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Property getters and setters
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In order to override setter and getter for swift variables use the below given code
var temX : Int?
var x: Int?{
set(newX){
temX = newX
}
get{
return temX
}
}
We need to keep the value of va...
Overriding a Rails default_scope
... you end up putting this in a class method like: def self.random; unscoped.order('rand()'); end unscoped removes ALL sql before it, not just what is listed under default_scope. While technically a correct answer, be careful using unstopped
– Schneems
Dec 25 '11...
How long do browsers cache HTTP 301s?
...'s cache can accommodate it. It will be removed from the cache if you manually clear the cache, or if the cache entries are purged to make room for new ones.
You can verify this at least in Firefox by going to about:cache and finding it under disk cache. It works this way in other browsers includi...
How to go back (ctrl+z) in vi/vim
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Android selector & text color
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In order to make it work on selection in a list view use the following code:
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true" android:color="#fff"/>
&...
How to make/get a multi size .ico file? [closed]
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I had all the images already, delivered by the artist for mac. All I had to do was open one of them in Gimp, and the choose "Open as layers.." on the remaining ones. All layers are automatically created in the correct size, export ...
Reading a binary file with python
...all, or you will read the wrong bits.
Reading the contents of the file in order to have something to unpack is pretty trivial:
import struct
data = open("from_fortran.bin", "rb").read()
(eight, N) = struct.unpack("@II", data)
This unpacks the first two fields, assuming they start at the very b...
str performance in python
...thod to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
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Versioning SQL Server database
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How do you work out which order to run the database scripts if you use the "one file per object" option?
– Jamie Kitson
Jan 27 '15 at 16:56
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How are VST Plugins made?
...though there are also a few settings which must be configured correctly in order to generate a valid plugin. You can also download a set of Xcode VST plugin project templates I made awhile back which can help you to write a working plugin on that platform.
As for AudioUnits, Apple has provided the...