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sudo echo “something” >> /etc/privilegedFile doesn't work
...ev/null
Remember about the (-a/--append) flag!
Just tee works like > and will overwrite your file. tee -a works like >> and will write at the end of the file.
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Add new item in existing array in c#.net
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And if required, do ls.ToArray() at the end
– Narayana
Jul 26 '12 at 13:16
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jquery how to empty input field
I am in a mobile app and I use an input field in order user submit a number.
7 Answers
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Get mouse wheel events in jQuery?
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There's a plugin that detects up/down mouse wheel and velocity over a region.
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How can I check the syntax of Python script without executing it?
I used to use perl -c programfile to check the syntax of a Perl program and then exit without executing it. Is there an equivalent way to do this for a Python script?
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Can I change the height of an image in CSS :before/:after pseudo-elements?
...djusting the background-size is permitted. You still need to specify width and height of the block, however.
.pdflink:after {
background-image: url('/images/pdf.png');
background-size: 10px 20px;
display: inline-block;
width: 10px;
height: 20px;
content:"";
}
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How do I set up a simple delegate to communicate between two view controllers?
I have two UITableViewControllers and need to pass the value from the child view controller to the parent using a delegate. I know what delegates are and just wanted to see a simple to follow example.
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Git push branch from one remote to another?
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@patthoyts I tried the mentioned command it says everything up to date, But I have 10 branches in remote A and 6 branches in remote B so can you please tell me how can I move the left out branches?
– Keshav1234
Jan 3 '18 at...
Counting occurrences in Vim without marking the buffer changed
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To avoid the substitution, leave the second pattern empty, and add the “n” flag:
:%s/pattern-here//gn
This is described as an official tip.
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open_basedir restriction in effect. File(/) is not within the allowed path(s):
...ng this error on an avatar upload on my site. I've never gotten it before and nothing was changed recently for me to begin getting this error...
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