大约有 2,700 项符合查询结果(耗时:0.0213秒) [XML]

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Regex, every non-alphanumeric character except white space or colon

... Try this: [^a-zA-Z0-9 :] JavaScript example: "!@#$%* ABC def:123".replace(/[^a-zA-Z0-9 :]/g, ".") See a online example: http://jsfiddle.net/vhMy8/ share | improve this answer ...
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How can I list all collections in the MongoDB shell?

... AdaTheDevAdaTheDev 123k2424 gold badges179179 silver badges181181 bronze badges ...
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Adding header for HttpURLConnection

...on.setConnectTimeout(60 * 1000); String authorization="xyz:xyz$123"; String encodedAuth="Basic "+Base64.encode(authorization.getBytes()); connection.setRequestProperty("Authorization", encodedAuth); int responseCode = connection.getResponseCode(); ...
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Class 'DOMDocument' not found

...om in Configure Command, what should i do next? – ws_123 Jan 18 '13 at 9:38 That depends on your system. Worst case yo...
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How to fix “ImportError: No module named …” error in Python?

... 123 Python does not add the current directory to sys.path, but rather the directory that the scrip...
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What is the reason for having '//' in Python? [duplicate]

...edited Feb 20 '15 at 6:52 Rizier123 55k1616 gold badges7777 silver badges119119 bronze badges answered Feb 20 '15 at 6:35 ...
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C# Double - ToString() formatting with two decimal places but no rounding

... I suggest you truncate first, and then format: double a = 123.4567; double aTruncated = Math.Truncate(a * 100) / 100; CultureInfo ci = new CultureInfo("de-DE"); string s = string.Format(ci, "{0:0.00}%", aTruncated); Use the constant 100 for 2 digits truncate; use a 1 followed by a...
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NoSQL Use Case Scenarios or WHEN to use NoSQL [closed]

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In MySQL, how to copy the content of one table to another table within the same database?

...edited Feb 20 '15 at 7:23 Rizier123 55k1616 gold badges7777 silver badges
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Fast permutation -> number -> permutation mapping algorithms

I have n elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements. ...