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Random record in ActiveRecord

... I haven't found an ideal way to do this without at least two queries. The following uses a randomly generated number (up to the current record count) as an offset. offset = rand(Model.count) # Rails 4 rand_record = Model.offset(offset).first # Rails 3 rand_recor...
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How to limit setAccessible to only “legitimate” uses?

....reflect.AccessibleObject.setAccessible , the more astonished I am at what it can do. This is adapted from my answer to the question ( Using reflection to change static final File.separatorChar for unit testing ). ...
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Which version of CodeIgniter am I currently using?

... Yes, the constant CI_VERSION will give you the current CodeIgniter version number. It's defined in: /system/codeigniter/CodeIgniter.php As of CodeIgniter 2, it's defined in /system/core/CodeIgniter.php For example, echo CI_VERSION; // echoes something like 1.7.1 ...
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WPF Blurry fonts issue- Solutions

...g from one of the WPF Text Program Managers on windowsclient.net: Text Clarity in WPF. The problem boils down to WPF needing a linearly scaling font-renderer for smooth animations. Pure ClearType on the other hand takes quite a bit of freedom with the font to push vertical stems into the next pixel...
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An App ID with Identifier '' is not available. Please enter a different string

...the-flight. However, the solution proposed below will still work. I've switched to using the automatic provisioning profiles. tl;dr Remove INVALID iOS Team Provision Profile Managed by Xcode from Developer Portal and manually create iOS Developer Provision Profile. Download it via Xcode and you ...
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Unrecognized SSL message, plaintext connection? Exception

I have a java complied package to speak with the https server on net. Running the compilation gives the following exception: ...
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Rails: Is there a rails trick to adding commas to large numbers?

Is there a way to have rails print out a number with commas in it? 14 Answers 14 ...
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Should a return statement be inside or outside a lock?

... Essentially, which-ever makes the code simpler. Single point of exit is a nice ideal, but I wouldn't bend the code out of shape just to achieve it... And if the alternative is declaring a local variable (outside the lock), initializing it (inside the lock) and then returning it (outside the...
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How to customize user profile when using django-allauth

I have a django project with the django-allauth app. I need to collect additional data from the user at signup. I came across a similar question here but unfortunately, no one answered the profile customization part. ...
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C# namespace alias - what's the point?

... That is a type alias, not a namespace alias; it is useful to disambiguate - for example, against: using WinformTimer = System.Windows.Forms.Timer; using ThreadingTimer = System.Threading.Timer; (ps: thanks for the choice of Timer ;-p) Otherwise, if you use both Syst...