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@ character before a function call
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212
the "@" will silence any php errors your function could raise.
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How do I get the resource id of an image if I know its name?
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edited Jun 30 '10 at 10:26
Janusz
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How to remove specific element from an array using python
...still don't need to iterate over. Just do:
index = initial_list.index(item1)
del initial_list[index]
del other_list[index]
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Pure virtual destructor in C++
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edited Jul 25 '14 at 0:08
answered Mar 10 '09 at 16:04
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Displaying the build date
...st build - they tend to refer to it as "last Thursday's" rather than build 1.0.8.4321.
25 Answers
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Javascript shorthand ternary operator
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179
var startingNumber = startingNumber || 1;
Something like that what you're looking for, where...
Build vs new in Rails 3
...enrym:~/testapp$ rails c
Loading development environment (Rails 3.0.4)
r:001 > (some_firm = Firm.new).save # Create and save a new Firm
#=> true
r:002 > some_firm.clients # No clients yet
#=> []
r:003 > some_firm.clients.new # Create a new client
#=> #<Client i...
“render :nothing => true” returns empty plaintext file?
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146
UPDATE: This is an old answer for legacy Rails versions. For Rails 4+, see William Denniss' po...
Is there a way to tell git to only include certain files instead of ignoring certain files?
My programs generally generate huge output files (~1 GB) which I do not want to be backing up to the git repository. So instead of being able to do
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Python `if x is not None` or `if not x is None`?
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1029
There's no performance difference, as they compile to the same bytecode:
Python 2.6.2 (r262:...