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When to use nil, blank, empty? [duplicate]
Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
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JavaScript math, round to two decimal places [duplicate]
... ) instead of forcing type coersion as it is more obvious to other people (and you later)
– Hugo Buff
Mar 24 '17 at 14:59
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How to pause a YouTube player when hiding the iframe?
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The easiest way to implement this behaviour is by calling the pauseVideo and playVideo methods, when necessary. Inspired by the result of my previous answer, I have written a pluginless function to achieve the desired behaviour.
The only adjustments:
I have added a function, toggleVideo
I have ...
Change Default Scrolling Behavior of UITableView Section Header
... 0 header height, you'll see that finger-feel is affected (try like "1000" and you'll see the bounce behaviour is sort of weird at the top). if the number matches your section 0 header height, finger feel seems to be either perfect or near-perfect.}
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How to overwrite the previous print to stdout in python?
...w that Python 2 is EOL, a Python 3 answer makes more sense. For Python 3.5 and earlier:
for x in range(10):
print('{}\r'.format(x), end="")
print()
In Python 3.6 and later, f-strings read better:
for x in range(10):
print(f'{x}\r', end="")
print()
Of course, as Tim Seguine points out in th...
Xcode doesn't show the line that causes a crash
...Xcode, click on the breakpoint navigator (almost all the way to the right hand side of the top button bar. The icon looks like a fat right arrow).
At the bottom of the navigator, click the "+" button.
Click "Add Exception Breakpoint".
A new breakpoint will be created. It should be configured as ne...
Disable ScrollView Programmatically?
I would like to enable ScrollView and disable it by a Button Click.
Disable means like if the ScrollView wasn't there.. and enable it returns the ScrollView.
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Ignore python multiple return value
...= func()[0] to return the first value, x = func()[1] to return the second, and so on.
If you want to get multiple values at a time, use something like x, y = func()[2:4].
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Resource interpreted as stylesheet but transferred with MIME type text/html (seems not related with
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i'd like to start by understanding the problem
Browsers make HTTP requests to servers. The server then makes an HTTP response.
Both requests and responses consist of a bunch of headers and a (sometimes optional) body with some content in it.
If ther...
Difference between double and single curly brace in angular JS?
...gular world, i am bit confused with the use of double curly braces {{}}
and single curly braces{} or sometime no curly brace is used to include the expression like in the directives
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