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PostgreSQL disable more output

... 251 To disable pagination but retain the output, use: \pset pager off To remember this setting,...
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How do I tar a directory of files and folders without including the directory itself?

... 238 cd my_directory/ && tar -zcvf ../my_dir.tgz . && cd - should do the job in ...
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Why modelVersion of pom.xml is necessary and always set to 4.0.0?

... It is always set to 4.0.0 in Maven 2 and 3, because, at present, there is no other model. Notice that modelVersion contains 4.0.0. That is currently the only supported POM version, and is always required. [source] But it wouldn't necessarily need to alwa...
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C/C++ check if one bit is set in, i.e. int variable

... 21 Answers 21 Active ...
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection

... // try several threshold levels const int threshold_level = 2; for (int l = 0; l < threshold_level; l++) { // Use Canny instead of zero threshold level! // Canny helps to catch squares with gradient shading if (l == 0) ...
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How do I rename a column in a database table using SQL?

...statement: => SELECT * FROM Test1; id | foo | bar ----+-----+----- 2 | 1 | 2 => ALTER TABLE Test1 RENAME COLUMN foo TO baz; ALTER TABLE => SELECT * FROM Test1; id | baz | bar ----+-----+----- 2 | 1 | 2 ...
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Remove local git tags that are no longer on the remote repository

...at returns a list of hashes and friendly tag names, like: 94bf6de8315d9a7b22385e86e1f5add9183bcb3c refs/tags/v0.1.3 cc047da6604bdd9a0e5ecbba3375ba6f09eed09d refs/tags/v0.1.4 ... 2f2e45bedf67dedb8d1dc0d02612345ee5c893f2 refs/tags/v0.5.4 You could certainly put together a bash ...
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How do I scroll to an element within an overflowed Div?

I have 20 list items inside of a div that can only show 5 at a time. What is a good way to scroll to item #10, and then item #20? I know the height of all the items. ...
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How do I raise a Response Forbidden in django

... Maxime Lorant 26.6k1616 gold badges7878 silver badges8686 bronze badges answered Jul 8 '11 at 1:20 Ignacio Vazquez-...
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Laravel orderBy on a relationship

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