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How to use the “number_to_currency” helper method in the model rather than view?
...ful way to include helpers in a presenter/view-model without polluting its set of methods (because being able to do e.g. MyPresenterOrViewModel.new.link_to(...) makes no sense):
class MyPresenterOrViewModel
def some_field
helper.number_to_currency(amount, :precision => 0)
end
private
...
Regex lookahead for 'not followed by' in grep
...f looking negative assertions: when you have list of lines, returned by "ipset", each line showing number of packets in a middle of the line, and you don't need lines with zero packets, you just run:
ipset list | pcregrep "packets(?! 0 )"
If you like perl-compatible regular expressions and have p...
Correct way to add external jars (lib/*.jar) to an IntelliJ IDEA project
...File > Project Structure...
or press Ctrl + Alt + Shift + S
Project Settings > Modules > Dependencies > "+" sign > JARs or directories...
Select the jar file and click on OK, then click on another OK button to confirm
You can view the jar file in the "External Libraries" fol...
How do I connect to a MySQL Database in Python?
...
Connecting to MYSQL with Python 2 in three steps
1 - Setting
You must install a MySQL driver before doing anything. Unlike PHP, Only the SQLite driver is installed by default with Python. The most used package to do so is MySQLdb but it's hard to install it using easy_install....
How does the C# compiler detect COM types?
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Implementing Fast and Efficient Core Data Import on iOS 5
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Golang tests in sub-directory
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How to Vertical align elements in a div?
...nt consists of a single line and its parent height is fixed you can simply set the container’s line-height to fill its height. This method is quite versatile in my experience. jsfiddle example
… there are more such special cases.
...
The target … overrides the `OTHER_LDFLAGS` build setting defined in `Pods/Pods.xcconfig
...
This definitely works most of the time:
Go to your target Build Settings -> Other linker flags -> double click . Add $(inherited) to a new line.
If you have problem with "...target overrides the GCC_PREPROCESSOR_DEFINITIONS build setting defined in..." then you must add $(inherited...
How to use JavaScript source maps (.map files)?
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