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Green Bars in Visual Studio 2010
...ens things are in Visual Studio 2010. What are they for? They look pretty random but of course they have to have some meaning. Can any one tell me?
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Boolean.hashCode()
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1231 and 1237 are just two (sufficiently large) arbitrary prime numbers. Any other two large prime numbers would do fine.
Why primes?
Suppose for a second that we picked composite numbers (non-primes), say 1000 and 2000. When ins...
How to check whether dynamically attached event listener exists or not?
...);
}
Creating special attribute for an element when listener is attached and then checking if it exist.
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Recompile Heroku slug without push or config change
...is a way to force Heroku to recompile the slug without pushing new commits and/or updating the config variables.
9 Answers
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How do I do redo (i.e. “undo undo”) in Vim?
...e for the times you have seemingly screwed yourself with a flurry of undos and redos.
– Jake Sellers
Jan 3 '14 at 5:31
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How to change height of grouped UITableView header?
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If you use tableView style grouped, tableView automatically set top and bottom insets. To avoid them and avoid internal insets setting, use delegate methods for header and footer. Never return 0.0 but CGFLOAT_MIN.
Objective-C
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSe...
How to combine two strings together in PHP?
...ays to concatenate two strings together.
Use the concatenation operator . (and .=)
In PHP . is the concatenation operator which returns the concatenation of its right and left arguments
$data1 = "the color is";
$data2 = "red";
$result = $data1 . ' ' . $data2;
If you want to append a string to anot...
request exceeds the configured maxQueryStringLength when using [Authorize]
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When an unauthorized request comes in, the entire request is URL encoded, and added as a query string to the request to the authorization form, so I can see where this may result in a problem given your situation.
According to MSDN, the correct element to modify to reset maxQueryStringLength in we...
Eclipse: Can you format code on save?
...nce -> Java -> Code Style , you can define code templates for comments and code, and you can setup a code formatter.
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What APIs are used to draw over other apps (like Facebook's Chat Heads)?
How does Facebook create the Chat Heads on Android? What is the API to create the floating views on top of all other views?
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