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Backwards migration with Django South
... Exactly -- South never skips migrations; it expects that the files from 0001-nnnn represent a consistent set of migrations, for any value of nnnn. If that's not the case, then you need to re-order or delete the offending ones yourself.
– Ian Clelland
Au...
Test if string is a number in Ruby on Rails
...ic?, to stay in line with ruby naming conventions (Numeric classes inherit from Numeric, is_ prefixes are javaish).
– Konrad Reiche
Jun 24 '12 at 18:34
10
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Java: How to test methods that call System.exit()?
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@LeoHolanda Doesn't this solution suffer from the same "problem" you used to justify a downvote on my answer? Also, what about TestNG users?
– Rogério
Oct 21 '15 at 20:15
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Delete ActionLink with confirm dialog
...a delete button on my Details view. I eventually realised I needed to post from that view:
@using (Html.BeginForm())
{
@Html.AntiForgeryToken()
@Html.HiddenFor(model => model.Id)
@Html.ActionLink("Edit", "Edit", new { id = Model.Id }, new { @class = "b...
Why does CSS work with fake elements?
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YADA (yet another (different) answer)
Edit: Please see the comment from BoltClock below regarding type vs tag vs element. I usually don't worry about semantics but his comment is very appropriate and informative.
Although there are already a bunch of good replies, you indicated that your p...
Memory footprint of Haskell data types
... or is it possible to estimate memory requirements of a compound data type from its components?
2 Answers
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Specifying colClasses in the read.csv
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If you want to refer to names from the header rather than column numbers, you can use something like this:
fname <- "test.csv"
headset <- read.csv(fname, header = TRUE, nrows = 10)
classes <- sapply(headset, class)
classes[names(classes) %in% c(...
what is difference between success and .done() method of $.ajax
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In short, decoupling success callback function from the ajax function so later you can add your own handlers without modifying the original code (observer pattern).
Please find more detailed information from here: https://stackoverflow.com/a/14754681/1049184
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Java ArrayList - how can I tell if two lists are equal, order not mattering?
...clear reasons why not.
There are a few answers here which suggest methods from CollectionUtils in the Apache Commons Collections library but none has spotted the most beautiful, elegant way of answering this question:
Collection<Object> culprits = CollectionUtils.disjunction( list1, list2 );...
How to split strings across multiple lines in CMake?
... the examples given in other answers), a bracket argument could be better. From the documentation:
An opening bracket is written [ followed by zero or more = followed by [. The corresponding closing bracket is written ] followed by the same number of = followed by ]. Brackets do not nest. A uniq...