
c++ - Difference between .a .o and .lo file - Stack Overflow
May 5, 2011 · Filetype .lo. The use of .lo is a convention that is often used for position independent object files. In the current directory the libtool compile command creates both a …
c++ - What does (~0L) mean? - Stack Overflow
Dec 22, 2014 · 0L is a long integer value with all the bits set to zero - that's generally the definition of 0.The ~ means to invert all the bits, which leaves you with a long integer with all the bits set …
What does this regular expression mean /^[a-z]{1}[a-z0-9_]{3,13}$/
Jun 24, 2014 · Assert position at the beginning of the string «^» Match a single character in the range between “a” and “z” «[a-z]{1}» Exactly 1 times «{1}» Match a single character present in …
c - What do 0LL or 0x0UL mean? - Stack Overflow
Aug 12, 2011 · Constants are expressions with a fixed value. Literals are the most obvious kind of constants. They are used to express particular values within the source code of a program.
Why use -Lo- with curl when piping to bash? - Stack Overflow
Oct 2, 2015 · The -o is redundant, they produce the exact same output: $ curl --silent example.com | sha256sum …
sql - How to find any variation of the number zero; 0, 0.0, 00.00, 0. ...
Jan 13, 2018 · Assuming the assignment is to exclude all strings that consist entirely of zero's, at most one decimal point and possibly leading and/or trailing spaces, here is one way to do it, …
c - why is *pp [0] equal to **pp - Stack Overflow
Jan 27, 2016 · So I am trying to figure out pointers and I read some posts on pointers to pointers but I can't still figure out why this program runs without trouble #include <stdio.h> #include …
c++ - .c vs .cc vs. .cpp vs .hpp vs .h vs .cxx - Stack Overflow
Historically, the first extensions used for C++ were .c and .h, exactly like for C.This caused practical problems, especially the .c which didn't allow build systems to easily differentiate C++ …
How do I log in using the Git terminal? - Stack Overflow
user.name & user.email have nothing to do with the server communication - they are used only when committing. If you use HTTP to access your repo, then add another remote with your …
python - Plot logarithmic axes - Stack Overflow
Nov 26, 2023 · I want to plot a graph with one logarithmic axis using matplotlib. Sample program: import matplotlib.pyplot as plt a = [pow(10, i) for i in range(10)] # exponential fig = plt.figure() …