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How can I update a single row in a ListView?
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200
I found the answer, thanks to your information Michelle.
You can indeed get the right view usin...
Thread vs ThreadPool
...ts for new work items (I believe this is only in .NET 3.5)
If you queue 100 thread pool tasks, it will only use as many threads as have already been created to service these requests (say 10 for example). The thread pool will make frequent checks (I believe every 500ms in 3.5 SP1) and if there are...
Find and restore a deleted file in a Git repository
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G. Sliepen
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answered Jul 11 '09 at 7:12
CB BaileyCB Bailey
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Can't create handler inside thread that has not called Looper.prepare()
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720
You're calling it from a worker thread. You need to call Toast.makeText() (and most other functi...
Intellij IDEA Java classes not auto compiling on save
...d Jun 18 '19 at 12:41
informatik01
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answered Oct 5 '12 at 10:35
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Fast check for NaN in NumPy
...se numpy.sum in place of numpy.min:
In [13]: %timeit np.isnan(np.min(x))
1000 loops, best of 3: 244 us per loop
In [14]: %timeit np.isnan(np.sum(x))
10000 loops, best of 3: 97.3 us per loop
Unlike min, sum doesn't require branching, which on modern hardware tends to be pretty expensive. This is ...
How can I remove duplicate rows?
...way to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?
38 Answers
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Vagrant error : Failed to mount folders in Linux guest
...have some issues with Vagrant shared folders, my base system is Ubuntu 13.10 desktop.
21 Answers
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Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
...er why?
– bhavinb
Nov 29 '12 at 13:50
1
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How to reload a clojure file in REPL
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MingMing
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