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Select objects based on value of variable in object using jq
...re what you mean by parent (do you mean key?)... it's just jq 'keys' json. If you meant the keys after the filter, giving "FOO" "BAR", use this answer and use .key instead of [.key, .value.name].
– ggorlen
Sep 12 at 4:26
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How can I use “puts” to the console without a line break in ruby on rails?
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You need to use print instead of puts. Also, if you want the dots to appear smoothly, you need to flush the stdout buffer after each print...
def print_and_flush(str)
print str
$stdout.flush
end
100.times do
print_and_flush "."
sleep 1
end
Edit: I was just l...
Center content of UIScrollView when smaller
...IImageView inside a UIScrollView which I use for zooming and scrolling. If the image / content of the scroll view is bigger than the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I would like ...
What does “while True” mean in Python?
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As one of my teachers pointed out: if you think true==true is an improvement, where do you stop? Wouldn't (true==true)==true be even better?
– Ken
Sep 20 '10 at 20:18
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How do I reverse a C++ vector?
...[0][i] element remain as it is. This is similar to changing order of rows (if a vector is viewed as a Matrix). If a vector is defined as: vector<vector<int> > v; reverse(v.begin(), v.end()) doesn't reverse it. TIA!
– Vikas Goel
Jan 14 '16 at 20:30
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How to convert UTF-8 byte[] to string?
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One of the beautiful features of UTF-8 is that a shorter sequence is never a subsequence of a longer sequence. So a null terminated UTF-8 string is simple.
– plugwash
Nov 24 '15 at 17:00
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Get Mouse Position
...etPointerInfo().getLocation() returns the position relative to the screen. If you want the position relative to your component (like given by MouseListeners) you can subtract yourComponent.getLocationOnScreen() from it.
– Thomas Ahle
Jan 10 '12 at 10:43
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Updating a local repository with changes from a GitHub repository
...complained: "You asked to pull from the remote 'origin', but did not specify a branch. Because this is not the default configured remote for your current branch, you must specify a branch on the command line." So I tried "$ git pull origin master" and it worked fine.
– Jua...
How to make graphics with transparent background in R using ggplot2?
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If you don't set the plot.background color like the answer above your plot will have a faint outline.
– jsta
Mar 15 '18 at 22:15
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Peak memory usage of a linux/unix process
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What if I don't know PID? For example in case when the program runs a small amount of time (<1s)
– diralik
Feb 23 '19 at 22:38
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