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Use numpy array in shared memory for multiprocessing
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While the answers already given are good, there is a much easier solution to this problem provided two conditions are met:
You are on a POSIX-compliant operating system (e.g. Linux, Mac OSX); and
Your child processes need read-only access to t...
How to zip a whole folder using PHP
...e content of the folder except important.txt". Also I advice you to always read code before execute it.
– Dador
Apr 21 '15 at 23:12
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Checking from shell script if a directory contains files
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How about the following:
if find /some/dir/ -maxdepth 0 -empty | read v; then echo "Empty dir"; fi
This way there is no need for generating a complete listing of the contents of the directory. The read is both to discard the output and make the expression evaluate to true only when somet...
How can you program if you're blind?
...ll be based off these. I use windows xp as my operating system and Jaws to read what appears on the screen to me in synthetic speech. For java programming I use eclipse, since it’s a fully featured IDE that is accessible.
In my experience as a general rule java programs that use SWT as the GUI t...
What is the non-jQuery equivalent of '$(document).ready()'?
What is the non-jQuery equivalent of $(document).ready() ?
9 Answers
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How to programmatically take a screenshot on Android?
...png").getBytes("ASCII"));
os.flush();
os.close();
sh.waitFor();
then read img.png as Bitmap and use as your wish.
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in a “using” block is a SqlConnection closed on return or exception?
...plicitly .Commit or .Rollback transactions in the catch. This is both more readable and explicit, and permits you to commit if that makes sense given the type of the exception. (Transactions implicitly roll back on conn.Close if not committed.).
– Chris
May 2 '...
Reason to Pass a Pointer by Reference in C++?
...the user of that class could get a pointer to the internal data buffer and read/write to it, but it cannot – for example – free that buffer using delete or rebind that pointer to some other place in memory? Or did I get it wrong?
– BarbaraKwarc
Aug 4 '16 at...
Differences between C++ string == and compare()?
I just read some recommendations on using
9 Answers
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
... with the contents of another document, but only the fields that are not already present, and completely ignore the fields that are already set (even if to another value).
There is no way to do that in a single command.
You have to query the document first, figure out what you want to $set and the...