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When should I use std::thread::detach?
...hread-local objects destructed.
Crucially, this means that the stack of those threads is not unwound and thus some destructors are not executed. Depending on the actions those destructors were supposed to undertake, this might be as bad a situation as if the program had crashed or had been killed. ...
How to get all files under a specific directory in MATLAB?
I need to get all those files under D:\dic and loop over them to further process individually.
8 Answers
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How can I use threading in Python?
... with Python with map and pool.
The code below comes from an article/blog post that you should definitely check out (no affiliation) - Parallelism in one line: A Better Model for Day to Day Threading Tasks. I'll summarize below - it ends up being just a few lines of code:
from multiprocessing.dummy ...
How to get error message when ifstream open fails
...r between the execution of the f.open and use of errno.
On system with POSIX standard:
errno is thread-local; setting it in one thread does not affect its
value in any other thread.
Edit (thanks to Arne Mertz and other people in the comments):
e.what() seemed at first to be a more C++-...
android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi
...pvotes? xlarge != xhdpi, they're measuring two totally different things. Those dp sizes are listed for the size buckets, not density.
– Geobits
Oct 4 '13 at 13:07
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How to get my IP address programmatically on iOS/macOS?
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The following code finds all IPv4 and IPv6 addresses on an iOS or OSX device. The first getIPAddress method acts more or less as the older code in this answer: you can prefer either one or the other type address, and it always prefers WIFI over cellular (obviously you could change thi...
Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?
So I'm still reasonably new to iOS development and I'm finding myself quite regularly needing to delete either DerivedData, or the contents of the iPhone Simulator directory, to get things to actually execute from my code. Clean in Xcode doesn't do the same as emptying those directories, right? And ...
List comprehension rebinds names even after scope of comprehension. Is this right?
... loop control variable in Python 2 but not in Python 3. Here's Guido van Rossum (creator of Python) explaining the history behind this:
We also made another change in Python
3, to improve equivalence between list
comprehensions and generator
expressions. In Python 2, the list
comprehens...
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...same as the shell’s PATH: one or more directory
pathnames separated by os.pathsep (e.g. colons on Unix or semicolons
on Windows). Non-existent directories are silently ignored.
In addition to normal directories, individual PYTHONPATH entries may
refer to zipfiles containing pure Python ...
How to create a remote Git repository from a local one?
I have a local Git repository. I would like to make it available on a remote, ssh-enabled, server. How do I do this?
8 Answ...