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How to run a background task in a servlet based web application?
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I would suggest using a library like quartz in order to run the task at regular intervals. What does the servlet really do ? It sends you a report ?
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Building and running app via Gradle and Android Studio is slower than via Eclipse
... bought a new SSD and went from Windows to Linux.My build times are now an order of magnitude faster, and no longer annoying.
Though it does not directly answer your question as to why it's slower than eclipse, it shows that the process is disk-bounded and an upgrade to an SSD might be a (somewhat...
In-Place Radix Sort
...processed.
Next, regenerate your list.
Iterate through the 64 buckets in order, for the count found in that bucket, generate that many instances of the sequence represented by that bucket.
when all of the buckets have been iterated, you have your sorted array.
A sequence of 4, adds 2 bits, so the...
What is git actually doing when it says it is “resolving deltas”?
...on't want to have to play back every single change ever on a given file in order to get the current version, so Git also has occasional snapshots of the file contents stored as well. "Resolving deltas" is the step that deals with making sure all of that stays consistent.
Here's a chapter from the "...
iOS app error - Can't add self as subview
...rotocol, in any case. And I've found that in iOS8 events fire in different orders, and some things that used to be more or less synchronous now return fast but schedule things to get done on background asynchronously, creating lots of new timing bugs like these. Thanks, Apple!
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Replace only some groups with Regex
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In order for this to work, I had to add .Value to m.Groups[1] etc.
– jbeldock
Dec 4 '13 at 19:02
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How do I 'overwrite', rather than 'merge', a branch on another branch in Git?
...ible solutions. If you absolutely require the merge parents in the correct order, need perform this action with a single command line invocation, and don't mind running plumbing commands, you can do the following:
$ git checkout A
$ git merge --ff-only $(git commit-tree -m "Throw away branch 'A'" -p...
Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
... manual processing allows them to take additional checks before filling an order. I'm told that they reject a little over 20% of all their transactions - processing manually certainly takes extra time and in one case they have an employee who does nothing but process transactions, but the cost of p...
python requests file upload
...ntioned in a fix for the issue of "large file uploads eating up memory" in order to avoid using memory inefficiently on large files upload (s.t. 22 GiB file in ~60 seconds. Memory usage is constant at about 13 MiB.).
@app.route("/upload", methods=['POST'])
def upload_file():
def custom_stream_f...
How does the socket API accept() function work?
.... This was done to improve per-packet performance: computers were several orders of magnitude slower in those days.
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