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Ignoring time zones altogether in Rails and PostgreSQL
...m the Postgres epoch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(EPOCH FROM timestamptz).
The source code:
* Timestam...
Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved
...caches might be corrupt (this used to happen a lot more often than it does now); in that case, regenerate them by
Clicking File -> Invalidate Caches and restarting the IDE
(though loading the project will take a while while the caches are recreated).
...
Color Tint UIButton Image
...bute inspector of the image set the value render as to "Template Image"
Now whenever you setbutton.tintColor = UIColor.red you button will be shown in red.
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How to force the browser to reload cached CSS/JS files?
...cess:
RewriteEngine on
RewriteRule ^(.*)\.[\d]{10}\.(css|js)$ $1.$2 [L]
Now, we write the following PHP function:
/**
* Given a file, i.e. /css/base.css, replaces it with a string containing the
* file's mtime, i.e. /css/base.1221534296.css.
*
* @param $file The file to be loaded. Mus...
What is the most appropriate way to store user settings in Android application
...at github.com/RightHandedMonkey/WorxForUs_Library/blob/master/src/…. It now handles migrating a non-encrypted preferences to the encrypted one. Also it generates the key at runtime, so decompiling the app does not release the key.
– RightHandedMonkey
Apr 23...
Any shortcut to initialize all array elements to zero?
... a container object that holds a fixed number of values of a single type.
Now the Type of array for you is int so consider the default value for all array elements will be automatically 0 Because it is holding int type.
Now consider the array for String type so that all array elements has default ...
What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
...FBundleShortVersionString are set then the CFBundleShortVersionString must now me the public version number, e.g. 1.0. And now the CFBundleVersion changes to be the build number, which is normally a single integer e.g. 374629. Hopefully this clears it up.
– malhal
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How to change the name of an iOS app?
...an an iPhone project the other day with a silly development code name, and now I want to change the name of the project since it's nearly finished.
...
How can I find out the current route in Rails?
I need to know the current route in a filter in Rails. How can I find out what it is?
13 Answers
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android View not attached to window manager
... thread which survives the activity restart and may hold references to the now dead Activity and its Views (this is a effectively a memory leak, albeit probably a short term one - depends how long the task takes to complete). The solution above works fine, if you're happy to accept a short term mem...