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MySQL OPTIMIZE all tables?

MySQL has an OPTIMIZE TABLE command which can be used to reclaim unused space in a MySQL install. Is there a way (built-in command or common stored procedure) to run this optimization for every table in the database and/or server install, or is this something you'd have to script up yourself? ...
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PHPUnit assert that an exception was thrown?

...s->setExpectedException(InvalidArgumentException::class); //...and then add your test code that generates the exception exampleMethod($anInvalidArgument); } } expectException() PHPUnit documentation PHPUnit author article provides detailed explanation on testing exception...
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What's the magic of “-” (a dash) in command-line parameters?

... If you mean the naked - at the end of the tar command, that's common on many commands that want to use a file. It allows you to specify standard input or output rather than an actual file name. That's the case for your first and third example. For example, the cdrecord com...
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Splitting a Java String by the pipe symbol using split(“|”)

... You need test.split("\\|"); split uses regular expression and in regex | is a metacharacter representing the OR operator. You need to escape that character using \ (written in String as "\\" since \ is also a metacharacter in String literals and require another \ to escape it). You...
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AngularJS - placeholder for empty result from filter

... The problem is that the "Nothing here!" part is shown and hidden really quickly. When you get data with an ajax request there is an delay before the returned data is shown and in that time you can see the "Nothing here!" part appear and disappear. – Temega ...
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Find and Replace text in the entire table using a MySQL query

...abase using phpmyadmin. I'm tired of it now, how can I run a query to find and replace a text with new text in the entire table in phpmyadmin? ...
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How to set environment variables from within package.json

... variables from within package.json to be used with npm start like commands? 14 Answers ...
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AngularJS check if form is valid in controller

...ered Nov 13 '14 at 16:28 DamsorianDamsorian 1,41422 gold badges1212 silver badges77 bronze badges ...
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How can I wrap text to some length in Vim?

...wer)). Then you can reformat your text by highlighting it (in visual mode) and typing gq. (textwidth can be abbreviated as tw, thus :set tw=30.) Option 2 can be toggled by running :set wrap / :set nowrap. This will wrap lines which are too long for the window. Both are independent. ...
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Is it good practice to NULL a pointer after deleting it?

I'll start out by saying, use smart pointers and you'll never have to worry about this. 18 Answers ...