大约有 16,300 项符合查询结果(耗时:0.0253秒) [XML]

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How to convert an Int to a String of a given length with leading zeros to align?

How can I convert an Int to a 7-character long String , so that 123 is turned into "0000123" ? 7 Answers ...
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How do C++ class members get initialized if I don't do it explicitly?

Suppose I have a class with private memebers ptr , name , pname , rname , crname and age . What happens if I don't initialize them myself? Here is an example: ...
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

Should I test if something is valid or just try to do it and catch the exception? 8 Answers ...
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Launching Google Maps Directions via an intent on Android

My app needs to show Google Maps directions from A to B, but I don't want to put the Google Maps into my application - instead, I want to launch it using an Intent. Is this possible? If yes, how? ...
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How to create a numpy array of all True or all False?

In Python, how do I create a numpy array of arbitrary shape filled with all True or all False? 7 Answers ...
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How can I use PowerShell with the Visual Studio Command Prompt?

I've been using Beta 2 for a while now and it's been driving me nuts that I have to punt to cmd.exe when running the VS2010 Command Prompt. I used to have a nice vsvars2008.ps1 script for Visual Studio 2008. Anyone have a vsvars2010.ps1 or something similar? ...
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How to “inverse match” with regex?

I'm using RegexBuddy but I'm in trouble anyway with this thing :\ 9 Answers 9 ...
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difference between width auto and width 100 percent

Previously my assumption about width: auto was that the width is set to that of the contents. Now I see that it takes the full width of the parent. ...
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Getting All Variables In Scope

Is there a way to get all variables that are currently in scope in javascript? 10 Answers ...
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Regex (grep) for multi-line search needed [duplicate]

I'm running a grep to find any *.sql file that has the word select followed by the word customerName followed by the word from . This select statement can span many lines and can contain tabs and newlines. ...