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How to redirect output with subprocess in Python?
...dows then drop shlex.split(), drop shell=True, drop >file, drop open(), etc and use stdout=PIPE, Timer(1, proc.terminate).start(); output = proc.communicate()[0] instead. Here's complete example. More solutions: Stop reading process output in Python without hang? Note: there is no requirement in ...
Detect if the app was launched/opened from a push notification
...tually becomes active, which is the same lifecycle method in all cases.
Sketch of our solution
Here are the main components of our solution:
Store a notificationUserInfo instance variable on the AppDelegate.
Set notificationUserInfo = nil in both applicationWillEnterForeground and didFinishLaunc...
Why does modern Perl avoid UTF-8 by default?
...in (UTF-8 to terminals that understand UTF-8, UTF-16 for files on Windows, etc.), and then output the result of encode($encoding, $data) instead of just outputting $data.
This operation converts Perl's characters, which is what your program operates on, to octets that can be used by the outside wor...
Wrapping a C library in Python: C, Cython or ctypes?
...ore hesitant if I had to wrap a C++ library with lots of classes/templates/etc. But ctypes works well with structs and can even callback into Python.
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MySQL indexes - what are the best practices?
...index all columns, no columns, which indexes should span multiple columns, etc. It depends on the queries you need to run.
Yes, there is some overhead so you shouldn't create indexes needlessly. But you should create the indexes that give benefit to the queries you need to run quickly. The overh...
How to get the source directory of a Bash script from within the script itself?
... one will work with any combination of aliases, source, bash -c, symlinks, etc.
Beware: if you cd to a different directory before running this snippet, the result may be incorrect!
Also, watch out for $CDPATH gotchas, and stderr output side effects if the user has smartly overridden cd to redirect o...
How to make rounded percentages add up to 100%
...mal place instead of integer values. So the numbers would be 48.3 and 23.9 etc. This would drop the variance from 100 by a lot.
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How do I pull my project from github?
...lone the Repository
Open VS Code (or any IDE/CLI which has command prompt etc.). Go to the directory in which you want to clone, using cd commands, and type the below line.
git config --global github.user yourGitUserName
git config --global user.email your_email
git clone git@github.com:yourGit...
What does (angle brackets) mean in Java?
...ng you want, it doesn't really matter.
Moreover, Integer, String, Boolean etc are wrapper classes of Java which help in checking of types during compilation. For example, in the above code, obj is of type String, so you can't add any other type to it (try obj.add(1), it will cast an error). Similar...
How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
...ore to do with access control (lazy instantiation, remote access, security etc). But like I said, the lines between them are gray, and I see references to proxies that could easily be viewed as decorators and vice versa.
sha...