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Read a variable in bash with a default value
... cases below, word is subject to tilde expansion, parameter expansion, command substitution, and arithmetic expansion.
So if you use webpath=${webpath:-~/httpdocs} you will get a result of /home/user/expanded/path/httpdocs not ~/httpdocs, etc.
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Run a Java Application as a Service on Linux
I have written a Java server application that runs on a standard virtual hosted Linux solution. The application runs all the time listening for socket connections and creating new handlers for them. It is a server side implementation to a client-server application.
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How can I use swift in Terminal?
...'s new in Xcode 6 . The article introduces some new feature about Xcode 6, and it says:
13 Answers
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Cleaning up the iPhone simulator
...o check:
"$HOME/Library/Developer/CoreSimulator/Devices"
The GUID files and directories match up to the simulator's installed apps.
Manually delete all those files/directories to remove all applications from the simulator.
I know there is some way to add scripts to the build process in XCode.
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How to redirect and append both stdout and stderr to a file with Bash?
...left to right as follows:
>>file.txt: Open file.txt in append mode and redirect stdout there.
2>&1: Redirect stderr to "where stdout is currently going". In this case, that is a file opened in append mode. In other words, the &1 reuses the file descriptor which stdout currently us...
How to split a delimited string into an array in awk?
...v 4 '11 at 13:15
Calin Paul AlexandruCalin Paul Alexandru
3,48422 gold badges1616 silver badges1919 bronze badges
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Finish all previous activities
... home.
Assuming you are finishing the login screen when the user logs in and home is created and afterwards all the screens from 1 to 5 on top of that one. The code i posted will return you to home screen finishing all the other activites. You can add an extra in the intent and read that in the ho...
MySQL > Table doesn't exist. But it does (or it should)
I changed the datadir of a MySQL installation and all the bases moved correctly except for one.
I can connect and USE the database. SHOW TABLES also returns me all the tables correctly, and the files of each table exists on the MySQL data directory.
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How do I prevent an Android device from going to sleep programmatically?
How do I prevent an Android device from going to sleep programmatically?
8 Answers
8
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What exactly is the meaning of an API? [closed]
I've searched for the definition of an API in a programming language and I am still finding it hard to understand.
13 Answe...