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How do I create delegates in Objective-C?
...ign it as the web view's delegate:
MyClass *instanceOfMyClass = [[MyClass alloc] init];
myWebView.delegate = instanceOfMyClass;
On the UIWebView side, it probably has code similar to this to see if the delegate responds to the webViewDidStartLoad: message using respondsToSelector: and send it if ...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything.
NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...
Position of least significant bit that is set
...is very slow compared to multiplication on modern hardware. So I wouldn't call it a better solution.
– Apriori
Mar 28 '14 at 1:37
2
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add created_at and updated_at fields to mongoose schemas
...ongoose schema, without having to pass them in everytime new MyModel() is called?
19 Answers
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How to delete a character from a string using Python
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M might not be unique. In that case, this will replace all the Ms, right?
– Lazer
Aug 24 '10 at 18:21
14
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Changing default encoding of Python?
...on ASCII being the default (this code can be third-party, which would generally make fixing it impossible or dangerous).
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How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?
I want to be able to connect to a PostgreSQL database and find all of the functions for a particular schema.
9 Answers
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What does “program to interfaces, not implementations” mean?
...t worried about implementation and the interface signature determines what all operations can be done. This can be used to change the behavior of a program at run-time. It also helps you to write far better programs from the maintenance point of view.
Here's a basic example for you.
public enum La...
Cross-Domain Cookies
...erver side you need to have the following headers:
header("Access-Control-Allow-Origin: http://origin.domain:port");
header("Access-Control-Allow-Credentials: true");
header("Access-Control-Allow-Methods: GET, POST");
header("Access-Control-Allow-Headers: Content-Type, *");
Within the PHP-file yo...
Using GPU from a docker container?
...the following environment:
Ubuntu 14.04
CUDA 6.5
AWS GPU instance.
Install nvidia driver and cuda on your host
See CUDA 6.5 on AWS GPU Instance Running Ubuntu 14.04 to get your host machine setup.
Install Docker
$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D786...