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Long-lasting FB access-token for server to pull FB page info

... for the page you'll be pulling info from Lint the token to see that it is set to Expires: Never! That should do it. You should now have a Facebook Page Access Token that doesn't expire, unless: You change your Facebook account password You lose admin access for the target page You delete or de-...
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Twitter image encoding challenge [closed]

.... Then it converts that into a base of whatever the size of the character set available is. By default, it makes full use of the assigned unicode character set, minus the less than, greater than, ampersand, control, combining, and surrogate and private characters. It's not pretty but it works. Y...
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How to set environment variables in Python?

I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set. ...
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate

...n validation annotations like @NotNull to ensure, that bean properties are set to a none-null value, when validating java beans in the JVM (this has nothing to do with database constraints, but in most situations should correspond to them). You should additionally use the JPA annotation like @Colum...
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float:left; vs display:inline; vs display:inline-block; vs display:table-cell;

...hod for removing the whitespace that display:inline-block creates, you can set the font-size to 0 on the container element, then set the desired for the inline elements themselves. This avoids to need to remove whitespace in the html – AlexMorley-Finch Mar 31 '...
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What is “git remote add …” and “git push origin master”?

... own internal transport protocol, which is optimised for sending git changesets around. As for the exact URL, it's the way it is because of the way github has set up its git server. Now the verbosity. The command you've typed is the general one. It's possible to tell git something like "the branch c...
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How best to determine if an argument is not sent to the JavaScript function

... There are significant differences. Let's set up some test cases: var unused; // value will be undefined Test("test1", "some value"); Test("test2"); Test("test3", unused); Test("test4", null); Test("test5", 0); Test("test6", ""); With the first method you describe...
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How to check the version of GitLab?

...as any user, select the user icon in the upper right of the screen. Select Settings > Access Tokens. Create a personal access token and copy it to your clipboard. In a Linux shell, use curl to access the GitLab version: curl --header "PRIVATE-TOKEN: personal-access-token" your-gitlab-url/api/v4...
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Windows Forms - Enter keypress activates submit button?

... If you set your Form's AcceptButton property to one of the Buttons on the Form, you'll get that behaviour by default. Otherwise, set the KeyPreview property to true on the Form and handle its KeyDown event. You can check for the En...
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argparse: identify which subparser was used [duplicate]

...etermine 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 added calls to set_defaults() to your code: import argparse parser = argparse.ArgumentParser( version='pyargparsetest 1.0' ) subparsers = ...