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IllegalMonitorStateException on wait() call

...ency packages instead of the old school threading packages. They are safer and way easier to work with. Happy coding. EDIT I assumed you meant Object.wait() as your exception is what happens when you try to gain access without holding the objects lock. ...
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How to copy DLL files into the same folder as the executable using CMake?

... I'd use add_custom_command to achieve this along with cmake -E copy_if_different.... For full info run cmake --help-command add_custom_command cmake -E So in your case, if you have the following directory structure: /CMakeLists.txt /src /lib...
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What's the best free C++ profiler for Windows? [closed]

...ind the bottleneck in my C++ code. I'd like to find a free, non-intrusive, and good profiling tool. I'm a game developer, and I use PIX for Xbox 360 and found it very good, but it's not free. I know the Intel VTune , but it's not free either. ...
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What is null in Java?

...ceof operator is true if the value of the RelationalExpression is not null and the reference could be cast to the ReferenceType without raising a ClassCastException. Otherwise the result is false. This means that for any type E and R, for any E o, where o == null, o instanceof R is always false. ...
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Analyze audio using Fast Fourier Transform

...you need to calculate the square root of the sum of the square of its real and imaginary components. That is, if your coefficient is a + b*j, then its magnitude is sqrt(a^2 + b^2). Once you have calculated the magnitude of each FFT coefficient, you need to figure out which audio frequency each FFT ...
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How to edit a node module installed via npm?

...to the source. If the changes affect functionality of the overall module, and may be useful to others, you may want to contribute to the original source on github and look for the change to be implemented. If this is proprietary functionality that is needed, and would not help the development of t...
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Multidimensional Array [][] vs [,] [duplicate]

... One is an array of arrays, and one is a 2d array. The former can be jagged, the latter is uniform. That is, a double[][] can validly be: double[][] x = new double[5][]; x[0] = new double[10]; x[1] = new double[5]; x[2] = new double[3]; x[3] = new d...
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Quick Sort Vs Merge Sort [duplicate]

...e its inner loop can be efficiently implemented on most architectures, and in most real-world data, it is possible to make design choices which minimize the probability of requiring quadratic time. Note that the very low memory requirement is a big plus as well. ...
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How to manually send HTTP POST requests from Firefox or Chrome browser?

... documenting our own API here. Postman now also has native apps (i.e. standalone) for Windows, Mac and Linux! It is more preferable now to use native apps, read more here. share | improve this an...
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How to calculate a Mod b in Casio fx-991ES calculator

...ect ab/c (number 1). Now do your calculation (in comp mode), like 50 / 3 and you will see 16 2/3, thus, mod is 2. Or try 54 / 7 which is 7 5/7 (mod is 5). If you don't see any fraction then the mod is 0 like 50 / 5 = 10 (mod is 0). The remainder fraction is shown in reduced form, so 60 / 8 will r...