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Is the primary key automatically indexed in MySQL?
... when talking about database architecture/performance always advise SQL newcomers to "make sure their database is properly indexed"?
– tim peterson
Mar 7 '13 at 10:23
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Find which version of package is installed with pip
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As of pip 1.3, there is a pip show command.
$ pip show Jinja2
---
Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe
In older versions, pip freeze and grep should do the job nicely.
$ pip freeze | gre...
Is there a way to filter network requests using Google Chrome developer tools?
...can't just exclude images, but it should help.
You can also press Control/Command+F to search for a particular string in the request list, and check the "filter" box to hide requests that don't match:
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How to export JavaScript array info to csv (on client side)?
... else facing this issue too? Is there any upper limit of data on encodeURIComponent() function or something? I am using Chrome as the browser.
– Abhidemon
Jul 12 '16 at 10:23
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Set custom HTML5 required field validation message
...tion, here is a nice configurable snippet I came up with:
/**
* @author ComFreek <https://stackoverflow.com/users/603003/comfreek>
* @link https://stackoverflow.com/a/16069817/603003
* @license MIT 2013-2015 ComFreek
* @license[dual licensed] CC BY-SA 3.0 2013-2015 ComFreek
* You MU...
Android Studio: Where is the Compiler Error Output Window?
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One thing you can do is deactivate the external build. To do so click on "compiler settings icon" in the "Messages Make" panel that appears when you have an error. You can also open the compiler settings by going to File -> Settings -> Compiler. (Thanx to @maxgalbu for this tip).
Uncheck "...
Open another application from your own (intent)
...e
Finally, create another intent with with category=LAUNCHER, action=MAIN, componentName = new ComponentName(packageName, name) and setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
Finally, context.startActivity(newIntent)
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jQuery UI sliders on touch devices
...g jQuery UI, and there are several elements on my site that appear to be incompatible when viewed on touchscreen devices; they don't cause any errors, but the behavior is not what it should be.
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Nginx no-www to www and www to no-www
... for example.org":
server {
listen 80;
server_name example.com;
return 301 http://www.example.com$request_uri;
}
server {
listen 80;
server_name www.example.com;
...
}
HTTPS Solution
For those who want a solution including https://...
server {
...
How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
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developer.android.com has nice example code for this:
https://developer.android.com/guide/topics/providers/document-provider.html
A condensed version to just extract the file name (assuming "this" is an Activity):
public String getFileName(U...