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Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...ween 5+ multiprocessing Process objects. I've seen numpy-sharedmem and read this discussion on the SciPy list. There seem to be two approaches-- numpy-sharedmem and using a multiprocessing.RawArray() and mapping NumPy dtype s to ctype s. Now, numpy-sharedmem seems to be the way to go, b...
SQLite Concurrent Access
Does SQLite3 safely handle concurrent access by multiple processes
reading/writing from the same DB? Are there any platform exceptions to that?
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How to split one string into multiple variables in bash shell? [duplicate]
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Although this is very simple to read and write, is a very slow solution because forces you to read twice the same data ($STR) ... if you care of your script performace, the @anubhava solution is much better
– FSp
Nov 2...
How to parse Excel (XLS) file in Javascript/HTML5
I am able to read Excel file via FileReader but it outputs text as well as weird characters with it. I need to read xls file row-wise, read data in every column and convert it to JSON.
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What is the difference between char s[] and char *s?
... here is that
char *s = "Hello world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = "Hello world";
puts the literal string in read-only memory and copies the string t...
Replace string within file contents
...f you'd like to replace the strings in the same file, you probably have to read its contents into a local variable, close it, and re-open it for writing:
I am using the with statement in this example, which closes the file after the with block is terminated - either normally when the last command f...
Bash: infinite sleep (infinite blocking)
...p. (On my Ubuntu64 16.10 this adds several 10 syscalls per second on an already busy system.)
The question was for a blocking command
Unfortunately, there is no such thing ..
Read: I do not know any way to archive this with the shell directly.
Everything (even sleep infinity) can be interrupted...
Reading settings from app.config or web.config in .NET
I'm working on a C# class library that needs to be able to read settings from the web.config or app.config file (depending on whether the DLL is referenced from an ASP.NET web application or a Windows Forms application).
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Error Code: 2013. Lost connection to MySQL server during query
...or me it was under Edit → Preferences → SQL Editor → DBMS connection read time out (in seconds): 600
Changed the value to 6000.
Also unchecked limit rows as putting a limit in every time I want to search the whole data set gets tiresome.
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Check if object is file-like in Python
...e objects are objects in Python that behave like a real file, e.g. have a read() and a write method(), but have a different implementation. It is and realization of the Duck Typing concept.
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