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JOIN queries vs multiple queries
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Did a quick test selecting one row from a 50,000 row table and joining with one row from a 100,000 row table. Basically looked like:
$id = mt_rand(1, 50000);
$row = $db->fetchOne("SELECT * FROM table1 WHERE id = " . $id);
$row = $db-...
JavaScript and Threads
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Google Gears WorkerPool Demo (not a good example as it runs too fast to test in Chrome and Firefox, although IE runs it slow enough to see it blocking interaction)
IE8 and IE9 can only do threads with the Gears plugin installed
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Hand Coded GUI Versus Qt Designer GUI [closed]
...oth provide this feature). This means that you can make layout changes and test them without recompiling.
Ultimately, I think both raw code and UI tools can be effective. It probably depends a lot on the environment, the toolkit/UI-tool, and of course personal preference. I like UI tools because ...
How do I create an HTML table with a fixed/frozen left column and a scrollable body?
...n stickying the columns. Works great on Chrome, Safari and Firefox. Didn't test it on other browsers.
– nir shabi
Jul 16 at 8:41
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Java - JPA - @Version annotation
...plain SQL statements are also in use (at least during unit and integration testing).
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Grasping the Node JS alternative to multithreading
...module is not multithreaded. Your information is false. I suggest to try a test configuration and you will see. It is a factual thing, not matter of debate, try it and you will see.
– peterh - Reinstate Monica
Apr 21 '17 at 7:55
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URL Encode a string in jQuery for an AJAX request
...ription, when you pass params directly other than URL hardcoded.
I already tested several chars i even sent an URL(this one http://www.ihackforfun.eu/index.php?title=update-on-url-crazy&more=1&c=1&tb=1&pb=1) as a parameter and had no issue at all even though encodeURIComponent works ...
Best ways to teach a beginner to program? [closed]
...;> from turtle import *
>>> setup()
>>> title("turtle test")
>>> clear()
>>>
>>> #DRAW A SQUARE
>>> down() #pen down
>>> forward(50) #move forward 50 units
>>> right(90) #turn right 90 degrees
>>> forwar...
git: Apply changes introduced by commit in one repo to another repo
...bjects borrowed from second repository in original repository storage
Not tested.
A not so hacky solution is to follow knittl answer:
Go to second repository you want to copy commits from, and generate patches from commits you want with git format-patch
Optionally, copy patches (0001-* etc.) t...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
... this:
On Heroku, we run multiple Production environments for staging and testing, so we need a flexible solution for the production.rb environment file.
In production.rb
config.action_mailer.default_url_options = { :host => ENV['MAILER_URL'] }
Then set the MAILER_URL environment variable fo...