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C++ STL Vectors: Get iterator from index?
... perfectly legal to do this folowing, according to me:
int main()
{
void foo(const char *);
sdt::vector<char> vec;
vec.push_back('h');
vec.push_back('e');
vec.push_back('l');
vec.push_back('l');
vec.push_back('o');
vec.push_back('/0');
foo(&vec[0]);
}
Of course, either foo must not c...
Automatically capture output of last command into a variable using Bash?
...anguage. Yes, you can assign the output to variable
MY_VAR="$(find -name foo.txt)"
echo "$MY_VAR"
But better hope your hardest that find only returned one result and that that result didn't have any "odd" characters in it, like carriage returns or line feeds, as they will be silently modified wh...
Is there a way to provide named parameters in a function call in JavaScript?
...y(null, arguments);
};
};
}());
Which you would use as:
var foo = parameterfy(function(a, b, c) {
console.log('a is ' + a, ' | b is ' + b, ' | c is ' + c);
});
foo(1, 2, 3); // a is 1 | b is 2 | c is 3
foo(1, {b:2, c:3}); // a is 1 | b is 2 | c is 3
foo(1, {c:3}); // a i...
How do I parse a URL into hostname and path in javascript?
... Nice! Relative URLs break it though... :( new URL('/stuff?foo=bar#baz')-> SyntaxError: Failed to construct 'URL': Invalid URL
– lakenen
Jun 10 '14 at 20:25
58
...
OS X Bash, 'watch' command
...expand parameters before running the script, so in a directory with files "foo" and "bar", you'd run cat foo bar every 2 seconds. What behaviour were you expecting?
– ghoti
Aug 19 '13 at 14:33
...
Find and replace with sed in directory and sub directories
...ce between -i and its argument, but in BSD sed there is… so BSD -i '' 's/foo/bar/' is equivalent to GNU -i 's/foo/bar/.
– paulmelnikow
Feb 18 '14 at 22:03
20
...
How can I see the assembly code for a C++ program?
...ly listing, and -ah adds "high-level source" listing):
g++ -g -c -Wa,-alh foo.cc
For Visual Studio, use /FAsc.
Peek into the binary
If you have compiled binary,
use objdump -d a.out on UNIX (also works for cygwin),
dumpbin /DISASM foo.exe on Windows.
Use your debugger
Debuggers could also...
Removing multiple keys from a dictionary safely
...
Why not like this:
entries = ('a', 'b', 'c')
the_dict = {'b': 'foo'}
def entries_to_remove(entries, the_dict):
for key in entries:
if key in the_dict:
del the_dict[key]
A more compact version was provided by mattbornski using dict.pop()
...
initializer_list and move semantics
...ate just one version of the code in the context of the callee (i.e. inside foo it does not know anything about the arguments that the caller is passing in)
– David Rodríguez - dribeas
Nov 19 '11 at 10:34
...
final keyword in method parameters [duplicate]
...uld happen when it's allowed to change extension here?
// extension = "foo";
return fileFilter;
}
Removing the final modifier would result in compile error, because it isn't guaranteed anymore that the value is a runtime constant. Changing the value from outside the anonymous class would ...