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print call stack in C or C++
...BOOST_STACKTRACE_USE_ADDR2LINE
#include <boost/stacktrace.hpp>
void my_func_2(void) {
std::cout << boost::stacktrace::stacktrace() << std::endl;
}
void my_func_1(double f) {
(void)f;
my_func_2();
}
void my_func_1(int i) {
(void)i;
my_func_2();
}
int main(int...
How does Google calculate my location on a desktop?
...using me quite a bit, i'm not sure if any of you have noticed or used the "my location" feature on google maps using your desktop (or none GPS/none mobile device). If you have a browser with google gears (easiest to use is Google Chrome) then you will have a blue circle above the zoom function in G...
oh-my-zsh slow, but only for certain Git repo
...rted using Zsh and it's awesome. Unfortunately, for the project I consider my "main" project, everything is slow. What I mean is that every time I run a command - ls , for example - there's about a five-second delay between the time the command is executed and the time I can use the terminal again....
How to dynamically load a Python class
Given a string of a Python class, e.g. my_package.my_module.MyClass , what is the best possible way to load it?
10 Answers...
How to iterate over arguments in a Bash script
...fully: "${array[@]}" behaves analogously to "$@".)
Example:
$ mkdir "my dir" anotherdir
$ ls
anotherdir my dir
$ cp /dev/null "my dir/my file"
$ cp /dev/null "anotherdir/myfile"
$ ls -Fltr
total 0
drwxr-xr-x 3 jleffler staff 102 Nov 1 14:55 my dir/
drw...
Reading output of a command into an array in Bash
I need to read the output of a command in my script into an array. The command is, for example:
3 Answers
...
Best way to iterate through a Perl array
... #2 is good when you do queues (e.g. breadth-first searches): my @todo = $root; while (@todo) { my $node = shift; ...; push @todo, ...; ...; }
– ikegami
Feb 2 '15 at 14:40
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How come an array's address is equal to its value in C?
...
That's because the array name (my_array) is different from a pointer to array. It is an alias to the address of an array, and its address is defined as the address of the array itself.
The pointer is a normal C variable on the stack, however. Thus, you ca...
Globally override key binding in Emacs
... for that key? I want to override all major/minor mode maps and make sure my binding is always in effect.
8 Answers
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How to assign the output of a command to a Makefile variable
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Use the Make shell builtin like in MY_VAR=$(shell echo whatever)
me@Zack:~$make
MY_VAR IS whatever
me@Zack:~$ cat Makefile
MY_VAR := $(shell echo whatever)
all:
@echo MY_VAR IS $(MY_VAR)
...