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Instance variable: self vs @
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I have once read a book in rails and don't understand the difference between this self and @, so I should always use self.var_name in my methods (that doesn't setter and getter) to make my data using public interface, I spent time defining it in getter and s...
What is so bad about singletons? [closed]
.... I still use quite a lot of singletons, especially for factory classes , and while you have to be a bit careful about multithreading issues (like any class actually), I fail to see why they are so awful.
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How to call any method asynchronously in c#
...ibrary in .Net 4. It's much, much nicer than using BeginInvoke/EndInvoke, and gives a clean way to fire-and-forget for async jobs:
using System.Threading.Tasks;
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void Foo(){}
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new Task(Foo).Start();
If you have methods to call that take parameters, you can use a lambda to simplify the call...
Is there a HTML opposite to ?
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Not allowed in the xhtml standard at least.
– Dykam
Aug 4 '09 at 19:56
29
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How to animate the change of image in an UIImageView?
...mageView with an image. Now I have a completely new image (graphic file), and want to display that in this UIImageView . If I just set
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sed command with -i option failing on Mac, but works on Linux
I've successfully used the following sed command to search/replace text in Linux:
12 Answers
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Python pip install fails: invalid command egg_info
... edited Jun 5 '14 at 10:33
evandrix
5,36333 gold badges2525 silver badges3232 bronze badges
answered Jul 11 '12 at 5:01
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Method Resolution Order (MRO) in new-style classes?
...lasses to demonstrate how methods are resolved in classic resolution order and
how is it different with the new order.
4...
Update built-in vim on Mac OS X
...his line to your .bashrc or .profile:
alias vim='/path/to/your/own/vim'
and/or change your $PATH so that it looks into its location before the default location.
The best thing to do, in my opinion, is to simply download the latest MacVim which comes with a very complete vim executable and use it...
Android disable screen timeout while app is running
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@Jayesh: You can create a baseActivity and write this code in onCreate Method and extend all activity from baseActivity.
– maryam
Apr 16 '19 at 16:30
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