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What is the PostgreSQL equivalent for ISNULL()

...SE WHEN field IS NULL THEN 'Empty' ELSE field END AS field_alias Or more idiomatic: SELECT coalesce(field, 'Empty') AS field_alias share | improve this answer | follow ...
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What is the proper #include for the function 'sleep()'?

...h> under the #include <stdio.h> part. This is supposed to get rid of the warning that says "Implicit declaration of function 'sleep' is invalid in C99". But for some reason after I put #include <stdlib.h> , the warning does not go away.. This problem does not stop the program from...
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.gitignore exclude files in directory but not certain directories

... you can put a .gitignore file in each of it (like mipadi said) or make something like that on your root .gitingnore file /assets/*/ /assets/*.* it works fine for me share | impro...
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How should I write tests for Forms in Django?

...st the form and not the view where the form is rendered. Example to get an idea: from django.test import TestCase from myapp.forms import MyForm class MyTests(TestCase): def test_forms(self): form_data = {'something': 'something'} form = MyForm(data=form_data) self.asse...
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AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?

...g-init="rootFolders='Bob'") works fine. – Kaizar Laxmidhar Sep 11 '14 at 13:24 And how do I set the default value if I...
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What is the difference between “Include Directories” and “Additional Include Directories”

...but points out that you should now change it in your project settings. A side-effect of the build engine overhaul in VS2010, enabling building with msbuild. Removing the per-project settings would have been logical but that would break too many existing projects. As such, it is probably best to t...
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How can I list (ls) the 5 last modified files in a directory?

... Which platform/version do you refer to? Can you provide a link? Looking at the linux man-page yields the opposite of what you state: -t sort by modification time, newest first – Joma Sep 8 '16 at 21:35 ...
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Wait until all jQuery Ajax requests are done?

How do I make a function wait until all jQuery Ajax requests are done inside another function? 20 Answers ...
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Why start a shell command with a backslash?

...the first line of this function is ` \cd "$@"`. – David W. Mar 28 '13 at 21:33 1 It's worth notin...
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How to add \newpage in Rmarkdown in a smart way?

... add echo = FALSE to the knitr opts to avoid to get the statement cat('\\pagebreak') in the output file. – Akronix Dec 14 '18 at 12:17 ...