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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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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...
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...
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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Generating an MD5 checksum of a file
...on't be able to fit the whole file in memory. In that case, you'll have to read chunks of 4096 bytes sequentially and feed them to the md5 method:
import hashlib
def md5(fname):
hash_md5 = hashlib.md5()
with open(fname, "rb") as f:
for chunk in iter(lambda: f.read(4096), b""):
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Split output of command by columns using Bash?
... Linux you could simply do xargs -0n1 </proc/$PID/cmdline | head -n1 or readlink /proc/$PID/exe, but anyhow...
– ephemient
Oct 27 '09 at 16:09
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