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Shallow copy of a Map in Java
...rstand it, there are a couple of ways (maybe others as well) to create a shallow copy of a Map in Java:
3 Answers
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Associativity of “in” in Python?
I'm making a Python parser, and this is really confusing me:
4 Answers
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What is the “realm” in basic authentication
...ed by HTTP/1.1)
The realm attribute (case-insensitive) is required for all
authentication schemes which issue a challenge. The realm value
(case-sensitive), in combination with the canonical root URL of the
server being accessed, defines the protection space. These realms
allow the prote...
Best practices for reducing Garbage Collector activity in Javascript
I have a fairly complex Javascript app, which has a main loop that is called 60 times per second. There seems to be a lot of garbage collection going on (based on the 'sawtooth' output from the Memory timeline in the Chrome dev tools) - and this often impacts the performance of the application.
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Difference between \A \z and ^ $ in Ruby regular expressions
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@Ragmaanir is right, it should be with small letter \z instead of \Z!
– Petr
Aug 22 '12 at 10:35
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Updating and committing only a file's permissions using git version control
...n:
git config core.filemode true
Then, you should be able to commit normally your files. It will only commit the permission changes.
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How to get a pixel's x,y coordinate color from an image?
...http://jsfiddle.net/thirtydot/9SEMf/869/ I used jQuery for convenience in all of this, but it is by no means required.
Note: getImageData falls under the browser's same-origin policy to prevent data leaks, meaning this technique will fail if you dirty the canvas with an image from another domain o...
Why doesn't Objective-C support private methods?
...thod. I accept that. But, why is this so? Every explanation I've essentially says, "you can't do it, but here's a close approximation."
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CROSS JOIN vs INNER JOIN in SQL
...---------------------------------x
2. CROSS JOIN
Cross join selects the all the rows from the first table and all the rows from second table and shows as Cartesian product ie, with all possibilities
Consider we need to find all the teachers in the school and students irrespective of class teacher...
What is “Service Include” in a csproj file for?
...ts. This added seconds of delay to startup and solution open scenarios for all users, majority of whom don't use tests.
In Visual Studio 2013, we changed it so that Test Explorer package is loaded only when the solution contains one or more test projects. Test projects are identified in two differen...