大约有 24,000 项符合查询结果(耗时:0.0358秒) [XML]

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Advantage of switch over if-else statement

... This immediate-constant bitmap is a big win, because there's no cache miss on the bitmap. It works if the "special" error codes are all in a range 64 or less. (or 32 for legacy 32bit code.) The compiler subtracts the smallest case value, if it's non-zero. The t...
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Persistent invalid graphics state error when using ggplot2

...iously. Take the below console output for example. The figure margins (the window that displays your plots) were too small to display the pairs(MinusInner) plot. Then when I tried to make the next qplot, R was still hung up on previous error. pairs(MinusInner) Error in plot.new() : figure mar...
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Convert an image to grayscale in HTML/CSS

... Following on from brillout.com's answer, and also Roman Nurik's answer, and relaxing somewhat the the 'no SVG' requirement, you can desaturate images in Firefox using only a single SVG file and some CSS. Your SVG file will look l...
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error opening HPROF file: IOException: Unknown HPROF Version

I am getting the following exception when trying to open HPROF file (created by Debug.dumpHprofData ) with Memory Analyzer: ...
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Can't compile project when I'm using Lombok under IntelliJ IDEA

... I had to stop my Win10 for a freeze issue (pilot crash) and IntelliJ was opened. At restart, I guess idea files in my project directory has been altered (workspace.xml) and after that I couldn't generate my getters/setters methods via lombok....
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How can I sort a List alphabetically?

...every moment. So much information in a short declaration. Real performance win in some cases. If you use a List, and insert values very often, and the list may be read between those insertions, then you have to sort the list after every insertion. The set does the same, but does it much faster. Us...
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How can I catch a ctrl-c event?

... These functions are not available on Windows. – Timmmm May 29 '17 at 12:32 2 ...
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Open a file with Notepad in C#

... The second approach is probably a better practice as this will cause the windows Shell to open up your file with it's associated editor. Additionally, if the file specified does not have an association, it'll use the Open With... dialog from windows. Note to those in the comments, thankyou for yo...
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Easy way to concatenate two byte arrays

...sure, optimize it. Otherwise, readability and maintainability might be the winning considerations. – vikingsteve Dec 6 '13 at 15:35 5 ...
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How to use GNU Make on Windows?

...and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command. ...