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Postgres and Indexes on Foreign Keys and Primary Keys
...determine if the benefit of an index surpasses its cost? Do I profile unit tests before/after adding an index and check for an overall performance gain? Or is there a better way?
– Gili
Nov 25 '14 at 5:00
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python: Change the scripts working directory to the script's own directory
...ns separated from each other so you can fall back to previous versions and test future versions.
Bottom line: Do not mingle code and data.
Data is precious. Code comes and goes.
Provide the working directory as a command-line argument value. You can provide a default as an environment variable....
Convert a PHP script into a stand-alone windows executable
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@Tom: sure, there's a new version and if you feel like testing it I can give you a download link. (No malware, I promise.) It's actually a lot better now and it's php 7.2, plus I think it will be capable of handling other languages. My gmail is kellnerdenes.
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...ultiple versions of packages around, and you can enable or disable them to test things out. Sometimes this list can get corrupted and you have to manually edit it to get things back in order, although this is not too hard.
Both package managers will ask to be regularly updated. This can take some t...
How does mockito when() invocation work?
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Not the answer you're looking for? Browse other questions tagged unit-testing mocking mockito or ask your own question.
Adding asterisk to required fields in Bootstrap 3
...text after the checkbox has */
content:"*";
color:red;
}
Note: not tested
You should use the .text class or target it otherwise probably, try this html:
<div class="form-group required">
<label class="col-md-2 control-label">&#160;</label>
<div class="col-md-...
How does a garbage collector avoid an infinite loop here?
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@MichaelB: I've tested this as well (see comment below). It waits for five second and then terminates. I guess the finalizer of the first P instance simply timed out.
– Willem Van Onsem
Jul 9 '14 at 20:...
Get Base64 encode file-data from Input Form
...hods:
Convert to string and use the built-in btoa or similar
I haven't tested all cases, but works for me- just get the char-codes
Convert directly from a Uint8Array to base64
I recently implemented tar in the browser. As part of that process, I made my own direct Uint8Array->base64 imple...
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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