大约有 2,000 项符合查询结果(耗时:0.0198秒) [XML]

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What are the best JVM settings for Eclipse? [closed]

...g.eclipse.platform --launcher.defaultAction openFile -vm C:/Prog/Java/jdk1.6.0_21/jre/bin/server/jvm.dll -vmargs -Dosgi.requiredJavaVersion=1.6 -Declipse.p2.unsignedPolicy=allow -Xms128m -Xmx384m -Xss4m -XX:PermSize=128m -XX:MaxPermSize=384m -XX:CompileThreshold=5 -XX:MaxGCPauseMillis=10 -XX:MaxHeap...
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pandas GroupBy columns with NaN (missing) values

...': [4, np.NaN, 6, 4]}) >>> df a b 0 1 4.0 1 2 NaN 2 3 6.0 3 5 4.0 >>> df.groupby(['b']).sum() a b 4.0 6 6.0 3 >>> df.astype(str).groupby(['b']).sum() a b 4.0 15 6.0 3 nan 2 which shows that for group b=4.0, the corresponding value is 15 in...
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How to Detect if I'm Compiling Code with a particular Visual Studio version?

...9 version 16.1) MSVC++ 14.2 _MSC_VER == 1920 (Visual Studio 2019 version 16.0) MSVC++ 14.16 _MSC_VER == 1916 (Visual Studio 2017 version 15.9) MSVC++ 14.15 _MSC_VER == 1915 (Visual Studio 2017 version 15.8) MSVC++ 14.14 _MSC_VER == 1914 (Visual Studio 2017 version 15.7) MSVC++ 14.13 _MSC_VER == 191...
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C# convert int to string with padding zeros?

...4"); - short form format specifier $"{i:0000}"; - string interpolation (C# 6.0+) share | improve this answer | follow | ...
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《深入浅出MFC》高清第二(书签) - 文档下载 - 清泛网 - 专注C/C++及内核技术

...这是第二,后面没有续篇了,还停留在VC++5.0,现在都6.0很久了,不过确实是VC经典...这是一本讲述vc的经典书籍,对您一定会有很大的帮助的,这是第二,后面没有续篇了,还停留在VC++5.0,现在都6.0很久了,不过确实是VC经...
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A good solution for await in try/catch/finally?

... You should know that since C# 6.0, it's possible to use await in catch and finally blocks, so you could in fact do this: try { // Do something } catch (Exception ex) { await DoCleanupAsync(); throw; } The new C# 6.0 features, including the ...
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What browsers support HTML5 WebSocket API?

...de Hixie-75: Chrome 4.0 + 5.0 Safari 5.0.0 HyBi-00/Hixie-76: Chrome 6.0 - 13.0 Safari 5.0.2 + 5.1 iOS 4.2 + iOS 5 Firefox 4.0 - support for WebSockets disabled. To enable it see here. Opera 11 - with support disabled. To enable it see here. HyBi-07+: Chrome 14.0 Firefox 6.0 - prefixed: Moz...
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Proper way to initialize a C# dictionary with values?

... With C# 6.0, you can create a dictionary in following way: var dict = new Dictionary<string, int> { ["one"] = 1, ["two"] = 2, ["three"] = 3 }; It even works with custom types. ...
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is there a css hack for safari only NOT chrome?

... So, basically the code in the answer works for Safari 5.0 and 6.0 and not 6.1+? – Nic Cottrell Oct 15 '14 at 13:26 ...
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How to convert List to List?

... Great thanks! Version for C# 6.0 below stackoverflow.com/a/48712010/2340825 – BA TabNabber Feb 9 '18 at 18:30 add a comment ...