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When should I use Inline vs. External Javascript?
I would like to know when I should include external scripts or write them inline with the html code, in terms of performance and ease of maintenance.
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Why is “except: pass” a bad programming practice?
...metimes I just don't care what the errors are and I want to just continue with the code.
16 Answers
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Why use prefixes on member variables in C++ classes
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You have to be careful with using a leading underscore. A leading underscore before a capital letter in a word is reserved.
For example:
_Foo
_L
are all reserved words while
_foo
_l
are not. There are other situations where leading underscor...
Why must we define both == and != in C#?
...he C# compiler requires that whenever a custom type defines operator == , it must also define != (see here ).
13 Answer...
How to read a (static) file from inside a Python package?
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[added 2016-06-15: apparently this doesn't work in all situations. please refer to the other answers]
import os, mypackage
template = os.path.join(mypackage.__path__[0], 'templates', 'temp_file')
share
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Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
I have a requirements.txt file that I'm using with Travis-CI. It seems silly to duplicate the requirements in both requirements.txt and setup.py , so I was hoping to pass a file handle to the install_requires kwarg in setuptools.setup .
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What does !! mean in ruby?
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Not not. It's used to convert a value to a boolean:
!!nil #=> false
!!"abc" #=> true
!!false #=> false
It's usually not necessary to use though since the only false values to Ruby are nil and false, so it's usually best ...
Daemon Threads Explanation
In the Python documentation
it says:
7 Answers
7
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
... j++;
i++;
Oh no! Coming from Python, this looks ok, but in fact it isn't, as it's equivalent to:
int j = 0;
for (int i = 0 ; i < 100 ; ++i)
if (i % 2 == 0)
j++;
i++;
Of course, this is a silly mistake, but one that even an experienced programmer could make.
Another very...
Fastest Way to Serve a File Using PHP
...ying to put together a function that receives a file path, identifies what it is, sets the appropriate headers, and serves it just like Apache would.
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