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Which is better, number(x) or parseFloat(x)?
...But first let's look at where they behave the same:
parseFloat('3'); // => 3
Number('3'); // => 3
parseFloat('1.501'); // => 1.501
Number('1.501'); // => 1.501
parseFloat('1e10'); // => 10000000000
Number('1e10'); // => 10000000000
So as long as you have standard numeric input, ...
Error: “The sandbox is not in sync with the Podfile.lock…” after installing RestKit with cocoapods
...ect your project
Select your target
Remove all libPods*.a in Build Phases > Link Binary With Libraries
II. Update CocoaPods
Launch Terminal and go to your project directory.
Update CocoaPods using the command pod install
...
Is there a difference between `continue` and `pass` in a for loop in python?
... this further statement would be executed. After continue, it wouldn't.
>>> a = [0, 1, 2]
>>> for element in a:
... if not element:
... pass
... print element
...
0
1
2
>>> for element in a:
... if not element:
... continue
... print elem...
Generating Guids in Ruby
...uuid function.
For example:
require 'securerandom'
SecureRandom.uuid # => "96b0a57c-d9ae-453f-b56f-3b154eb10cda"
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Wrapping chained method calls on a separate line in Eclipse for Java
...
Window > Preferences > Java > Code Style > Formater > Edit > Line wrapping > Function Calls, set the 'Line wrapping policy' as 'Wrap all elements, every element on a new line'.
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How to remove items from a list while iterating?
...tute while somelist: for something more explicit like while len(somelist) > 0:.
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Is there any haskell function to concatenate list with separator?
...
Yes, there is:
Prelude> import Data.List
Prelude Data.List> intercalate " " ["is","there","such","a","function","?"]
"is there such a function ?"
intersperse is a bit more general:
Prelude> import Data.List
Prelude Data.List> concat ...
Is there a way to automatically generate getters and setters in Eclipse?
...ate Getters and Setters... will cause a wizard window to appear.
Source -> Generate Getters and Setters...
Select the variables you wish to create getters and setters for and click OK.
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What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
What does ~> mean in the context of Ruby gem depenedencies?
4 Answers
4
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Using try vs if in python
...n using if is probably better.
To support this with a few measurements:
>>> import timeit
>>> timeit.timeit(setup="a=1;b=1", stmt="a/b") # no error checking
0.06379691968322732
>>> timeit.timeit(setup="a=1;b=1", stmt="try:\n a/b\nexcept ZeroDivisionError:\n pass")
0.0829...