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Find the files existing in one directory but not in the other [closed]

...ted Apr 26 '16 at 12:41 Talespin_Kit 16.6k2222 gold badges8282 silver badges115115 bronze badges answered May 28 '13 at 9:30 ...
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Environment variables for java installation

...ironment variables (== environment variables of type user variables) JAVA_HOME : C:\Program Files\Java\jdk1.8.0_112 JDK_HOME : %JAVA_HOME% JRE_HOME : %JAVA_HOME%\jre CLASSPATH : .;%JAVA_HOME%\lib;%JAVA_HOME%\jre\lib PATH : your-unique-entries;%JAVA_HOME%\bin (make sure that the longish your...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. ...
https://www.tsingfun.com/it/cpp/1873.html 

MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...现在我们需要添加相应的英文的资源文件。 为主窗口IDD_MULTILANGUAGES添加英文资源的方法为: (1) 打开Resource View窗口。 (2) 右键IDD_MULTILANGUAGES,点击弹出菜单中的“Insert Copy”菜单,如下图所示。 (3) 弹...
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Avoid browser popup blockers

...create a blank popup on user action var importantStuff = window.open('', '_blank'); Optional: add some "waiting" info message. Examples: a) An external HTML page: replace the above line with var importantStuff = window.open('http://example.com/waiting.html', '_blank'); b) Text: add the follow...
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How to implement a rule engine?

...; // use a method call, e.g. 'Contains' -> 'u.Tags.Contains(some_tag)' return Expression.Call(left, method, right); } } Note that I used 'GreaterThan' instead of 'greater_than' etc. - this is because 'GreaterThan' is the .NET name for the operator, therefore we don't need any...
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New Array from Index Range Swift

...gt; but is of type ArraySlice<Int>. That's because Array's subscript(_:​) returns an ArraySlice<Element> that, according to Apple, presents a view onto the storage of some larger array. Besides, Swift also provides Array an initializer called init(_:​) that allows us to create a new...
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How to configure Git post commit hook

...the git notes 'build' (git show refs/notes/build): git diff --name-only SHA_build HEAD. your script can parse that list and decide if it needs to go on with the build. in any case, create/move your git notes 'build' to HEAD. May 2016: cwhsu points out in the comments the following possible url...
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How do I catch a numpy warning like it's an exception (not just for testing)?

...gt;>> import numpy as np >>> np.array([1])/0 #'warn' mode __main__:1: RuntimeWarning: divide by zero encountered in divide array([0]) >>> np.seterr(all='print') {'over': 'warn', 'divide': 'warn', 'invalid': 'warn', 'under': 'ignore'} >>> np.array([1])/0 #'print' ...
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Is there an exponent operator in C#?

...h.Pow() is not an operator an thus has not the same usages as an operator ._. – Alexandre Daubricourt Dec 30 '18 at 13:35 add a comment  |  ...