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What is the “volatile” keyword used for?
... correct usage. Could you please tell me what it should be used for in C# and in Java?
8 Answers
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Throwing the fattest people off of an overloaded airplane.
Let's say you've got an airplane, and it is low on fuel. Unless the plane drops 3000 pounds of passenger weight, it will not be able to reach the next airport. To save the maximum number of lives, we would like to throw the heaviest people off of the plane first.
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JavaScript naming conventions [closed]
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JSLint can be too radical and restrictive for many developers, then JSHint can be better choice.
– Pavel Hodek
Jan 2 '12 at 20:18
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How to force a SQL Server 2008 database to go Offline
..., State 1, Line 1 ALTER DATABASE statement failed.
– Andez
Jul 9 '12 at 11:02
6
I've seen occuren...
How to configure IntelliJ (also Android Studio) redo shortcut to CTRL+Y instead of CTRL+SHIFT+Z?
The default IntelliJ / Android Studio "Redo" action shortcut is CTRL + Shift + Z and this is a common problem for Windows users.
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What does set -e mean in a bash script?
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From help set :
-e Exit immediately if a command exits with a non-zero status.
But it's considered bad practice by some (bash FAQ and irc freenode #bash FAQ authors). It's recommended to use:
trap 'do_something' ERR
to run do_something function when errors occur.
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'Incomplete final line' warning when trying to read a .csv file into R
I'm trying to read a .csv file into R and upon using this formula:
15 Answers
15
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How do I check if a variable exists in a list in BASH
...amp; echo 'yes' || echo 'no'. it's correct assuming space is the separator and $x doesn't contain space
– Tianren Liu
Apr 5 '16 at 21:47
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Using ZXing to create an Android barcode scanning app [duplicate]
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The ZXing project provides a standalone barcode reader application which — via Android's intent mechanism — can be called by other applications who wish to integrate barcode scanning.
The easiest way to do this is to call the ZXing SCAN Intent from yo...
How to Deal with Temporary NSManagedObject instances?
I need to create NSManagedObject instances, do some stuff with them and then trash them or store to sqlite db. The problem is, I cannot create instances of NSManagedObject unconnected to NSManagedObjectContext and this means I have to clear up somehow after I decide that I don't need some of ...