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Adding a directory to $LOAD_PATH (Ruby)
I have seen two commonly used techniques for adding the directory of the file currently being executed to the $LOAD_PATH (or $:). I see the advantages of doing this in case you're not working with a gem. One seems more verbose than the other, obviously, but is there a reason to go with one over the ...
Opening Vim help in a vertical split window
...s on the left/top or the right/bottom with topleft (to) and botright (bo). For example, to open help in the right window of a vertical split:
:vert bo help
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Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
...-dependent in iOS8, not a bug. You could review session 214 from WWDC 2014 for more info: "View Controller Advancements in iOS 8"
Quote from the presentation:
UIScreen is now interface oriented:
[UIScreen bounds] now interface-oriented
[UIScreen applicationFrame] now interface-oriented
Status ba...
How should a model be structured in MVC? [closed]
...main Objects
A domain object is a logical container of purely domain information; it usually represents a logical entity in the problem domain space. Commonly referred to as business logic.
This would be where you define how to validate data before sending an invoice, or to compute the total c...
How do I keep Python print from adding newlines or spaces? [duplicate]
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This worked great for me. Just don't forget to do a sys.stdout.flush() when you're ready to display it on screen, otherwise it will hold it in a buffer and you won't see it. I use this to give visual feedback that a script is still running w...
Difference between fprintf, printf and sprintf?
...r to some other device such as a printer or tty. The FILE type contains information about the stream. Normally, you don't mess with a FILE object's contents directly, you just pass a pointer to it to the various I/O routines.
There are three standard streams: stdin is a pointer to the standard ...
How to initialize an array in one step using Ruby?
...red
# or
array = *('1'..'3') # parentheses not required, but included for clarity
For arrays of whitespace-delimited strings, you can use Percent String syntax:
array = %w[ 1 2 3 ]
You can also pass a block to Array.new to determine what the value for each entry will be:
array = Array.new...
How to change a django QueryDict to Python Dict?
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This doesnt work for many libraries including authomatic. See my question and my own answer here (works with v2 and v3 of python): stackoverflow.com/questions/37026535/…
– Olivier Pons
May 4 '16 at 12:...
What does `m_` variable prefix mean?
I often see m_ prefix used for variables ( m_World , m_Sprites ,...) in tutorials, examples and other code mainly related to game development.
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Difference between -pthread and -lpthread while compiling
...mpiler to link in the pthread library as well as configure the compilation for threads.
For example, the following shows the macros that get defined when the -pthread option gets used on the GCC package installed on my Ubuntu machine:
$ gcc -pthread -E -dM test.c > dm.pthread.txt
$ gcc ...