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When should I use perror(“…”) and fprintf(stderr, “…”)?
Reading the man pages and some code did not really help me in
understanding the difference between - or better, when I should use - perror("...") or fprintf(stderr, "...") .
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Modify file in place (same dest) using Gulp.js and a globbing pattern
I have a gulp task that is attempting to convert .scss files into .css files (using gulp-ruby-sass) and then place the resulting .css file into the same place it found the original file. The problem is, since I'm using a globbing pattern, I don't necessarily know where the original file is stored.
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Using the Swift if let with logical AND operator &&
... and Xcode 6.3 beta release notes state:
More powerful optional unwrapping with if let — The if let construct
can now unwrap multiple optionals at once, as well as include
intervening boolean conditions. This lets you express conditional
control flow without unnecessary nesting.
With t...
How can I make git show a list of the files that are being tracked?
Using command line git, how can I make git show a list of the files that are being tracked in the repository?
4 Answers
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jQuery’s .bind() vs. .on()
I found two great articles talking about the new function .on() : jquery4u.com , elijahmanor.com .
6 Answers
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Django ModelForm: What is save(commit=False) used for?
Why would I ever use save(commit=False) instead of just creating a form object from the ModelForm subclass and running is_valid() to validate both the form and model?
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.NET List Concat vs AddRange
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They have totally different semantics.
AddRange modifies the list by adding the other items to it.
Concat returns a new sequence containing the list and the other items, without modifying the list.
Choose whichever one has the semantics you want.
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Why is git push gerrit HEAD:refs/for/master used instead of git push origin master
I've just started using gerrit and I want to know why we need to do git push gerrit HEAD:refs/for/master instead of doing git push origin master
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How does OpenID authentication work?
... for user-centric digital identity. OpenID takes advantage of already existing internet technology (URI, HTTP, SSL, Diffie-Hellman) and realizes that people are already creating identities for themselves whether it be at their blog, photostream, profile page, etc. With OpenID you can easily transfor...
How to override trait function and call it from the overridden function?
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just to clarify - once your class defines the same method, it automatically overrides the trait's. The trait fills in the method as @ircmaxell mentions when it's empty.
– Yehosef
Jun 8 '14 at 12:43
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