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Setting mime type for excel document
... you should set the following header in the response:
header('Content-Disposition: attachment; filename="name_of_excel_file.xls"');
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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...is means executing CPU time spent in system calls within the kernel, as opposed to library code, which is still running in user-space. Like 'user', this is only CPU time used by the process. See below for a brief description of kernel mode (also known as 'supervisor' mode) and the system call mech...
How exactly does the callstack work?
...ns of programming languages work and especially how they interact with the OS/CPU. I've probably read every answer in every stack/heap related thread here on Stack Overflow, and they are all brilliant. But there is still one thing that I didn't fully understand yet.
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How to get the second column from command output?
...rk to get a specific column out of the command output "docker images":
REPOSITORY TAG IMAGE ID CREATED SIZE
ubuntu 16.04 12543ced0f6f 10 months ago 122 MB
ubuntu ...
Check whether a cell contains a substring
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@renatov that actually depends on the locale of your OS; specifically, the character used for "list separator".
– pepoluan
Jul 9 '15 at 7:38
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How do I plot in real-time in a while loop using matplotlib?
...ed, but did not display anything, it remained in a blocked state until I closed it
– isti_spl
Feb 4 '16 at 8:39
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How to view or edit localStorage
...pplication > Local Storage to add a new value.
– Rose Perrone
Apr 18 '18 at 15:09
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res.sendFile absolute path
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@TheThird i guess, using path makes it os-independent.
– kmonsoor
Apr 27 '16 at 6:24
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Vertical (rotated) text in HTML table
...then use it like this:
<img alt="bla" src="GenerateImage.ashx?no_cache=123&text=Hello%20World&rotate=true" />
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