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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...o CPU time used only by the process.
Real is wall clock time - time from start to finish of the call. This is all elapsed time including time slices used by other processes and time the process spends blocked (for example if it is waiting for I/O to complete).
User is the amount of CPU time spent...
C dynamically growing array
...ays for you.
If you do plan to write your own, here's something to get you started: most dynamic array implementations work by starting off with an array of some (small) default size, then whenever you run out of space when adding a new element, double the size of the array. As you can see in the ex...
How do I solve the INSTALL_FAILED_DEXOPT error?
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Restarting the emulator from the Android SDK and AVD Manager and selecting the option Wipe User Data has solved this problem for me.
You can find the option as highlighted in the below given image:
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Log all queries in mysql
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Start mysql with the --log option:
mysqld --log=log_file_name
or place the following in your my.cnf file:
log = log_file_name
Either one will log all queries to log_file_name.
You can also log only slow queries using t...
Git Remote: Error: fatal: protocol error: bad line length character: Unab
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Similar error after upgrading GitExt had to restart pageant and reimport .ppk key file.
– Bill Dolan
May 12 '17 at 17:53
9
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Single script to run in both Windows batch and Linux Bash?
...doing any sort of interpretation on its contents when running with sh) and starts with : so that cmd skips over it like any other line starting with :.
:; echo "I am ${SHELL}"
:<<"::CMDLITERAL"
ECHO I am %COMSPEC%
::CMDLITERAL
:; echo "And ${SHELL} is back!"
:; exit
ECHO And back to %COMSPEC%...
Groovy Shell warning “Could not open/create prefs root node …”
...the solution in a bit more detailed way (for Windows User):
Go into your Start Menu and type regedit into the search field.
Navigate to path HKEY_LOCAL_MACHINE\Software\JavaSoft (Windows 10 seems to now have this here: HKEY_LOCAL_MACHINE\Software\WOW6432Node\JavaSoft)
Right click on the JavaSoft f...
SyntaxError: Use of const in strict mode
...MAScript 2015 features (including const and let) in Node.js 0.10 and 0.12; start your node program with a harmony flag, otherwise you will get a syntax error. For example:
node --harmony app.js
It all depends on which side your strict js is located. I would recommend using strict mode with const ...
What is a “Stub”?
..., carrying on with my new years resolution to get more in to TDD, I am now starting to work more with Rhino Mocks .
6 Answ...
Is there a Python function to determine which quarter of the year a date is in?
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What if my fiscal year quarter starts in September?
– Arthur D. Howland
May 1 '19 at 3:10
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