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How to check if an appSettings key exists?
How do I check to see if an Application Setting is available?
9 Answers
9
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How to hide iOS status bar
...add this value to plist: "View controller-based status bar appearance" and set it to "NO".
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How to center icon and text in a android button with width set to “fill parent”
...with icon+text centered inside it. I'm using the drawableLeft attribute to set the image, this works well if the button has a width of "wrap_content" but I need to stretch to max width so I use width "fill_parent" . This moves my icon straight to the left of the button and I want both icon and te...
Counting inversions in an array
... Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find the number of inversions. Any hints or help wo...
EditText underline below text property
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It's actually fairly easy to set the underline color of an EditText programmatically (just one line of code).
To set the color:
editText.getBackground().setColorFilter(color, PorterDuff.Mode.SRC_IN);
To remove the color:
editText.getBackground().cle...
How can I check if a string represents an int, without using try/except?
...g., '3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism?
18 Answers
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Date vs DateTime
...e date part via the Date property (which is another DateTime with the time set to 00:00:00).
And you can retrieve individual date properties via Day, Month and Year.
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Write to file, but overwrite it if it exists
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In Bash, if you have set noclobber a la set -o noclobber, then you use the syntax >|
For example:
echo "some text" >| existing_file
This also works if the file doesn't exist yet
Check if noclobber is set with: set -o | grep noclobber...
How to get my IP address programmatically on iOS/macOS?
I would like to obtain my iPad's IP address programmatically.
How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are?
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vim “modifiable” is off
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:set ma
which is short for
:set modifiable
will make a buffer modifiable. And
:set noma
does the opposite.
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