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Calling a function every 60 seconds
Using setTimeout() it is possible to launch a function at a specified time:
13 Answers
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Android Eclipse - Could not find *.apk
.... I was able to build my apk without issues until this error started cropping up. I have tried cleaning my project, removing it from the workspace and reimporting it, removing "Java Builder" from my Builders for the project, building the project manually, reordering my java build path. I have no ...
Rails: how do I validate that something is a boolean?
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Since Rails 3, you can do:
validates :field, inclusion: { in: [ true, false ] }
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How do I edit an incorrect commit message with TortoiseGit?
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OK
Follow above 1-4 steps to amend commit message
If the commit is in the middle without any merge between head, you need to reset, amend and cherry-pick
Context menu -> TortoiseGit -> Log
Select the commit -> Context menu -> Reset
Hard Reset (this will discard all work contain...
Confusion between factor levels and factor labels
There seems to be a difference between levels and labels of a factor in R.
Up to now, I always thought that levels were the 'real' name of factor levels, and labels were the names used for output (such as tables and plots). Obviously, this is not the case, as the following example shows:
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Django Admin - Disable the 'Add' action for a specific model
...e with lots of models and forms. I have many custom forms and formsets and inlineformsets and custom validation and custom querysets. Hence the add model action depends on forms that need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset.
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difference between primary key and unique key
I'm using mysql database. I have a confusion between primary key and unique key.
15 Answers
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Setting dynamic scope variables in AngularJs - scope.
I have a string I have gotten from a routeParam or a directive attribute or whatever, and I want to create a variable on the scope based on this. So:
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What limits does scala place on the “acceptable complexity” of inferred types?
According to the Scala Language Spec :
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Testing Abstract Classes
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Unit testing of abstract classes doesn't necessary mean testing the interface, as abstract classes can have concrete methods, and this concrete methods can be tested.
It is not so uncommon, when writing some library code, to have ce...