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Does Redis persist data?
I understand that Redis serves all data from memory, but does it persist as well across server reboot so that when the server reboots it reads into memory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
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How to get duration, as int milli's and float seconds from ?
... it is duration<long long, nano>. So there's an implicit conversion from integral-based nanoseconds to float-based seconds happening on that line, only because the destination type is specified with fsec.
– Howard Hinnant
Jan 18 '13 at 17:45
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What is the difference between atan and atan2 in C++?
...ng the arctangent of all four quadrants. std::atan only allows calculating from quadrants 1 and 4.
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I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.
...ocalDate.getDayOfMonth();
Note that getMonthValue() returns an int value from 1 to 12.
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How to use HTML Agility pack
...ml
htmlDoc.Load(filePath);
// Use: htmlDoc.LoadHtml(xmlString); to load from a string (was htmlDoc.LoadXML(xmlString)
// ParseErrors is an ArrayList containing any errors from the Load statement
if (htmlDoc.ParseErrors != null && htmlDoc.ParseErrors.Count() > 0)
{
// Handle any pa...
Run a single Maven plugin execution?
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As noted in How to execute maven plugin execution directly from command line?, this
functionality has been implemented as MNG-5768, and is available in Maven 3.3.1.
The change will:
extend direct plugin invocation syntax to allow optional @execution-id parameter, e.g., org.apach...
How can I repeat a character in Bash?
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If you functionalise this it's best to rearrange it from $s%.0s to %.0s$s otherwise dashes cause a printf error.
– KomodoDave
Jul 30 '14 at 7:35
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extract part of a string using bash/cut/split
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To extract joebloggs from this string in bash using parameter expansion without any extra processes...
MYVAR="/var/cpanel/users/joebloggs:DNS9=domain.com"
NAME=${MYVAR%:*} # retain the part before the colon
NAME=${NAME##*/} # retain the part...
How to shut down the computer from C#
What's the best way to shut down the computer from a C# program?
16 Answers
16
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How to set current working directory to the directory of the script in bash?
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If you run the script from the current directory like so bash script.sh, then the value of $0 is script.sh. The only way the cd command will "work" for you is because you don't care about failed commands. If you were to use set -o errexit (aka: se...