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What is the default text size on Android?

...ues are defined within the following TextAppearances: - TextAppearance.Small - TextAppearance.Medium - TextAppearance.Large More information about Typography can be found in the design guidelines Related to your question: If you don't set a custom textSize or textAppearance, TextAppearance.S...
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Elegant setup of Python logging in Django

...nowhere else. You can either use a configuration file or do it programmatically step-by-step - it just depends on your requirements. The key thing is that I usually add the handlers I want to the root logger, using levels and sometimes logging.Filters to get the events I want to the appropriate file...
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Any reason not to use '+' to concatenate two strings?

... Tuple would be faster - the code was just an example :) Usually long multiple string inputs are dynamic. – Mikko Ohtamaa Apr 6 '12 at 12:52 ...
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Hidden features of C

I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time. ...
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Adding information to an exception?

...essage + ' happens at %s' % arg1) bar('arg1') Traceback (most recent call last): File "test.py", line 13, in <module> bar('arg1') File "test.py", line 11, in bar raise type(e)(e.message + ' happens at %s' % arg1) IOError: Stuff happens at arg1 Update 1 Here's a slight modif...
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Why do we always prefer using parameters in SQL statements?

...uld be SELECT empSalary from employee where salary = 0 or 1=1 whereby all empSalaries would be returned. Further, a user could perform far worse commands against your database, including deleting it If they wrote 0; Drop Table employee: SELECT empSalary from employee where salary = 0; Drop Ta...
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static files with express.js

...ic')); }); server.listen(3000); The trick is leaving this line as last fallback server.use(express.static(__dirname + '/public')); As for documentation, since Express uses connect middleware, I found it easier to just look at the connect source code directly. For example this line shows th...
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Check if OneToOneField is None in Django

... Thank you for this solution. Unfortunately, this doesn't work all the time. In case you want to work with select_related() now or in the future -- or maybe even to be sure you also handle other sorts of magic which may happen elsewhere -- you have to extend the test as follows: if hasat...
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Get names of all keys in the collection

I'd like to get the names of all the keys in a MongoDB collection. 21 Answers 21 ...
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Django 1.7 - makemigrations not detecting changes

... may happen due to the following reasons: You did not add the app in INSTALLED_APPS list in settings.py (You have to add either the app name or the dotted path to the subclass of AppConfig in apps.py in the app folder, depending on the version of django you are using). Refer documentation: INST...