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presentViewController:animated:YES view will not appear until user taps again
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Right now, setUpViewForNextQuestion just calls reloadData on the tableview (to change all the background colours back to white if any had been set to red by an incorrect guess). But would any changes there make any difference? The ...
Folder structure for a Node.js project
... folder does has different meanings for different people on some folders.
Now, having done multiple projects, in addition to explanation in all other answers, on the folder structure itself, I would strongly suggest to follow the structure of Node.js itself, which can be seen at: https://github.com...
ASP.NET Web API - PUT & DELETE Verbs Not Allowed - IIS 8
...dio 2012 RC. The installer also installs IIS 8 Express which Visual Studio now uses as the default web server.
19 Answers
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Running shell command and capturing the output
...ompared to the old way of doing things. But I think it's worth the payoff: now you can do almost anything you need to do with the run function alone.
Older versions of Python (2.7-3.4): check_output
If you are using an older version of Python, or need modest backwards compatibility, you can probab...
Why em instead of px?
... There is no way to convert between ems and pixels, unless you know what the size of an 'em' is in pixels, in that context. That can depend on the inherited font size of that element, which can in turn depend on the font size of the document as a whole, which can depend on the font size ...
What's the fastest way to merge/join data.frames in R?
...version.string
# R version 2.15.1 (2012-06-22)
Please note that I don't know plyr well so please do check with Hadley before relying on the plyr timings here. Also note that the data.table do include the time to convert to data.table and set the key, for fareness.
This answer has been updated s...
Are “while(true)” loops so bad? [closed]
I've been programming in Java for several years now, but I just recently returned to school to get a formal degree. I was quite surprised to learn that, on my last assignment, I lost points for using a loop like the one below.
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What's the difference between SoftReference and WeakReference in Java?
...utilize free
memory for performance optimization, but don't risk an OOME.
Now for the [*]. Keeping a SoftReference can't cause an OOME in itself. If
on the other hand you mistakenly use SoftReference for a task a WeakReference is meant
to be used (namely, you keep information associated with an Obj...
Issue with adding common code as git submodule: “already exists in the index”
... 'git rm -r --cached --ignore-unmatch sites/theme/AwesomeTheme' HEAD
Now you can run git submodule add git@AwesomeTheme.repowhateverurlthing sites/themes/AwesomeTheme
Since the main repository has never seen anything (a.k.a index'd) in sites/themes/AwesomeTheme before, it can now create it.
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How to find out the MySQL root password
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thanks to @thusharaK I could reset the root password without knowing the old password.
On ubuntu I did the following:
sudo service mysql stop
sudo mysqld_safe --skip-grant-tables --skip-syslog --skip-networking
Then run mysql in a new terminal:
mysql -u root
And run the following...