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Will GetType() return the most derived type when called from the base class?
Will GetType() return the most derived type when called from the base class?
3 Answers
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Understanding dispatch_async
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The main reason you use the default queue over the main queue is to run tasks in the background.
For instance, if I am downloading a file from the internet and I want to update the user on the progress of the download, I will r...
IE8 and JQuery's trim()
I am making use of trim() like so:
5 Answers
5
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Scope of sessionStorage and localStorage
I read some documentation on sessionStorage and localStorage, but I don't understand what the scope is: the domain, a specific page?
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How do I open the SearchView programmatically?
...Iconified(true);
You need to change the value of android:showAsAction from ifRoom|collapseActionView to always. The SearchView's attribute android:iconifiedByDefault should be true, which is the default value, otherwise the user can not collapse the SearchView after it was expanded programmaticall...
Returning value from called function in a shell script
I want to return the value from a function called in a shell script. Perhaps I am missing the syntax. I tried using the global variables. But that is also not working. The code is:
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Get the first N elements of an array?
What is the best way to accomplish this?
5 Answers
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How to redirect the output of an application in background to /dev/null
I would like to redirect the output generated from a background application in Linux to /dev/null.
2 Answers
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Alter table add multiple columns ms sql
Can anyone tell me where is the mistake in the following query
6 Answers
6
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How to implement a unique index on two columns in rails
I have a table and I'm trying to add a unique index on two columns. Those columns are also indexed. So my question is if I just can remove the indexes who were just for one column or if I have to use all three indexes:
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