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Show or hide element in React
...en element might still have some lifecycle methods running - eg. it might fetch some data from the server after every update even tho it's not visible
the hidden element might crash the app if it'll receive incorrect data. It might happen as you can 'forget' about invisible nodes when updating the s...
How to open the Google Play Store directly from my Android application?
...n. Please also note, that e.g. app rating is only relevant in GP Store app etc...
To open Google Play AND ONLY Google Play I use this method:
public static void openAppRating(Context context) {
// you can also use BuildConfig.APPLICATION_ID
String appId = context.getPackageName();
Inte...
ruby system command check exit code
...formation from this object, including: status code, execution status, pid, etc.
Some useful methods of the $? object:
$?.exitstatus => return error code
$?.success? => return true if error code is 0, otherwise false
$?.pid => created process pid
...
Python Matplotlib figure title overlaps axes label when using twiny
....08)
This also works for plt.suptitle(), but not (yet) for plt.xlabel(), etc.
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How to move one word left in the vi editor
...
Oh, and one can do 4ge to move 4 words here as well etc.
– dekuShrub
Apr 11 '18 at 10:50
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What is the difference between gmake and make?
...N LINUX systems. Say BSD is using its own make which has different syntax, etc.
– Alex
Jan 16 '15 at 22:02
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Remove unwanted parts from strings in a column
...result'] = [x[1:-1] for x in df['result']]
Same rules for handling NaNs, etc, apply.
Performance Comparison
Graphs generated using perfplot. Full code listing, for your reference. The relevant functions are listed below.
Some of these comparisons are unfair because they take advantage of th...
Change private static final field using Java reflection
... uses?
Has examples of messing with Integer's cache, mutating a String, etc
Caveats
Extreme care should be taken whenever you do something like this. It may not work because a SecurityManager may be present, but even if it doesn't, depending on usage pattern, it may or may not work.
JLS 17.5.3...
How do I add custom field to Python log format string?
...ng.DEBUG, msg, args, extra=extra, **kwargs)
*repeat for info, warning, etc*
logger = CustomLogger('CustomLogger', logging.DEBUG)
formatter = logging.Formatter('%(asctime)s [%(foo)s] %(message)s')
handler = logging.StreamHandler()
handler.setFormatter(formatter)
logger.addHandler(handler)
log...
Why is a “GRANT USAGE” created the first time I grant a user privileges?
... also specify GRANT USAGE at the global level, database level, table level,etc....
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