDIT(6/17/2015): Apparently the syntax for ...
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What is the difference between compare() and compareTo()?

...contexts: Comparable interface The equals method and == and != operators test for equality/inequality, but do not provide a way to test for relative values. Some classes (eg, String and other classes with a natural ordering) implement the Comparable<T> interface, which defines a compareTo() ...
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Get css top value as number not as string?

...h was based on M4N's answer). Using || 0 will convert Nan to 0 without the testing step. I've also provided float and int variations to suit the intended use: jQuery.fn.cssInt = function (prop) { return parseInt(this.css(prop), 10) || 0; }; jQuery.fn.cssFloat = function (prop) { return pa...
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Adding a directory to the PATH environment variable in Windows

...ou wish to add: function AddTo-Path{ param( [string]$Dir ) if( !(Test-Path $Dir) ){ Write-warning "Supplied directory was not found!" return } $PATH = [Environment]::GetEnvironmentVariable("PATH") if( $PATH -notlike "*"+$Dir+"*" ){ [Environment]::SetEnvi...
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Unable to load DLL 'SQLite.Interop.dll'

...now I'm late to the party but I had this issue right after I pulled down latest x86/x64 today (version 1.0.88.0). My local IIS in VS2012 runs 32bit by default and there's no easy way to switch to x64. My production server runs 64bit. Anyway I installed the NuGet package to a DLL project and I got t...
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Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?

...ompiler to compare any condition. Naively, with a while loop, it'd have to test true every iteration (obviously, not even the dumbest compiler would do that, but it's the principle that bothers me. It strikes me as overspecifying your code), while with a for(;;) you are literally saying "there is no...
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How can I use “sizeof” in a preprocessor macro?

... The macro does not work in GNU gcc (tested at version 4.8.4) (Linux). At the ((void)sizeof(... it errors with expected identifier or '(' before 'void' and expected ')' before 'sizeof'. But in principle size_t x = (sizeof(... instead does work as intended. Yo...
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Calculate MD5 checksum for a file

... I know that I am late to party but performed test before actually implement the solution. I did perform test against inbuilt MD5 class and also md5sum.exe. In my case inbuilt class took 13 second where md5sum.exe too around 16-18 seconds in every run. DateTime cur...
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INSERT INTO vs SELECT INTO

...fine my table using CREATE TABLE and then INSERT INTO Also, it's easier to test the SELECT statement by itself, without executing the insert. – Doug Chamberlain Aug 4 '11 at 20:51 ...
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Simplest way to check if key exists in object using CoffeeScript

... referring to keys, and in when referring to array values: val in arr will test whether val is in arr.) thejh's answer is correct if you want to ignore the object's prototype. Jimmy's answer is correct if you want to ignore keys with a null or undefined value. ...