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Difference between freeze and seal

... Object.seal It prevents adding and/or removing properties from the sealed object; using delete will return false It makes every existing property non-configurable: they cannot be converted from 'data descriptors' to 'accessor descriptors' (and vice versa...
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Programmatically generate video or animated GIF in Python?

...ate a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will allow me to create either a video (AVI, MPG, e...
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Finding all possible permutations of a given string in python

I have a string. I want to generate all permutations from that string, by changing the order of characters in it. For example, say: ...
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Converting from a string to boolean in Python?

Does anyone know how to do convert from a string to a boolean in Python? I found this link . But it doesn't look like a proper way to do it. I.e. using built-in functionality, etc. ...
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The most accurate way to check JS object's type?

... The JavaScript specification gives exactly one proper way to determine the class of an object: Object.prototype.toString.call(t); http://bonsaiden.github.com/JavaScript-Garden/#types ...
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How to check the extension of a filename in a bash script?

I am writing a nightly build script in bash. Everything is fine and dandy except for one little snag: 9 Answers ...
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Include headers when using SELECT INTO OUTFILE?

Is it possible to include the headers somehow when using the MySQL INTO OUTFILE ? 18 Answers ...
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Why does printf not flush after the call unless a newline is in the format string?

...ush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time? ...
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What is the difference between == and equals() in Java?

... In general, the answer to your question is "yes", but... .equals(...) will only compare what it is written to compare, no more, no less. If a class does not override the equals method, then it defaults to the equals(Object o) method of the closest parent class that has ove...
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How to convert strings into integers in Python?

... int() is the Python standard built-in function to convert a string into an integer value. You call it with a string containing a number as the argument, and it returns the number converted to an integer: print (int("1") + 1) The above prints 2. If yo...