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In Java, what does NaN mean?
...fined (in arithmetics)"... Its not! its actually i and some languages like python deal very well with it... It may be not the case in java thou
– Rafael T
Feb 10 '14 at 18:40
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Using awk to remove the Byte-order mark
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Using GNU sed (on Linux or Cygwin):
# Removing BOM from all text files in current directory:
sed -i '1 s/^\xef\xbb\xbf//' *.txt
On FreeBSD:
sed -i .bak '1 s/^\xef\xbb\xbf//' *.txt
Advantage of using GNU or FreeBSD sed: the -i parameter m...
Remote Connections Mysql Ubuntu
...lsof does not return or is not found you can install it HERE based on your Linux distribution. You do not need lsof to make things work, but it is extremely handy when things are not working as expected.
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Example of Named Pipes
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Linux dotnet core doesn't support namedpipes!
Try TcpListener if you deploy to Linux
This NamedPipe Client/Server code round trips a byte to a server.
Client writes byte
Server reads byte
Server writes byte
Client reads byt...
Can I “multiply” a string (in C#)?
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I don't think it's elegant at all. In python the code to do this is: snip * multiplier (It's not horrible.. but neither is it beautiful).
– demented hedgehog
Jun 2 '15 at 2:56
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How does this milw0rm heap spraying exploit work?
...you can write the following c program to test it:
vim execShellcode.cc; //linux command to create c file.
/*Below is the content of execShellcode.cc*/
unsigned char PAYLOAD[] =
"\xeb\x1a\x59\x48\x31\xc0\xb0\x04\x48\x31\xdb\x48\xff\xc3\x48\x31\xd2\xb2\xd0\xcd\x80\xb0\x01\x48\xff\xcb\xcd\x80\xe8\xe...
What does “#define _GNU_SOURCE” imply?
... you define _GNU_SOURCE, you will get:
access to lots of nonstandard GNU/Linux extension functions
access to traditional functions which were omitted from the POSIX standard (often for good reason, such as being replaced with better alternatives, or being tied to particular legacy implementations)...
How to exit from PostgreSQL command line utility: psql
...tion to always working in pgsql it'll work in most your other unix shells (python, mysql, etc). If you always do things the "standard" way in 'nix your brain will be less cluttered with trivia.
– hobs
Nov 7 '13 at 22:10
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How do you create different variable names while in a loop? [duplicate]
...(cat_4)
8
Here I am taking advantage of the handy f string formatting in Python 3.6+
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Should I use != or for not equal in T-SQL?
... its existence in every C-influenced language I have used, and because the Python documentation says: "The forms <> and != are equivalent; for consistency with C, != is preferred; where != is mentioned below <> is also accepted. The <> spelling is considered obsolescent." But SQL i...