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undefined reference to `WinMain@16'

... Building without that semi-documented flag one would have to more specifically tell the linker which subsystem value one desires, and some Windows API import libraries will then in general have to be specified explicitly: C:\test> gnuc x.cpp -Wl,-subsystem,windows C:\test> objdump -x a.exe...
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How do I sort an observable collection?

...the end of the sorted partition from the unsorted. Worst case O(n). Essentially a selection sort (See below for output). public static void Sort<T>(this ObservableCollection<T> collection) where T : IComparable<T>, IEquatable<T> { List<T> sorted = co...
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How to get name of exception that was caught in Python?

...n't want to catch particular exceptions known in advance. I want to catch all exceptions. – Rob Bednark Apr 27 '18 at 16:10 add a comment  |  ...
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How to set custom favicon in Express?

... In Express 4 Install the favicon middleware and then do: var favicon = require('serve-favicon'); app.use(favicon(__dirname + '/public/images/favicon.ico')); Or better, using the path module: app.use(favicon(path.join(__dirname,'public','ima...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

...t is both commutative and associative. This means the operation can be parallelized. This distinction is very important for Big Data / MPP / distributed computing, and the entire reason why reduce even exists. The collection can be chopped up and the reduce can operate on each chunk, then the red...
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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?

I just started using Qt and noticed that all the example class definitions have the macro Q_OBJECT as the first line. What is the purpose of this preprocessor macro? ...
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What's a correct and good way to implement __hash__()?

...be integers, and there aren't too many of them, I suppose you could potentially run slightly faster with some home-rolled hash, but it likely wouldn't be as well distributed. hash((self.attr_a, self.attr_b, self.attr_c)) is going to be surprisingly fast (and correct), as creation of small tuples is ...
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C++ multiline string literal

... const char *text2 = "Here, on the other hand, I've gone crazy \ and really let the literal span several lines, \ without bothering with quoting each line's \ content. This works, but you can't indent."; Again, note those backslashes at the end of each line, they must be immediately before the...
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ImportError in importing from sklearn: cannot import name check_build

... Worked for me after installing scipy. share | improve this answer | follow | ...
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How can I wait for a thread to finish with .NET?

I've never really used threading before in C# where I need to have two threads, as well as the main UI thread. Basically, I have the following. ...