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Using getopts to process long and short command line options
I wish to have long and short forms of command line options invoked using my shell script.
32 Answers
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How to empty (“truncate”) a file on linux that already exists and is protected in someway?
I have a file called error.log on my server that I need to frequently truncate. I have rw permissions for the file. Opening the file in vi > deleting all content > saving works (obviously). But when I try the below
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Virtual Serial Port for Linux
I need to test a serial port application on Linux, however, my test machine only has one serial port.
8 Answers
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How to open existing project in Eclipse
I kind of feel stupid, but I just can't get it to work....
7 Answers
7
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HTML5: number input type that takes only integers?
I'm using the jQuery Tools Validator which implements HTML5 validations through jQuery. It's been working great so far except for one thing. In the HTML5 specification, the input type "number" can have both integers and floating-point numbers. This seems incredibly short-sighted since it will only...
Is the != check thread safe?
I know that compound operations such as i++ are not thread safe as they involve multiple operations.
8 Answers
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Fragment onResume() & onPause() is not called on backstack
I have multiple fragment inside an activity. On a button click I am starting a new fragment, adding it to backstack. I naturally expected the onPause() method of current Fragment and onResume() of new Fragment to be called. Well it is not happening.
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How to use the TextWatcher class in Android?
Can anyone tell me how to mask the substring in EditText or how to change EditText substring input to password type or replace by another character like this 123xxxxxxxxx3455
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ExpandableListView - hide indicator for groups with no children
In an ExpandableListView , is there a way to hide the group indicator for groups with no children?
13 Answers
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How can I add numbers in a Bash script?
I have this Bash script and I had a problem in line 16.
How can I take the previous result of line 15 and add
it to the variable in line 16?
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