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B-Tree vs Hash Table
In MySQL, an index type is a b-tree, and access an element in a b-tree is in logarithmic amortized time O(log(n)) .
5 Answ...
opengl: glFlush() vs. glFinish()
...ces OpenGL to perform outstanding commands, which is a bad idea (e.g. with VSync)
To sum up, this means that you don't even need these functions when using double buffering, except if your swap-buffers implementation doesn't automatically flush the commands.
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IN vs OR in the SQL WHERE Clause
When dealing with big databases, which performs better, IN or OR in the SQL Where -clause?
6 Answers
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In Git, what is the difference between origin/master vs origin master?
I know, origin is a term for the remote repository and master is the branch there.
6 Answers
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Spring @PostConstruct vs. init-method attribute
...f you plan to take certification exams ;)
– S.Klechkovski
Jul 28 '16 at 15:29
@DonalFellows - Can you please elaborate...
String concatenation: concat() vs “+” operator
...proposal (refactoring + to use it) would require more than what the Java devs are willing to change, sadly.
– Ti Strga
Jan 27 at 16:49
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pass post data with window.location.href
...pen you DevTools -> application -> IndexDB and take a peak. [spoiler alert: it's encrypted].
Focusing on Local and Session Storage; these are both dead simple to use:
// To Set
sessionStorage.setItem( 'key' , 'value' );
// e.g.
sessionStorage.setItem( 'formData' , { name: "Mr Manager", com...
Hibernate openSession() vs getCurrentSession()
I have some questions about using Hibernate in JSP web application.
5 Answers
5
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Merging: Hg/Git vs. SVN
...ularity of GitHub). Inertia can also be seen as an evaluation of the risks vs benefits of changing a tool central to a team's workflow.
– IMSoP
Feb 24 '14 at 18:49
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Django: Get an object form the DB, or 'None' if nothing matches
... @emispowder, what if I don't want to return None, I want to return an alert message like "no matching data" displaying on the SAME page?
– Héléna
Nov 4 '15 at 5:41
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