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Singletons vs. Application Context in Android?
Recalling this post enumerating several problems of using singletons
and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
Concurrent.futures vs Multiprocessing in Python 3
...if any) of a speedup you get depends on the details of your hardware, your OS, and especially on how much inter-process communication your specific tasks require. Under the covers, all inter-process parallelization gimmicks rely on the same OS primitives - the high-level API you use to get at those...
How to write to a file in Scala?
...O being not very active, if any, Li Haoyi suggests his own library lihaoyi/os-lib, that he presents below.
June 2019, Xavier Guihot mentions in his answer the library Using, a utility for performing automatic resource management.
Edit (September 2011): since Eduardo Costa asks about Scala2.9, an...
How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?
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Just use Ctrl+K, Ctrl+D.
(for OS X: Cmd+K, Cmd+D)
Needs a bit of practice, but gets the job done!
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Windows batch: formatted date into variable
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You can get the current date in a locale-agnostic way using
for /f "skip=1" %%x in ('wmic os get localdatetime') do if not defined MyDate set MyDate=%%x
Then you can extract the individual parts using substrings:
set today=%MyDate:~0,4%-%MyDate:~4,2%-%MyDate:~6,2%
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iOS Image Orientation has Strange Behavior
...specifies the orientation of the image which is generally ignored by other OS but Mac. Most of images taken are having their meta data property set to right angle. So Mac shows it 90 degree rotated manner. You can see the same image in proper way in windows OS.
For more detail read this answer http...
Is there a way to automate the android sdk installation?
...<http | socks>: Connect via a proxy of the given type.
--proxy_host=<IP or DNS address>: IP or DNS address of the proxy to use.
--proxy_port=<port #>: Proxy port to connect to.
* If the env var REPO_OS_OVERRIDE is set to "windows",
"macosx", or "linux", packages will b...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
... answered Sep 24 '08 at 6:07
lajoslajos
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Match whitespace but not newlines
...de does not consider it whitespace. For that reason, Perl \h differs from POSIX blank ([[:blank:]] in Perl, \p{Blank} in Java) and Java 8 \h. Admittedly, it's an edge case.
– Aleksandr Dubinsky
Feb 3 '16 at 18:07
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NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
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