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Regarding 'main(int argc, char *argv[])' [duplicate]
...lure/error
}
In the early versions of the C language, there was no int before main as this was implied. Today, this is considered to be an error.
On POSIX-compliant systems (and Windows), there exists the possibility to use a third parameter char **envp which contains a vector of the programs env...
Using fonts with Rails asset pipeline
...these folders:
app/assets/fonts
lib/assets/fonts
vendor/assets/fonts
For Rails versions > 4, you must place your fonts in the app/assets/fonts folder.
Note: To place fonts outside of these designated folders, use the following configuration:
config.assets.precompile << /\.(?:svg|eo...
How to remove specific elements in a numpy array
... new array with sub-arrays along an axis deleted
numpy.delete(a, index)
For your specific question:
import numpy as np
a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
index = [2, 3, 6]
new_a = np.delete(a, index)
print(new_a) #Prints `[1, 2, 5, 6, 8, 9]`
Note that numpy.delete() returns a new arr...
String comparison in Python: is vs. == [duplicate]
...
For all built-in Python objects (like
strings, lists, dicts, functions,
etc.), if x is y, then x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse ...
Django get the static files URL in view
...fgen to create a PDF. In the PDF there is an image created by drawImage . For this I either need the URL to an image or the path to an image in the view. I managed to build the URL but how would I get the local path to the image?
...
What's the correct way to convert bytes to a hex string in Python 3?
...70950. Q: Would it hurt to have the tohex method of the bytes object to perform this task as well? A: IMO, yes, it would. It complicates the code, and draws the focus away from the proper approach to data conversion (namely, functions - not methods).
– Mu Mind
...
Difference between == and ===
... "identical to"
Long Answer:
Classes are reference types, it is possible for multiple constants and variables to refer to the same single instance of a class behind the scenes. Class references stay in Run Time Stack (RTS) and their instances stay in Heap area of Memory. When you control equality ...
Android XML Percent Symbol
I have an array of strings in which the % symbol is used. Proper format for using the % is &#37; . When I have a string in that array with multiple &#37; it gives me this error.
...
Running V8 Javascript Engine Standalone
...m Mozilla's standalone Javascript interpreter. Luckily, V8 ships with code for building a console. Here is how to build this:
$> svn co http://v8.googlecode.com/svn/trunk v8-trunk
...
$> cd v8-trunk
$> scons
$> g++ ./samples/shell.cc -o v8-shell -I include libv8.a
Now, we have a sta...
Rails.env vs RAILS_ENV
...es when checking what env one is running in. What's preferred? Are they, for all intents and purposes equal?
5 Answers
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