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How to remove spaces from a string using JavaScript?
... Firefox 59.0.2 (64-bit) ):
SHORT strings
Short string similar to examples from OP question
The fastest solution on all browsers is / /g (regexp1a) - Chrome 17.7M (operation/sec), Safari 10.1M, Firefox 8.8M. The slowest for all browsers was split-join solution. Change to \s or add + or i to rege...
Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
...rn is YES, it sends hitTest:withEvent: messages to its subviews.
it starts from the top-level subview, and continues to other views until a subview
returns a non-nil object, or all subviews receive the message.
If a subview returns a non-nil object in the first time, the first hitTest:withEvent: ret...
What is the native keyword in Java for?
...ynamically loaded library (here written in C) with arbitrary assembly code from Java
and get results back into Java
This could be used to:
write faster code on a critical section with better CPU assembly instructions (not CPU portable)
make direct system calls (not OS portable)
with the tradeo...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
...ion of your problem ;)
OnActivityCreated is invoked after fragment returns from back stack.
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iOS: Convert UTC NSDate to local Timezone
...yyyy.MM.dd G 'at' HH:mm:ss zzz"];
NSString* ts_utc_string = [df_utc stringFromDate:ts_utc];
NSString* ts_local_string = [df_local stringFromDate:ts_utc];
// you can also use NSDateFormatter dateFromString to go the opposite way
Table of formatting string parameters:
https://waracle.com/iphone-n...
What is the official “preferred” way to install pip and virtualenv systemwide?
...
See: https://docs.python.org/2.7//installing/index.html
If not :
Update (from the release notes):
Beginning with v1.5.1, pip does not require setuptools prior to running get-pip.py. Additionally, if setuptools (or distribute) is not already installed, get-pip.py will install setuptools for you...
Mutable vs immutable objects
...utable objects gets a lot of bad press (e.g. returning an array of strings from a method) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever possible?
...
Should I always use a parallel stream when possible?
...ctions as streams, and just as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream:
...
When should I write the keyword 'inline' for a function/method?
...ke sure it doesn't accidentally use a statically defined variable/function from another translation unit.
extern - use this variable/function name in this translation unit but don't complain if it isn't defined. The linker will sort it out and make sure all the code that tried to use some extern sy...
What is the difference between background and background-color
...the background-color when inheriting other related background-* properties from a parent element, or if you need to remove all the values except the background-color).
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