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Get the index of the nth occurrence of a string?
Unless I am missing an obvious built-in method, what is the quickest way to get the n th occurrence of a string within a string?
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How to detect a textbox's content has changed
...o not generate letters, like the arrow keys. I thought of two methods of doing this using the keyup event:
15 Answers
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How do you change the datatype of a column in SQL Server?
I am trying to change a column from a varchar(50) to a nvarchar(200) . What is the SQL command to alter this table?
8 A...
How to set up Android emulator proxy settings
I want to to use the browser inside the Android emulator, and I want to use the proxy settings on my machine. How can I set this up?
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Can we open pdf file using UIWebView on iOS?
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Yes, this can be done with the UIWebView.
If you are trying to display a PDF file residing on a server somewhere, you can simply load it in your web view directly:
Objective-C
UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(10, 10, 200, 200)];
NSURL *targetURL ...
Good Hash Function for Strings
I'm trying to think up a good hash function for strings. And I was thinking it might be a good idea to sum up the unicode values for the first five characters in the string (assuming it has five, otherwise stop where it ends). Would that be a good idea, or is it a bad one?
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Sort an array in Java
I'm trying to make a program that consists of an array of 10 integers which all has a random value, so far so good.
17 Answ...
Why is division in Ruby returning an integer instead of decimal value?
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It’s doing integer division. You can make one of the numbers a Float by adding .0:
9.0 / 5 #=> 1.8
9 / 5.0 #=> 1.8
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Capitalize the first letter of both words in a two word string
Let's say that I have a two word string and I want to capitalize
both of them.
12 Answers
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Enum “Inheritance”
I have an enum in a low level namespace. I'd like to provide a class or enum in a mid level namespace that "inherits" the low level enum.
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