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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...
Configuring user and password with Git Bash
I am using Git Bash on Windows 7. We are using GitHub as our repository origin.
8 Answers
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Getting Python error “from: can't read /var/mail/Bio”
...ntally, from is the name of a command line utility which prints names of those who have sent mail to the given username, so that's why it tries to access the mailboxes).
Another possibility is to add the following line to the top of the script:
#!/usr/bin/env python
This will instruct your shell...
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 ...
Android Studio: Default project directory
... a generic default folder at a location something similar to (dependent on OS - Ubuntu here):
10 Answers
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How can I indent multiple lines in Xcode?
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Note that these are commonly used Mac OS X key bindings thus you can indent using CMD-] and CMD-[ in, for example, Mail.app.
– Gregory Cosmo Haun
Jun 15 '10 at 23:57
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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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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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Android - Emulator in landscape mode, screen does not rotate
...) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly?
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Javascript - How to extract filename from a file input control
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vog's answer is really close to the 100% accurate answer to the question (except needs to strip the extension.) A filename is no different from any other string.
– Jon Watte
May 21 '16 at 19:38
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