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If I revoke an existing distribution certificate, will it mess up anything with existing apps?
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Python, remove all non-alphabet chars from string
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This answer could use lots more explanation and links to relevant documentation.
– pdoherty926
Feb 27 at 19:37
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Display a tooltip over a button using Windows Forms
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nice, but a question: if I have more than one button in a form, I need more tooltip or I can set multiple descriptions and buttons for the same tooltip?
– ghiboz
Apr 23 '14 at 17:24
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getting type T from IEnumerable
... .Select(t => t.GetGenericArguments()[0]);
}
Some objects implement more than one generic IEnumerable so it is necessary to return an enumeration of them.
Edit: Although, I have to say, it's a terrible idea for a class to implement IEnumerable<T> for more than one T.
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remove objects from array by object property
... Or if you get confused by the tilde on last line, you might find this more clear: (removeIndex >= 0) && array.splice(removeIndex, 1);
– wojjas
Oct 11 '16 at 10:42
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Is it possible to embed animated GIFs in PDFs?
...gn works. But Quicktime on my iMac refuses to open GIF files. Can you give more details about that part... what version of Quicktime are you using?
– peacetype
Mar 27 '18 at 10:43
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jQuery: Select data attributes that aren't empty?
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185
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?: operator (the 'Elvis operator') in PHP
...r to foo if foo is null or falsey, else it will leave foo unchanged.
Some more examples:
<?php
var_dump(5 ?: 0); // 5
var_dump(false ?: 0); // 0
var_dump(null ?: 'foo'); // 'foo'
var_dump(true ?: 123); // true
var_dump('rock' ?: 'roll'); // 'rock'
?>
By the way, it's ca...
What is the difference between git clone and checkout?
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Light weight alternative to Hibernate? [closed]
...In a personal project, I used MyBatis (what a terrible name). It was much more work than Hibernate. Hibernate really saves a lot of SQL coding and helps with parent-child relationships. I also looked at a few ActiveRecord style ORM's for Java. None seemed mature or any easier than Hibernate. So...