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HTML input file selection event not firing upon selecting the same file
...with 'C:\fakepath\'. That's a security feature preventing JavaScript from knowing the file's absolute path. The browser still knows it internally.
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How to detect a loop in a linked list?
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You can make use of Floyd's cycle-finding algorithm, also known as tortoise and hare algorithm.
The idea is to have two references to the list and move them at different speeds. Move one forward by 1 node and the other by 2 nodes.
If the linked list has a loop they
will definitel...
Differences between cookies and sessions?
...in web developement and am learning about JSP & Servlets . I have some knowledge of HttpSession - I have used it in some of my sample projects.
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MYSQL OR vs IN performance
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I needed to know this for sure, so I benchmarked both methods. I consistenly found IN to be much faster than using OR.
Do not believe people who give their "opinion", science is all about testing and evidence.
I ran a loop of 1000x the ...
What are the differences between numpy arrays and matrices? Which one should I use?
...the calls to the dot function. But this argument will disappear in future, now that the @-operator is accepted for use with matrix multiplication, see PEP 465. This will need Python 3.5 and the latest version of Numpy. The matrix class might be deprecated in the far future, so better to use ndarray ...
Can I have multiple background images using CSS?
...peat: repeat-x, repeat;
}
The current versions of all the major browsers now support it, however if you need to support IE8 or below, then the best way you can work around it is to have extra divs:
<body>
<div id="bgTopDiv">
content here
</div>
</body>
bo...
Auto increment in phpmyadmin
...as removed from the Operations tab, it appears this is how to implement it now. Thanks, @AmitKB.
– Mike S.
Oct 1 '13 at 19:03
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Start a git commit message with a hashmark (#)
...e issue before
you are able to reword the commit.
You can amend the commit now, with
git commit --amend
Once you are satisfied with your changes, run
git rebase --continue
So, just amend the message:
git commit --amend -m "#123 salt hashed passwords"
and continue the rebase:
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How do I check in SQLite whether a table exists?
... query a table that possibly doesn't exist? This is the problem I'm facing now, and the accepted answer works best in this general problem statement. This is a good quick alternative.
– Dagrooms
Jun 16 '15 at 18:15
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How to configure Eclipse build path to use Maven dependencies?
... and select Import... > Maven Projects) and it will be "Maven ready".
Now, to add a dependency, either right-click the project and select Maven > Add Dependency) or edit the pom manually.
PS: avoid using the maven-eclipse-plugin if you are using m2eclipse. There is absolutely no need for it...