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How to check if mysql database exists
Is it possible to check if a (MySQL) database exists after having made a connection.
21 Answers
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Input and Output binary streams using JERSEY?
... and writes to that instead of a newly created output stream.
Don't know if it's the best way to do it, but it works.
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UITableView load more when scrolling to bottom like Facebook application
...th *)indexPath
{
// Classic start method
static NSString *cellIdentifier = @"MyCell";
MyCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
if (!cell)
{
cell = [[MyCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:MainMenuCellIde...
Is onload equal to readyState==4 in XMLHttpRequest?
... confuse about the xhr return event, as I can tell, there are not so much different between onreadystatechange --> readyState == 4 and onload, is it true?
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Extract part of a regex match
...p(1) in python to retrieve the captured string (re.search will return None if it doesn't find the result, so don't use group() directly):
title_search = re.search('<title>(.*)</title>', html, re.IGNORECASE)
if title_search:
title = title_search.group(1)
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Is it possible to view RabbitMQ message contents directly from the command line?
...nt
See here:
http://www.rabbitmq.com/plugins.html
And here for the specifics of management.
http://www.rabbitmq.com/management.html
Finally once set up you will need to follow the instructions below to install and use the rabbitmqadmin tool. Which can be used to fully interact with the system...
How do I use CSS in Django?
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If you're using the development server follow the django project's how-to guide for managing static files to setup your URL's, then reference you media files in the template -- say, an image inside an image folder from /site_...
In Vim, how do I delete everything within the double quotes?
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@funk-shun: See if da" does what you want. The mnemonic would be "delete a quote[block]". It deletes from quote to quote plus, I believe, any whitespace after the closing quote.
– Herbert Sitz
Apr 24 ...
passing several arguments to FUN of lapply (and others *apply)
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If you look up the help page, one of the arguments to lapply is the mysterious .... When we look at the Arguments section of the help page, we find the following line:
...: optional arguments to ‘FUN’.
So all you have ...
Default implementation for Object.GetHashCode()
...CONTRACTL_END;
VALIDATEOBJECTREF(obj);
DWORD idx = 0;
if (obj == 0)
return 0;
OBJECTREF objRef(obj);
HELPER_METHOD_FRAME_BEGIN_RET_1(objRef); // Set up a frame
idx = GetHashCodeEx(OBJECTREFToObject(objRef));
HELPER_METHOD_FRAME_END();...