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Why can't R's ifelse statements return vectors?

...urns a value with the same shape as test which is filled with elements selected from either yes or no depending on whether the element of test is TRUE or FALSE. Since you are passing test values of length 1, you are getting results of length 1. If you pass longer test vectors, you will get...
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PHP date yesterday [duplicate]

...ands ISO8601 for time intervals, but date() doesn't. At the end of course: Select the one you better fit your needs :) – KingCrunch Apr 12 '12 at 8:19 ...
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How do I install jmeter on a Mac?

...nal. x.x.x is the version you use. Finally, when started you may want to select System Look and feel for Mac OSX better integration. Menu > Options > Look and Feel > System share | improv...
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jquery IDs with spaces

Does anyone know how to select an item in the DOM by ID with jQuery, when that ID has a space? 11 Answers ...
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Redirecting from HTTP to HTTPS with PHP

...uestion when I searched for “php redirect http to https”. However, the selected answer didn’t work for me. After some trial and error, I discovered that with IIS, $_SERVER['HTTPS'] is set to off for non-TLS connections. I thought the following code should help any other IIS users who come to...
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How to remove all of the data in a table using Django

... /admin/dc_dash/model_4/ relation "dc_dash_model_4" does not exist LINE 1: SELECT COUNT(*) AS "__count" FROM "dc_dash_model_4" Do consider that - if we do not go to the ADMIN Console and try and see objects of the model - which have been already deleted - the Django app works just as intended. ...
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How to view the contents of an Android APK file?

...It's shipped with Android Studio now. Just go to Build/Analyze APK... then select your APK :) share | improve this answer | follow | ...
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java: (String[])List.toArray() gives ClassCastException

... Please! Format your code! Select all of it at press "ctrl + k", or add " ` " before the first letter of code and at the last one another one. You can also select "{}" in the help at the top when writing the answer! – M.K ...
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jQuery, get html of a whole element [duplicate]

I wish to get the entire html of a selected element not just it's contents. .html() uses javascripts innerHTML() method according to the documentation. HTML: ...
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argparse: identify which subparser was used [duplicate]

...l "only contain attributes for the main parser and the sub parser that was selected". Unfortunately this may not be enough information to determine which sub parser was used. The documentation recommends using the set_defaults(...) method on the sub parser to solve this problem. For example, I've a...