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How to detect if my shell script is running through a pipe?

How do I detect from within a shell script if its standard output is being sent to a terminal or if it's piped to another process? ...
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When to use StringBuilder in Java [duplicate]

...gBuilder (not StringBuffer) instead of a String, because it is much faster and consumes less memory. If you have a single statement, String s = "1, " + "2, " + "3, " + "4, " ...; then you can use Strings, because the compiler will use StringBuilder automatically. ...
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Java: Multiple class declarations in one file

...ed type (which I would otherwise agree with): if the main class is generic and the type parameter is the second class, the second class can't be nested. And if the two classes are tightly coupled (like PublicClass and PrivateImpl in the question), I think it's a good idea to put PrivateImpl as a top...
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Why are you not able to declare a class as static in Java?

...the same topic : Java: Static vs non static inner class Java inner class and static nested class share | improve this answer | follow | ...
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What are the git concepts of HEAD, master, origin?

...m learning about git, I keep coming across the terms HEAD, master, origin, and I'm not sure what the differences are. If I understand correctly, HEAD is always equal to the latest revision? And if so, is that the latest revision of the whole repository, or of a specific branch or tag? This is so con...
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How can you encode a string to Base64 in JavaScript?

... You can use btoa() and atob() to convert to and from base64 encoding. There appears to be some confusion in the comments regarding what these functions accept/return, so… btoa() accepts a “string” where each character represents an 8-b...
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How to define a circle shape in an Android XML drawable file?

...problems finding the documentation of the definitions of shapes in XML for Android. I would like to define a simple circle filled with a solid color in an XML File to include it into my layout files. ...
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How do I get the current GPS location programmatically in Android?

...xample source code is in Get Current Location coordinates , City name - in Android. See how it works: All we need to do is add this permission in the manifest file: <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> And create a LocationManager instance like this...
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Show a popup/message box from a Windows batch file

... I would make a very simple VBScript file and call it using CScript to parse the command line parameters. Something like the following saved in MessageBox.vbs: Set objArgs = WScript.Arguments messageText = objArgs(0) MsgBox messageText Which you would call like: ...
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Display current date and time without punctuation

For example, I want to display current date and time as the following format: 5 Answers ...