大约有 15,461 项符合查询结果(耗时:0.0232秒) [XML]

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Why do we check up to the square root of a prime number to determine if it is prime?

To test whether a number is prime or not, why do we have to test whether it is divisible only up to the square root of that number? ...
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Detect if value is number in MySQL

... If your data is 'test', 'test0', 'test1111', '111test', '111' To select all records where the data is a simple int: SELECT * FROM myTable WHERE col1 REGEXP '^[0-9]+$'; Result: '111' (In regex, ^ means begin, and $ means end) To select...
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How to print a dictionary line by line in Python?

...m including it here in case it can be of value to another. In running nosetest, I also found it helpful to be able to specify the output stream in the call so that sys.stderr could be used instead. import sys def dump(obj, nested_level=0, output=sys.stdout): spacing = ' ' if isinstance(...
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How to list only the file names that changed between two commits?

...ff --name-only HEAD~10 HEAD~5 to see the differences between the tenth latest commit and the fifth latest (or so). share | improve this answer | follow | ...
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How do I wait for an asynchronously dispatched block to finish?

I am testing some code that does asynchronous processing using Grand Central Dispatch. The testing code looks like this: 13...
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ExpressJS How to structure an application?

....js application. focusaurus/express_code_structure is the repo with the latest code for this. Pull requests welcome. Here's a snapshot of the README since stackoverflow doesn't like just-a-link answers. I'll make some updates as this is a new project that I'll continue updating, but ultimately the...
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How to implement if-else statement in XSLT?

...g <xsl:choose> tag: <xsl:choose> <xsl:when test="$CreatedDate > $IDAppendedDate"> <h2> mooooooooooooo </h2> </xsl:when> <xsl:otherwise> <h2> dooooooooooooo </h2> </xsl:otherwi...
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LIKE vs CONTAINS on SQL Server

...The CONTAINS query should be: SELECT * FROM table WHERE CONTAINS(Column, 'test'); share | improve this answer | follow | ...
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Testing the type of a DOM element in JavaScript

Is there a way to test the type of an element in JavaScript? 7 Answers 7 ...
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?

... 31): Build fingerprint: 'generic/google_sdk/generic/:2.2/FRF91/43546:eng/test-keys' I/DEBUG ( 31): pid: 351, tid: 351 %gt;%gt;%gt; /data/local/ndk-tests/crasher <<< I/DEBUG ( 31): signal 11 (SIGSEGV), fault addr 0d9f00d8 I/DEBUG ( 31): r0 0000af88 r1 0000a008 r2 baad...