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Using Jasmine to spy on a function without an object
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answered Mar 1 '12 at 6:30
ndpndp
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How to use git bisect?
...ression. Imagine that you have the following development history:
... --- 0 --- 1 --- 2 --- 3 --- 4* --- 5 --- current
You know that your program is not working properly at the current revision, and that it was working at the revision 0. So the regression was likely introduced in one of the commi...
Installing older version of R package
...geurl <- "http://cran.r-project.org/src/contrib/Archive/ggplot2/ggplot2_0.9.1.tar.gz"
install.packages(packageurl, repos=NULL, type="source")
If this doesn't work for you and you're on Windows, the reason is probably the lack of an appropriate tool chain for building/compiling packages. Normall...
Regular Expression for alphanumeric and underscores
...ng that contains only those characters (or an empty string), try
"^[a-zA-Z0-9_]*$"
This works for .NET regular expressions, and probably a lot of other languages as well.
Breaking it down:
^ : start of string
[ : beginning of character group
a-z : any lowercase letter
A-Z : any uppercase letter...
Is there any difference between DECIMAL and NUMERIC in SQL Server?
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They are the same. Numeric is functionally equivalent to decimal.
MSDN: decimal and numeric
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How can I wrap text to some length in Vim?
...tion 1 would be achieved by setting textwidth (for example :set textwidth=30 (from Swaarop's answer)). Then you can reformat your text by highlighting it (in visual mode) and typing gq. (textwidth can be abbreviated as tw, thus :set tw=30.)
Option 2 can be toggled by running :set wrap / :set nowrap...
Ruby on Rails: How do I add placeholder text to a f.text_field?
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With rails >= 3.0, you can simply use the placeholder option.
f.text_field :attr, placeholder: "placeholder text"
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Get position of UIView in respect to its superview's superview
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edited May 23 '19 at 10:12
Cœur
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answe...
How does the Java 'for each' loop work?
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Sotirios Delimanolis
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answered Sep 17 '08 at 16:46
nsayernsayer
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Force point (“.”) as decimal separator in java
...eutral.
– speedogoo
Jun 17 '16 at 8:03
@speedogoo: Edited, although I suspect for number formatting it doesn't make an...