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How to retrieve the dimensions of a view?
... . I want it to look like a grid. I need to get the height and width of this grid. The methods getHeight() and getWidth() always return 0. This happens when I format the grid dynamically and also when I use an XML version.
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Associative arrays in Shell scripts
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To add to Irfan's answer, here is a shorter and faster version of get() since it requires no iteration over the map contents:
get() {
mapName=$1; key=$2
map=${!mapName}
value="$(echo $map |sed -e "s/.*--${key}=\([^ ]*\).*/\1/" -e 's/:SP:/ /g'...
What does new self(); mean in PHP?
I've never seen code like this:
5 Answers
5
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How can I use numpy.correlate to do autocorrelation?
... need to do auto-correlation of a set of numbers, which as I understand it is just the correlation of the set with itself.
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getExtractedText on inactive InputConnection warning on android
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I ran into a similar issue. My logcat:
W/IInputConnectionWrapper(21214): getTextBeforeCursor on inactive InputConnection
W/IInputConnectionWrapper(21214): getSelectedText on inactive InputConnection
W/IInputConnectionWrapper(21214): getTextBefor...
In Bash, how can I check if a string begins with some value?
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This snippet on the Advanced Bash Scripting Guide says:
# The == comparison operator behaves differently within a double-brackets
# test than within single brackets.
[[ $a == z* ]] # True if $a starts with a "z" (wildcard m...
How do you create a random string that's suitable for a session ID in PostgreSQL?
..., so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
12 Answers
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YouTube iframe API: how do I control an iframe player that's already in the HTML?
I want to be able to control iframe based YouTube players. This players will be already in the HTML, but I want to control them via the JavaScript API.
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Differences in string compare methods in C#
Comparing string in C# is pretty simple. In fact there are several ways to do it. I have listed some in the block below. What I am curious about are the differences between them and when one should be used over the others? Should one be avoided at all costs? Are there more I haven't listed?
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Is gcc std::unordered_map implementation slow? If so - why?
...e wrote a benchmark to figure out, how much slower our concurrent hash map is compared with std::unordered_map .
3 Answers...