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What's the best way of implementing a thread-safe Dictionary?
...n-thread safe interface with a thread safe class. IMHO this will cost you down the road
Personally, I've found the best way to implement a thread safe class is via immutability. It really reduces the number of problems you can run into with thread safety. Check out Eric Lippert's Blog for more ...
How do I check if an integer is even or odd? [closed]
...ly this was a Java answer, I do not know Java. I think I just got my first downvote and am confused as to why. Oh well.
– Chris Young
Oct 2 '08 at 5:49
33
...
Couldn't connect to server 127.0.0.1:27017
...
This it's because the mongod process it's down, you must to run the commands bellow in order to get up the mongod process:
~$ sudo service mongodb stop
~$ sudo rm /var/lib/mongodb/mongod.lock
~$ sudo mongod --repair --dbpath /var/lib/mongodb
~$ sudo mongod --fork...
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 do I paste multi-line bash codes into terminal and run it all at once?
...le:
$ (
sudo apt-get update
dokku apps
dokku ps:stop APP # repeat to shut down each running app
sudo apt-get install -qq -y dokku herokuish sshcommand plugn
dokku ps:rebuildall # rebuilds all applications
)
share
...
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...
Displaying the #include hierarchy for a C++ file in Visual Studio
...is providing its most recent releases for free from the above website. The down side is it only works on full versions of Visual Studio from VS2005 to VS2013.
– Dana
Jun 29 '18 at 1:53
...
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...
PHP Fatal error: Cannot redeclare class
... AaronLS's answer is much higher rated, and you can find it way down here.
– qris
Oct 7 '14 at 11:48
...