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input type=“submit” Vs button tag are they interchangeable?
...lity to adopt to the new spec once it is officialized. HTML5, as of right now, has been official for over one year now, and has been shown in many cases to boost SEO.
&ast; With the exception of <button type="button"> which by default has no specified behaviour.
In summary, I highly di...
Set environment variables on Mac OS X Lion
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Also it's useful to know about ~/.bashrc. ~/.bashrc file runs every time you open a new non-login bash shell such as xterm / aterm, and ~/.bash_profile runs only with login shells i.e when you first log in into system.
– Dan...
How to style SVG with external CSS?
...zing your style definitions. Let's say you have 10 SVGs you want to style. Now you need to copy in a reference to the CSS into all the SVGs that need to be affected. And if the file name / location of your CSS changes, you need to update it in 10 SVGs. A CSS class feels a lot more symbolic than a re...
Polymorphism with gson
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RuntimeTypeAdapter is now complete, unfortunately it doesn't look like it's in Gson core yet. :-(
– Jonathan
Aug 14 '13 at 12:52
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Delaying AngularJS route change until model loaded to prevent flicker
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i get an error: Unknown provider: datasetsProvider <- datasets
– chovy
Nov 25 '13 at 6:32
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Understanding the Gemfile.lock file
...ck in the application together with the Gemfile and Gemfile.lock snapshot. Now, your repository has a record of the exact versions of all of the gems that you used the last time you know for sure that the application worked...
This is important: the Gemfile.lock makes your application a single packa...
What's the difference between django OneToOneField and ForeignKey?
...the name of the reporter.
In [8]: A1.reporter.first_name
Out[8]: 'Rick'
Now create the Reporter object R2 by running the following python code.
In [9]: R2 = Reporter.objects.create(first_name='Harry')
In [10]: R2.save()
Now try to add R2 to the Article object A1.
In [13]: A1.reporter.add(R2)...
Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
... that contains an onclick attribute - was okay back five years ago, though now it can be a bad practice. Here's why:
It promotes the practice of obtrusive JavaScript - which has turned out to be difficult to maintain and difficult to scale. More on this in Unobtrusive JavaScript.
You're spending y...
Lock, mutex, semaphore… what's the difference?
...n notification, recursion?, 'priority inversion avoidance'?, etc].
4) And now, talking about 'spinlocks', first some definitions:
Critical Region= A region of memory shared by 2 or more processes.
Lock= A variable whose value allows or denies the entrance to a 'critical region'. (It could be impl...
What is the meaning of the term arena in relation to memory?
...e techniques is very specialized and generally only comes in handy if you know exactly what you're doing and why the normal library allocation is not good enough. Note that a good memory allocator will already do lots of magic itself, and you need a decent amount of evidence that that's not good eno...