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Multiple github accounts on the same computer?
Trying to work on my both my actual "work" repos, and my personal repos on git hub, from my computer.
24 Answers
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How do I query if a database schema exists
...ase update script as we deploy code to 4 different environments. Further, since the same query will get added to until we drop a release into production it has to be able to run multiple times on a given database. Like this:
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Adding a new array element to a JSON object
I have a JSON format object I read from a JSON file that I have in a variable called teamJSON, that looks like this:
6 Answ...
How to analyze a java thread dump?
I am trying to understand more about java, especially about memory management and threads.
For this reason I have recently found interest in looking at thread dumps.
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How can I change an element's text without changing its child elements?
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Mark’s got a better solution using jQuery, but you might be able to do this in regular JavaScript too.
In Javascript, the childNodes property gives you all the child nodes of an element, including text nodes.
So, if you knew the text you wanted to change...
How to get distinct values for non-key column fields in Laravel?
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You should use groupby. In Query Builder you can do it this way:
$users = DB::table('users')
->select('id','name', 'email')
->groupBy('name')
->get();
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Add Foreign Key to existing table
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To add a foreign key (grade_id) to an existing table (users), follow the following steps:
ALTER TABLE users ADD grade_id SMALLINT UNSIGNED NOT NULL DEFAULT 0;
ALTER TABLE users ADD CONSTRAINT fk_grade_id FOREIGN KEY (grade_id) REFERENCES grades(id);
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Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
I've searched around for many hours on end looking to a solution to my seemingly easy-to-fix problem. It's not that my search turned up nothing, it's that my search turned up so many different solutions -none of which have worked.
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MySQL COUNT DISTINCT
I'm trying to collect the number of distinct visits in my cp yesterday, then count them.
3 Answers
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Draw in Canvas by finger, Android
I need to build a project for drawing on canvas by fingers,
6 Answers
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