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Difference between string and char[] types in C++
...text's length, the array has to be scanned, character by character, for a \0 character.
A string is a class that contains a char array, but automatically manages it for you. Most string implementations have a built-in array of 16 characters (so short strings don't fragment the heap) and use the he...
sed beginner: changing all occurrences in a folder
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edited May 25 '09 at 3:13
answered May 25 '09 at 2:51
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How to 'bulk update' with Django?
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260
Update:
Django 2.2 version now has a bulk_update.
Old answer:
Refer to the following django d...
Understanding what 'type' keyword does in Scala
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answered Oct 21 '13 at 11:05
Roland EwaldRoland Ewald
4,40033 gold badges3131 silver badges4444 bronze badges
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What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
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edited Feb 21 '13 at 8:03
answered Sep 2 '11 at 8:58
Fab...
Coroutine vs Continuation vs Generator
...Do some more funky stuff
my_coro = make_coroutine(my_coroutine_body)
x = 0
while True:
# The coroutine does some funky stuff to x, and returns a new value.
x = my_coro(x)
print x
An example of where coroutines are used is lexers and parsers. Without coroutines in the language or emulate...
What does the Ellipsis object do?
... object that can appear in slice notation. For example:
myList[1:2, ..., 0]
Its interpretation is purely up to whatever implements the __getitem__ function and sees Ellipsis objects there, but its main (and intended) use is in the numpy third-party library, which adds a multidimensional array ty...
How do I obtain the frequencies of each value in an FFT?
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The first bin in the FFT is DC (0 Hz), the second bin is Fs / N, where Fs is the sample rate and N is the size of the FFT. The next bin is 2 * Fs / N. To express this in general terms, the nth bin is n * Fs / N.
So if your sample rate, Fs is say 44.1 kHz a...
Views vs Components in Ember.js
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170
Ember.View
An Ember.View is currently limited to the tags that are created for you by the W3C. B...
How do I clone a subdirectory only of a Git repository?
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Saurabh P Bhandari
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answered Mar 1 '09 at 18:00
Jörg W MittagJörg W M...