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Verify version of rabbitmq
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sudo rabbitmqctl status
and look for line that looks like that:
{rabbit,"RabbitMQ","2.6.1"},
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Objective-C Runtime: best way to check if class conforms to protocol?
I have a Class (but no instance) and need to know if it conforms to a certain protocol. However, Class can be subclassed several times and class_conformsToProtocol() ignores protocols declared on superclasses.
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How do I prevent the padding property from changing width or height in CSS?
...ed Feb 10 '17 at 5:59
Abhishek Pandey
11.2k88 gold badges2828 silver badges5454 bronze badges
answered Aug 20 '12 at 8:58
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Prevent text selection after double click
I'm handling the dblclick event on a span in my web app. A side-effect is that the double click selects text on the page. How can I prevent this selection from happening?
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Migration: Cannot add foreign key constraint
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Add it in two steps, and it's good to make it unsigned too:
public function up()
{
Schema::create('priorities', function($table) {
$table->increments('id', true);
$table->integer('user_id')->unsigned();
$tabl...
Can I concatenate multiple MySQL rows into one field?
...048;
Of course, you can change 2048 according to your needs. To calculate and assign the value:
SET group_concat_max_len = CAST(
(SELECT SUM(LENGTH(hobbies)) + COUNT(*) * LENGTH(', ')
FROM peoples_hobbies
GROUP BY person_id)
AS UNSIGNED
);
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How to disable an input type=text?
...nd that browsers are free to ignore the "disabled" or "readonly" attribute and this method shouldn't be relied on to reliably keep the data from being updated ... if the server-side code processing the form will still accept a value from that field and update it, anyone with enough savvy to create t...
passport.js passport.initialize() middleware not in use
I am using node with express + mongoose and trying to use passport.js with restful api.
I keep getting this exception after authentication success (I see the callback url on the browser):
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How can I change a file's encoding with vim?
...xt
So you should be able to change the encoding as part of the write command.
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How to find out if an installed Eclipse is 32 or 64 bit version?
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Hit Ctrl+Alt+Del to open the Windows Task manager and switch to the processes tab.
32-bit programs should be marked with *32.
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