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How to change the decimal separator of DecimalFormat from comma to dot/point?
I have this little crazy method that converts BigDecimal values into nice and readable Strings.
6 Answers
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Confusion about vim folding - how to disable?
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The easiest way to disable (and enable) folding on the fly is zi.
zi is the normal mode command that toggles 'foldenable', just like :set foldenable!.
Mnemonic: "fold invert". See :h zi.
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Mapping over values in a python dictionary
...ues()))) is marginally shorter, but I have to think about what it's doing, and remind myself that yes, keys and values are iterated over in the same order if the dict doesn't change. I don't have to think at all about what the dictcomp is doing, and so it's the right answer.
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Write lines of text to a file in R
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@jhin I am not sure if that is true. Using RStudio 0.98 and R version 3.1.0 the file is created automatically if it doesn't exist
– JHowIX
Sep 10 '14 at 14:09
4
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Jquery If radio button is checked
...e 'name' attribute of 'postage'
// 2. assigns the onChange/onchange event handler
$('input:radio[name="postage"]').change(
function(){
// checks that the clicked radio button is the one of value 'Yes'
// the value of the element is the one that's checked (as noted by @shef in co...
Using .sort with PyMongo
With PyMongo, when I try to retrieve objects sorted by their 'number' and 'date' fields like this:
1 Answer
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How to create a protocol with methods that are optional?
...ly denote the semantics of
the default behavior. You can use
@optional and @required to partition
your protocol into sections as you see
fit. If you do not specify any
keyword, the default is @required.
@protocol MyProtocol
- (void)requiredMethod;
@optional
- (void)anOptionalMethod;
- ...
Rails: Default sort order for a rails model?
...fault sorting to be done on.
Note: ASC is the code to use for Ascending and DESC is for descending (desc, NOT dsc !).
scope
Once you're used to that you can also use scope:
class Book < ActiveRecord::Base
scope :confirmed, :conditions => { :confirmed => true }
scope :published, ...
Passing a function with parameters as a parameter?
...tes an anonymous temporary function wrapper that knows about the parameter and passes it to the actual callback implementation.
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Python Requests library redirect new url
...ight be useful for someone else.
If you want to use allow_redirects=False and get directly to the first redirect object, rather than following a chain of them, and you just want to get the redirect location directly out of the 302 response object, then r.url won't work. Instead, it's the "Location...