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Convert a timedelta to days, hours and minutes
...l indeed have to perform "nauseatingly simple mathematics", e.g.:
def days_hours_minutes(td):
return td.days, td.seconds//3600, (td.seconds//60)%60
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What's the difference between .so, .la and .a library files?
...t in memory). But what is the difference between .a and .la ? Are these all static libraries?
1 Answer
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Why does direction of index matter in MongoDB?
...d query in the same order as the index will simply return the rows sequentially in the correct order.
Finding a record in a BTree takes O(Log(n)) time. Finding a range of records in order is only OLog(n) + k where k is the number of records to return.
If the records are out of order, the cost coul...
Junit: splitting integration test and Unit tests
...hat sort of other solutions there might be apart from annotations or physically separating the classes..
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Recursively add the entire folder to a repository
...gitignore file, if the subdirectory is ignored.
Then try again
git add --all
git commit -am "<commit message>"
git push
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Why does base64 encoding require padding if the input length is not divisible by 3?
... the protocol used padding, there would be no need to transmit a length at all. The data could be encoded as it came in from the camera, each chunk terminated with padding, and the receiver would be able to decode the stream correctly.
Obviously that's a very contrived example, but perhaps it illus...
A CORS POST request works from plain JavaScript, but why not with jQuery?
...eeded with jquery 1.5.2 any more. But if you want to add custom headers or allow the use of credentials (username, password, or cookies, etc), read on.
I think I found the answer! (4 hours and a lot of cursing later)
//This does not work!!
Access-Control-Allow-Headers: *
You need to manually s...
What is Android keystore file, and what is it used for?
... going to use "push data" in your app!
– KapteinMarshall
Sep 4 '13 at 9:43
Is Keystore machine specific ? Or we can u...
git - Your branch is ahead of 'origin/master' by 1 commit
...ur changes for committing
git commit - this commits your staged changes locally
git push - this pushes your committed changes to a remote
If you push without committing, nothing gets pushed. If you commit without adding, nothing gets committed. If you add without committing, nothing at all happens...
How to run a background task in a servlet based web application?
... your job here which should run every 5 seconds.
}
}
Yes, that's really all. The container will automatically pickup and manage it.
EJB unavailable? Use ScheduledExecutorService
If your environment doesn't support EJB (i.e. you're not using not a real Java EE server, but a barebones servle...