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What is the difference between square brackets and parentheses in a regex?
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'const string' vs. 'static readonly string' in C#
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When you use a const string, the compiler embeds the string's value at compile-time.
Therefore, if you use a const value in a different assembly, then update the original assembly and change the value, the other assembly won't see the change until you re-com...
When to use pip requirements file versus install_requires in setup.py?
... what you know does work, and may include optional dependencies that you recommend. For example you might use SQLAlchemy but suggest MySQL, and so put MySQLdb in the requirements file).
So, in summary: install_requires is to keep people away from things that you know don't work, while requirements...
What's the best way to communicate between view controllers?
...lar and reusable. And if you think about where the Stanford presenters are coming from (i.e., as Apple employees their job is to build classes that can easily be reused), reusability and modularity are high priorities. All of the best practices they mention for sharing data are part of dependency in...
How to handle the modal closing event in Twitter Bootstrap?
... has finished being hidden from the user (will wait for CSS transitions to complete).
And provide an example on how to use them:
$('#myModal').on('hidden.bs.modal', function () {
// do something…
})
Legacy Bootstrap 2.3.2 answer
Bootstrap's documentation refers two events you can use.
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Need to understand the usage of SemaphoreSlim
...ame time.
Calling WaitAsync on the semaphore produces a task that will be completed when that thread has been given "access" to that token. await-ing that task lets the program continue execution when it is "allowed" to do so. Having an asynchronous version, rather than calling Wait, is important...
Script parameters in Bash
...iables $1 and $2 and $3 where the number refers to the argument. $0 is the command itself.
The arguments are seperated by spaces, so if you would provide the -from and -to in the command, they will end up in these variables too, so for this:
./ocrscript.sh -from /home/kristoffer/test.png -to /home...
How can I improve my paw detection?
...ementation in Python: SciPy's ndimage.morphology module. This is a fairly common image morphology operation.
Basically, you have 5 steps:
def find_paws(data, smooth_radius=5, threshold=0.0001):
data = sp.ndimage.uniform_filter(data, smooth_radius)
thresh = data > threshold
fille...
How to use shell commands in Makefile
I'm trying to use the result of ls in other commands (e.g. echo, rsync):
2 Answers
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Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)
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