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What does the 'b' character do in front of a string literal?
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To quote the Python 2.x documentation:
A prefix of 'b' or 'B' is ignored in
Python 2; it indicates that the
literal should become a bytes literal
in Python 3 (e.g. when code is
automatically converted with 2to3). A
'u' or 'b' prefix may be...
Rails: Custom text for rails form_for label
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The second parameter to label helper will allow you to set custom text.
<%= f.label :name, 'Your Name' %>
Use Ruby on Rails Documentation to look up helper methods.
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Abstract classes in Swift Language
...rotocol, which is like a Java Interface.
With Swift 2.0, you can then add method implementations and calculated property implementations using protocol extensions. Your only restrictions are that you can't provide member variables or constants and there is no dynamic dispatch.
An example of this t...
How can I force clients to refresh JavaScript files?
...s from the server, but it would be preferable to handle this before that time.
26 Answers
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Automatic creation date for Django model form objects?
... respectively.
class MyModel(models.Model):
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
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Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
...he settings might differ between Debug and Release compile. This just cost me 20 minutes of my life.
– LosManos
Dec 2 '15 at 15:07
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Convert to/from DateTime and Time in Ruby
How do you convert between a DateTime and a Time object in Ruby?
6 Answers
6
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Is it true that one should not use NSLog() on production code?
I was told this a few times in this very site, but I wanted to make sure this is really the case.
12 Answers
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PHP exec() vs system() vs passthru()
...th the output yourself.
system() is for executing a system command and immediately displaying the output - presumably text.
passthru() is for executing a system command which you wish the raw return from - presumably something binary.
Regardless, I suggest you not use any of them. They all pro...
How can I generate a unique ID in Python? [duplicate]
...le probably don't have that yet, so I generally avoid this module. Caused me major headaches with listen sockets...
– Glenn Maynard
Jul 31 '09 at 3:14
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