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ReactJS state vs prop
...d components that each consume parts of the model.
You can pass callbacks down to the children that need to modify your data, and call them from the child component.
Modifying this.props or this.state directly is not a good idea, because React will not be able to pick up on the changes. That's bec...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
... environment so you have that ready for when the 32-bit environment breaks down. Otherwise you will have to do that work under pressure, which is never nice.
Edit 2014-05-15: Oracle FAQ:
The maximum theoretical heap limit for the 32-bit JVM is 4G. Due to various additional constraints such as ...
XmlSerializer giving FileNotFoundException at constructor
...th a "WTF!?" expression on my face, trying to hunt this spurious exception down, and I find this question, with answer (It's Microsoft's fault, what else is new?), but I didn't want to disable exception handling, because I might need it for my code. A+!
– Kumba
...
“Java DateFormat is not threadsafe” what does this leads to?
...< 10 ; i++){
results.add(exec.submit(task));
}
exec.shutdown();
//look at the results
for(Future<Date> result : results){
System.out.println(result.get());
}
}
Run this a few times and you will see:
Exceptions:
Here are a few examples:
1.
Caused by...
Java Enum definition
... in both the builder and the message. I'm pretty sure I wouldn't have gone down that route if I hadn't needed it though :)
– Jon Skeet
Mar 22 '12 at 6:45
1
...
How can I convince IE to simply display application/json rather than offer to download it?
..., just view it in place. This won't affect any application/json documents downloaded via <script> tags, or via XHR, and so on.
The CLSID and Encoding keys get the same values used for image/gif, image/jpeg, and text/html.
This hint came from this site, and from Microsoft's article Handli...
How to output only captured groups with sed?
... Surprised after reading the high voted accepted answer, I scrolled down to write about its narrow scope and to actually address the spirit of the question. I should have guessed that someone would have done it years ago already. This is very well explained and is the true correct answer.
...
How do I revert all local changes in Git managed project to previous state?
...et your local branch to match the representation of the remote just pulled down.
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Change color of UISwitch in “off” state
...cornerRadius = 16
self.layer.masksToBounds = true
//Scale down to make it smaller in look
self.transform = CGAffineTransformMakeScale(self.Scale, self.Scale);
//add target to get user interation to update user-interface accordingly
self.addTarget(self, actio...
Convert a matrix to a 1 dimensional array
...the case, you can use rapply, or unlist, since data.frames are lists, deep down in their souls...
data(mtcars)
unlist(mtcars)
rapply(mtcars, c) # completely stupid and pointless, and slower
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