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Delete sql rows where IDs do not have a match from another table
...rong" is a bit strong. To make sure people understand, the answers do work if fileidis non-nullable. Also, the third solution (NOT IN) only requires that f.id by non-nullable. Presumably that is a primary key, so it would be.
– ToolmakerSteve
Sep 26 '16 at 7:42...
What is the purpose of a plus symbol before a variable?
...object. So in your particular case, it would appear to be predicating the if on whether or not d is a non-zero number.
Reference here. And, as pointed out in comments, here.
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Animate visibility modes, GONE and VISIBLE
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and it will animate changes automatically for you.
For information, if android:animateLayoutChanges="true" is used, then custom animation via anim xml will not work.
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How to add a string to a string[] array? There's no .Add function
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Array.Resize is the proper way to resize an array. If you add a comment before the code snippet saying it's rarely the best way to handle situations where the array represents a resizable collection you've got a +1. :)
– Sam Harwell
Sep ...
SVG: text inside rect
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This is not possible. If you want to display text inside a rect element you should put them both in a group with the text element coming after the rect element ( so it appears on top ).
<svg xmlns="http://www.w3.org/2000/svg">
<g&...
How to detect the physical connected state of a network cable/connector?
... Note that as Marco says below the interface must be up (even if not configured) to query these values.
– Jamie Kitson
Aug 25 '12 at 13:27
11
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What Makes a Good Unit Test? [closed]
... in the code, ensure that you test all key paths and scenarios.. Use tools if you must to know untested regions
Repeatable: Tests should produce the same results each time.. every time. Tests should not rely on uncontrollable params.
Independent: Very important.
Tests should test only one thing a...
How to add “on delete cascade” constraints?
...fkey
foreign key (gid)
references games(gid)
on delete cascade;
If you don't know the name of the foreign key constraint you want to drop, you can either look it up in pgAdminIII (just click the table name and look at the DDL, or expand the hierarchy until you see "Constraints"), or you c...
How do I view the list of functions a Linux shared library is exporting?
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Or if you only want to see exported symbols, add the "--defined-only" flag. eg: "nm -D --defined-only /lib/libtest.so"
– Shervin Emami
May 20 '13 at 18:10
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DialogFragment setCancelable property not working
...able(false);
newFragment.show(getFragmentManager(), "dialog");
}
and if you want to disable the out side touch around dialog use the following line of code
DialogFragment.getDialog().setCanceledOnTouchOutside(true);
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