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Why does Math.round(0.49999999999999994) return 1?
...urn 0;
}
}
When the value is 0.49999999999999994d, in JDK 6, it will call floor and hence returns 1, but in JDK 7, the if condition is checking whether the number is the greatest double value less than 0.5 or not. As in this case the number is not the greatest double value less than 0.5, so th...
Setting a timeout for socket operations
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It's also important to call socket.setSoTimeout(timeoutMillis) for timeouts during blocking IO operations.
– Gray
Jun 5 '17 at 23:32
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How do I force detach Screen from another SSH session?
... Note: PREFIX is usually ^A = ctrl+a
Note: the display may also be called:
"user front-end" (in at command manual in screen)
"client" (tmux vocabulary where this functionality is detach-client)
"terminal" (as we call the window in our user interface) /depending on
1. Reatt...
How does “make” app know default target to build if no target is specified?
...he default goal; to do that, it may have to process other targets - specifically, ones the first target depends on.
The GNU Make Manual covers all this stuff, and is a surprisingly easy and informative read.
share
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Twitter oAuth callbackUrl - localhost development
Is anyone else having a difficult time getting Twitters oAuth's callback URL to hit their localhost development environment.
Apparently it has been disabled recently. http://code.google.com/p/twitter-api/issues/detail?id=534#c1
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Is there a way to collapse all code blocks in Eclipse?
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Use fn and divide that is being called when fn button is pressed
– Alkis Kalogeris
Nov 18 '13 at 10:41
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preventDefault() on an tag
...ccur as a result:
event.preventDefault();
event.stopPropagation();
Stops callback execution and returns immediately when called.
So in this type of situation, you should really only use event.preventDefault();
Archive of article - jQuery Events: Stop (Mis)Using Return False
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what is the preferred way to mutate a React state?
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Calling this.setState with a value derived from this.state will have you fall foul of update batching issues. See stackoverflow.com/a/41445812/1998186 which links to a jsfiddle showing the problem you'll get.
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Can't execute jar- file: “no main manifest attribute”
...va -jar app.jar
Second, to make a jar executable... you need to jar a file called META-INF/MANIFEST.MF
the file itself should have (at least) this one liner:
Main-Class: com.mypackage.MyClass
Where com.mypackage.MyClass is the class holding the public static void main(String[] args) entry point.
No...
git add remote branch
...d information on merging the remote and local branches.
Creating a remote called "github":
git remote add github git://github.com/jdoe/coolapp.git
git fetch github
List all remote branches:
git branch -r
github/gh-pages
github/master
github/next
github/pu
Create a new local branch (te...