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Measuring execution time of a function in C++

...ing for a function. This is because the CPU of your machine can be less or more used by other processes running on your computer, just as your mind can be more or less concentrated when you solve a math exercise. In the human mind, we can remember the solution of a math problem, but for a computer t...
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Is 'float a = 3.0;' a correct statement?

...value which is one tenth of someFloat, the expression someFloat * 0.1 will more accurate results than someFloat * 0.1f, while in many cases being cheaper than a floating-point division. For example, (float)(167772208.0f*0.1) will correctly round to 16777220 rather than 16777222. Some compilers may...
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Why do you program in assembly? [closed]

...mpilers tend to be pretty conservative and may not be aware of some of the more advanced features of your architecture. If you're willing to accept some error, you can usually do better than the compiler, and it's worth writing that little bit of code in assembly if you find that lots of time is sp...
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How do I make a Git commit in the past?

... of Git. Inserting a File Into a Multi-ref History If your repository is more complex (i.e. it has more than one ref (branches, tags, etc.)), then you will probably need to use git filter-branch. Before using git filter-branch, you should make a backup copy of your entire repository. A simple tar ...
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What is the difference between `new Object()` and object literal notation?

...as to what is happening, so using new Object(), you are really just typing more and (in theory, if not optimized out by the JavaScript engine) doing an unnecessary function call. These person = new Object() /*You should put a semicolon here too. It's not required, but it is good practice.*/ -o...
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how to release localhost from Error: listen EADDRINUSE

... Your npm start script might be more than one node program, or a node program that is ran in the background, or the program might have child processes who use that port. – fent May 12 '13 at 3:33 ...
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Is there a Boolean data type in Microsoft SQL Server like there is in MySQL? [duplicate]

...ossible value of the bit data type. Here are the relevant truth tables - More information on three valued logic- Example of three valued logic in SQL Server http://www.firstsql.com/idefend3.htm https://www.simple-talk.com/sql/learn-sql-server/sql-and-the-snare-of-three-valued-logic/ ...
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try/catch + using, right syntax

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Vim multiline editing like in sublimetext?

... visual selection back, and then move horizontally, perhaps with 2e. (The more lines, the more valuable gv is!) – joeytwiddle Jan 16 '15 at 23:30 ...
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How to dynamically build a JSON object with Python?

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