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Bash empty array expansion with `set -u`
I'm writing a bash script which has set -u , and I have a problem with empty array expansion: bash appears to treat an empty array as an unset variable during expansion:
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NullPointerException accessing views in onCreate()
...d-generated code.
The view is in the fragment layout (fragment_main.xml) and not in the activity layout (activity_main.xml). onCreate() is too early in the lifecycle to find it in the activity view hierarchy, and a null is returned. Invoking a method on null causes the NPE.
The preferred solution...
How do you split a list into evenly sized chunks?
I have a list of arbitrary length, and I need to split it up into equal size chunks and operate on it. There are some obvious ways to do this, like keeping a counter and two lists, and when the second list fills up, add it to the first list and empty the second list for the next round of data, but t...
When 1 px border is added to div, Div size increases, Don't want to do that
...d), under the html->layout tab.
Just as an example, a div with a width and height of 10px and a border of 1px, will have an outer width and height of 12px.
For your case, to make it appear like the border is on the "inside" of the div, in your selected CSS class, you can reduce the width and he...
ArrayBuffer to base64 encoded string
...edited Sep 29 '14 at 16:11
herbrandson
2,07722 gold badges3030 silver badges4343 bronze badges
answered Feb 27 '12 at 1:29
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How to stop C++ console application from exiting immediately?
...n one of the code samples, I see that program open for about a half second and then immediately close. Is there a way to stop the program from closing immediately so that I can see the fruits of my effort?
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Offset a background image from the right using CSS
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It works now on mobile devices (checked on Android, iOS and WindowsPhone). Still Safari 5.1.7 not support background position given like here.
– Szorstki
Apr 15 '14 at 13:33
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Propagate all arguments in a bash shell script
I am writing a very simple script that calls another script, and I need to propagate the parameters from my current script to the script I am executing.
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How to convert timestamps to dates in Bash?
I need a shell command or script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns:
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Inspect element that only appear when other element is mouse overed/entered
...g over the button
Press F8 to freeze the page
Switch to the Elements panel and use the magnifying glass icon in the top left to select the tooltip
If the tooltip shows up because of CSS, here's what you can do in that case:
Step-by-step:
Open the DevTools
Select the triggering element in the d...