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Understanding reference counting with Cocoa and Objective-C
...l retain explicitly, and then explicitly release it when you're done.
Consider the following (very contrived) bit of code, and you'll see a situation where autorelease is required:
- (NSString*)createHelloWorldString
{
NSString* s = [[NSString alloc] initWithString:@"Hello World"];
// Now...
How to disable HTML links
I have a link button inside a <td> which I have to disable. This works on IE but not working in Firefox and Chrome.
Structure is - Link inside a <td> . I cannot add any container in the <td> (like div/span)
...
What are some uses of decltype(auto)?
In c++14 the decltype(auto) idiom is introduced.
2 Answers
2
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CSS content property: is it possible to insert HTML instead of Text?
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got it thanks, so I think I will have to pass this idea and go straight to js, cheers
– zanona
Dec 22 '10 at 0:25
6
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What are the best practices for JavaScript error handling?
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An immensely interesting set of slides on Enterprise JavaScript Error Handling can be found at http://www.devhands.com/2008/10/javascript-error-handling-and-general-best-practices/
In short it summarizes:
Assume your code will fail
Log errors to the server...
Why is my Git Submodule HEAD detached from master?
...
EDIT:
See @Simba Answer for valid solution
submodule.<name>.update is what you want to change, see the docs - default checkout
submodule.<name>.branch specify remote branch to be tracked - default master
OLD ANSWER:
Personally I h...
What is the purpose of mock objects?
...s the cook returns the correct dish for each order.
Its harder to test a middle component, like the waiter, that utilizes the behavior of other components. A naive tester might test the waiter component the same way we tested the cook component:
cook <- waiter <- test driver
The test driv...
What exactly does the post method do?
...hich implements Runnable.
getView().post(new Runnable() {
@Override
public void run() {
getView().startAnimation(a);
}
});
code : getView().startAnimation(a);
in your code,
post causes the Runnable (the code will be run a in different thread) to ad...
How to use concerns in Rails 4
...cept. It has to do with code reuse as in the example below. Basically, the idea is to extract common and / or context specific chunks of code in order to clean up the models and avoid them getting too fat and messy.
As an example, I'll put one well known pattern, the taggable pattern:
# app/models...
Populate data table from data reader
...aTable directly from a data reader using the Load() method that accepts an IDataReader.
var dataReader = cmd.ExecuteReader();
var dataTable = new DataTable();
dataTable.Load(dataReader);
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