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Update Item to Revision vs Revert to Revision
...n that your workingcopy is out of date.
revert to this revision will undo all changes in your working copy which were made after the selected revision (in your example rev. 96,97,98,99,100)
Your working copy is now in modified state.
The file content of both scenarions is same, however in first c...
advantage of tap method in ruby
...= User.new
user.username = "foobar"
user.save!
they would have to follow all the three lines and then recognize that it is just creating an instance named user.
If it were:
user = User.new.tap do |u|
u.username = "foobar"
u.save!
end
then that would be immediately clear. A reader would not...
'Best' practice for restful POST response
... to get the ID easily and to get the timestamps when relevant.
This is actually the default behavior got when scaffolding with Rails.
I really do not see any advantage to returning only the ID and doing a GET request after, to get the data you could have got with your initial POST.
Anyway as long ...
Why is Python running my module when I import it, and how do I stop it?
...program I'm building that can be run in either of 2 ways: the first is to call "python main.py" which prompts the user for input in a friendly manner and then runs the user input through the program. The other way is to call "python batch.py -file- " which will pass over all the friendly input gat...
Why did Rails4 drop support for “assets” group in the Gemfile
...
Wasn't it also saving memory? Now all gems, even those not needed in "production" (only in precompile), are loaded and thus rails consumes more memory?
– gucki
Sep 12 '13 at 9:35
...
How can I check if a URL exists via PHP?
...side.
Waiting for a response might take time and block code execution.
Not all headers returned by get_headers() are well formed.
Use curl (if you can).
Prevent fetching the entire body/content, but only request the headers.
Consider redirecting urls:
Do you want the first code returned?
Or follow a...
setState vs replaceState in React.js
...ows out the current state, and replaces it with only what you provide. Usually setState is used unless you really need to remove keys for some reason; but setting them to false/null is usually a more explicit tactic.
While it's possible it could change; replaceState currently uses the object passe...
What does @synchronized() do as a singleton method in objective C?
...probably isn't multithreaded, and you probably don't need to use it (especially if the singleton itself isn't thread-safe).
Edit: Adding some more information that wasn't in the original answer from 2011.
The @synchronized directive prevents multiple threads from entering any region of code that...
What is a Portable Class Library?
...for such purposes.
UPDATE Apr 19 2013: Excellent dense summary of how it all hangs together from Intellisense through to run time in a blog post by Simon Cooper
Video: Channel 9 Visual Studio Toolbox show episode 14 June 2012
Video: Channel 9 Going Deep Show episode 27 Sep 2011
UPDATE Sep 1...
Configure nginx with multiple locations with different root folders on subdomain
... what you quote them as saying, but they don't justify that instruction at all - it seems like an arbitrary style choice. Do you see any logical reason behind it?
– Mark Amery
May 14 '15 at 9:21
...