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How can I check if a command exists in a shell script? [duplicate]
I am writing my first shell script. In my script I would like to check if a certain command exists, and if not, install the executable. How would I check if this command exists?
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Prevent direct access to a php include file
I have a php file which I will be using as exclusively as an include. Therefore I would like to throw an error instead of executing it when it's accessed directly by typing in the URL instead of being included.
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How to split a delimited string into an array in awk?
How to split the string when it contains pipe symbols | in it.
I want to split them to be in array.
9 Answers
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How to configure Visual Studio to use Beyond Compare
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In Visual Studio, go to the Tools menu, select Options, expand Source Control, (In a TFS environment, click Visual Studio Team Foundation Server), and click on the Configure User Tools button.
Click the Add button.
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Android: how to handle button click
Having a solid experience in non-Java and non-Android area, I'm learning Android.
10 Answers
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Difference between File.separator and slash in paths
What is the difference between using File.separator and a normal / in a Java Path-String?
14 Answers
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How to set time zone of a java.util.Date?
I have parsed a java.util.Date from a String but it is setting the local time zone as the time zone of the date object.
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Where do I set my company name?
When creating new source files xcode adds comments with your name and company name.
14 Answers
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How to debug Angular JavaScript Code
I am working on a proof of concept using Angular JavaScript.
13 Answers
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Emulate a do-while loop in Python?
I need to emulate a do-while loop in a Python program. Unfortunately, the following straightforward code does not work:
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