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Why are all fields in an interface implicitly static and final?
...just trying to understand why all fields defined in an Interface are implicitly static and final . The idea of keeping fields static makes sense to me as you can't have objects of an interface but why they are final (implicitly)?
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Random record in ActiveRecord
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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...
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...
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 ...
Which version of CodeIgniter am I currently using?
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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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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?
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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...
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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Is gcc 4.8 or earlier buggy about regular expressions?
I am trying to use std::regex in a C++11 piece of code, but it appears that the support is a bit buggy. An example:
3 Answe...