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implements Closeable or implements AutoCloseable
...ocess of learning Java and I cannot find any good explanation on the implements Closeable and the implements AutoCloseable interfaces.
...
How do I move a redis database from one server to another?
...er running BGSAVE or SAVE from the command line. This will create a file named dump.rdb in the same folder as your redis server. See a list of all server commands.
Copy this dump.rdb to the other redis server you want to migrate to. When redis starts up, it looks for this file to initialize the dat...
How do I make a dotted/dashed line in Android?
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MISCONF Redis is configured to save RDB snapshots
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In case you encounter the error and some important data cannot be discarded on the running redis instance (problems with permissions for the rdb file or its directory incorrectly, or running out of disk space), you can always redirect the rdb file to be written s...
What are some good Python ORM solutions? [closed]
...r) that talks to a Python web service on the back-end. So, I really need something fast and lightweight on the back-end that I can implement using Python that then speaks to the PostgreSQL DB via an ORM (JSON to the browser).
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How do I syntax check a Bash script without running it?
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bash -n scriptname
Perhaps an obvious caveat: this validates syntax but won't check if your bash script tries to execute a command that isn't in your path, like ech hello instead of echo hello.
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How to print register values in GDB?
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Same problem: %eax is in the code, yet print $eax shows void.
– Ruslan Yushchenko
Oct 8 '12 at 16:42
5
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Callback after all asynchronous forEach callbacks are completed
...that gets updated in the callback. Depending on the value of the index parameter does not provide the same guarantee, because the order of return of the asynchronous operations is not guaranteed.
Using ES6 Promises
(a promise library can be used for older browsers):
Process all requests guarante...
Laravel Migration Change to Make a Column Nullable
...l 5 now supports changing a column; here's an example from the offical documentation:
Schema::table('users', function($table)
{
$table->string('name', 50)->nullable()->change();
});
Source: http://laravel.com/docs/5.0/schema#changing-columns
Laravel 4 does not support modifying colu...
check if jquery has been loaded, then load it if false
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Maybe something like this:
<script>
if(!window.jQuery)
{
var script = document.createElement('script');
script.type = "text/javascript";
script.src = "path/to/jQuery";
document.getElementsByTagName('head')[0].appen...