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parseInt vs unary plus, when to use which?
...l character, like the period that is intended to be a decimal point ..
+'2.3' === 2.3; //true
parseInt('2.3',10) === 2; //true
parseInt and parseFloat parses and builds the string left to right. If they see an invalid character, it returns what has been parsed (if any) as a number, a...
WPF: Setting the Width (and Height) as a Percentage Value
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answered Apr 4 '09 at 16:24
gcoresgcores
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How to change line width in ggplot?
...a single value, not map within the call to aes()
When you call aes(size = 2) it creates a variable called `2` and uses that to create the size, mapping it from a constant value as it is within a call to aes (thus it appears in your legend).
Using size = 1 (and without reg_labeller which is perhaps...
Redis strings vs Redis hashes to represent JSON: efficiency?
I want to store a JSON payload into redis. There's really 2 ways I can do this:
3 Answers
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What is the GAC in .NET?
...ssembly
C:\Windows\assembly>dir
Directory of C:\Windows\assembly
07/20/2009 02:18 PM <DIR> GAC
06/17/2009 04:22 PM <DIR> GAC_32
06/17/2009 04:22 PM <DIR> GAC_64
06/17/2009 04:22 PM <DIR> GAC_MSIL
...snip...
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Ruby on Rails: How can I revert a migration with rake db:migrate?
...nt to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
rake db:migrate:down VERSION=3846656238
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Can a for loop increment/decrement by more than one?
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265
Use the += assignment operator:
for (var i = 0; i < myVar.length; i += 3) {
Technically,...
Passing an integer by reference in Python
... workaround is to simply return the object that you want:
def multiply_by_2(x):
return 2*x
x = 1
x = multiply_by_2(x)
*In the first example case above, 3 actually gets passed to x.__setitem__.
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What is a difference between
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edited Sep 2 '09 at 15:04
Yishai
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MySQL select one column DISTINCT, with corresponding other columns
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