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How can you do anything useful without mutable state?

...il = tl; } } class Program { static void Main(string[] args) { Stack<int> x = Stack.Cons(1, Stack.Cons(2, Stack.Cons(3, Stack.Cons(4, null)))); Stack<int> y = Stack.Cons(5, Stack.Cons(6, Stack.Cons(7, Stack.Cons(8, null)))); ...
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echo that outputs to stderr

... FYI: if you want to format or do anything besides simply echo the string then you'll have to move the redirect back to the end. For example errcho(){ >&2 echo $@|pr -To5;} won't work. To do something like that you'll have to put the redirect somewhere after the last pipe like: errc...
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How to compare two Dates without the time portion?

... I don't think that would work, even if converting to Strings was a good idea. The == operator doesn't necessarily return true for equivalent Strings (use equals()). You certainly can't use the other comparison operators you mentioned, either. – harto ...
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How to go back to previous opened file in Vim? [duplicate]

...ve gone deep down the hierarchy of files by typing multiple gf, vim stores all the files in numbered buffers Then following command will take you to the nth file in a buffer. (n = 1,2,3,..) :e#n share | ...
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Android SDK Manager Not Installing Components

Not sure what I'm doing wrong here. I installed the Android SDK Manager, and am now trying to install a platform like the Android Dev website suggests. Once I clicked install I got an error stating that the Manager could not create a temp folder within the Android directory. So I created it. Now I'm...
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java.net.MalformedURLException: no protocol

...i/javax/xml/parsers/DocumentBuilder.html The method DocumentBuilder.parse(String) takes a URI and tries to open it. If you want to directly give the content, you have to give it an InputStream or Reader, for example a StringReader. ... Welcome to the Java standard levels of indirections ! Basicall...
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Linq: adding conditions to the where clause conditionally

... getting this error LINQ to Entities does not recognize the method 'System.String get_Item(System.String)' method, and this method cannot be translated into a store expression. – Ali Umair Jun 1 '16 at 14:40 ...
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How do I provide JVM arguments to VisualVM?

...alVM often tells me that it doesn't have enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I provide JVM arguments to jvisualvm.exe? ...
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ListCtrl 重绘(Custom Draw) - C/C++ - 清泛网 - 专注C/C++及内核技术

... color we set here. // We'll cycle the colors through red, green, and light blue. COLORREF crText; if ( (pLVCD->nmcd.dwItemSpec % 3) == 0 ) crText = RGB(255,0,0); else if ( (pLVCD->nmcd.dwItemSpec % 3) == 1 ) crText = RGB(0,255,0); ...
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Is it possible to have different Git configuration for different projects?

.gitconfig is usually stored in the user.home directory. 12 Answers 12 ...