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IntelliJ Split Window Navigation
...how do I switch/toggle from one tab group to another via the keyboard? If all of the tabs are in the same group you can switch from each tab easily (CTRL + right/left arrow), but when they're in separate tab groups I can't. I've searched through the key mappings and have not found one that seems t...
What is the purpose of setting a key in data.table?
... updated this answer again (Feb 2016) in light of the new on= feature that allows ad-hoc joins as well. See history for earlier (outdated) answers.
What exactly does setkey(DT, a, b) do?
It does two things:
reorders the rows of the data.table DT by the column(s) provided (a, b) by reference, a...
Is there a python equivalent of Ruby's 'rvm'?
Q: Do we have anything functionally equivalent in Python to the Ruby version manager 'rvm' ?
6 Answers
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Prevent users from submitting a form by hitting Enter
...be some issues with the users hitting enter (I don't know why) and accidentally submitting the survey (form) without clicking the submit button. Is there a way to prevent this?
...
Skip callbacks on Factory Girl and Rspec
...ly achieved this using:
FactoryGirl.define do
factory :user do
first_name "Luiz"
last_name "Branco"
#...
after(:build) { |user| user.class.skip_callback(:create, :after, :run_something) }
factory :user_with_run_something do
after(:create) { |user| user.send(:run_someth...
XPath query to get nth instance of an element
...L file (whose contents I do not control) that has several input elements all with the same fixed id attribute of "search_query" . The contents of the file can change, but I know that I always want to get the second input element with the id attribute "search_query" .
...
Execute SQLite script
...wed by:
sqlite> .read create.sql
In general, the SQLite project has really fantastic documentation! I know we often reach for Google before the docs, but in SQLite's case, the docs really are technical writing at its best. It's clean, clear, and concise.
...
How to use cURL to send Cookies?
... format used by web browsers. If you need to create a curl cookie file manually, this post should help you. In your example the file should contain following line
127.0.0.1 FALSE / FALSE 0 USER_TOKEN in
having 7 TAB-separated fields meaning domain, tailmatch, path, secure, expires, nam...
How can I detect if a file is binary (non-text) in python?
...446549/… The answer based on an activestate recipe looks good to me, it allows a small proportion of non-printable characters (but no \0, for some reason).
– Sam Watkins
Mar 14 '13 at 2:57
...
Mockito test a void method throws an exception
... a number of exceptions so I'd like to test those exceptions being thrown. All attempts have failed with the same reason:
2...