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Test whether a glob has any matches in bash
If I want to check for the existence of a single file, I can test for it using test -e filename or [ -e filename ] .
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What is the use of printStackTrace() method in Java?
I am going through a socket program. In it, printStackTrace is called on the IOException object in the catch block.
What does printStackTrace() actually do?
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CASCADE DELETE just once
... I want to do a few cascading deletes. However, the tables aren't set up with the ON DELETE CASCADE rule. Is there any way I can perform a delete and tell Postgresql to cascade it just this once? Something equivalent to
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How to save CSS changes of Styles panel of Chrome Developer Tools?
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You can save your CSS changes from Chrome Dev Tools itself. Chrome now allows you to add local folders to your Workspace. After allowing Chrome access to the folder and adding the folder to the local workspace, you can map a web resource to a local resource.
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
...es stopped working as Chrome de-activated the now depracated ADB plugin as it's built in dev-tools now.
I downloaded the SDK and followed the instructions at Chrome Developers. How ever I found the instructions served by Alphonso out not to be sufficient and I did it this way on Windows 8:
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PHP abstract properties
...are properties because they are containers of data reserved in memory on initialization.
A function on the other hand can be declared (types, name, parameters) without being defined (function body missing) and thus, can be made abstract.
"Abstract" only indicates that something was declared but n...
Determining if an Object is of primitive type
I have an Object[] array, and I am trying to find the ones that are primitives. I've tried to use Class.isPrimitive() , but it seems I'm doing something wrong:
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Create a table without a header in Markdown
Is it possible to create a table without a header in Markdown?
11 Answers
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Why is my Spring @Autowired field null?
...ring doesn't know about the copy of MileageFeeCalculator that you created with new and didn't know to autowire it.
The Spring Inversion of Control (IoC) container has three main logical components: a registry (called the ApplicationContext) of components (beans) that are available to be used by the...
Visual Studio: How do I show all classes inherited from a base class?
In Visual Studio, How do I show all classes inherited from a base class?
19 Answers
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