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Copy a file in a sane, safe and efficient way
... sane way:
#include <fstream>
int main()
{
std::ifstream src("from.ogv", std::ios::binary);
std::ofstream dst("to.ogv", std::ios::binary);
dst << src.rdbuf();
}
This is so simple and intuitive to read it is worth the extra cost. If we were doing it a lot, better to f...
Git: Create a branch from unstaged/uncommitted changes on master
...ranch_name
does not touch your local changes. It just creates the branch from the current HEAD and sets the HEAD there.
So I guess that's what you want.
--- Edit to explain the result of checkout master ---
Are you confused because checkout master does not discard your changes?
Since the change...
How can I force division to be floating point? Division keeps rounding down to 0?
...n Python 3, it produces a float. We can get the new behaviour by importing from __future__.
>>> from __future__ import division
>>> a = 4
>>> b = 6
>>> c = a / b
>>> c
0.66666666666666663
...
How do you loop through each line in a text file using a windows batch file?
...
A minor addition: to make this work from the command line interactively, replace %%A with %A in the above command. Otherwise you'll get %%A was unexpected at this time..
– vadipp
Nov 12 '12 at 12:02
...
What is declarative programming? [closed]
... It will be really great if you can mention on how it is different from imperative programming (languages like C, C++, C#) then it will be more easier for readers to make out the difference.
– RBT
Dec 7 '16 at 23:44
...
How to prevent ENTER keypress to submit a web form?
How do you prevent an ENTER key press from submitting a form in a web-based application?
29 Answers
...
Using OpenGl with C#? [closed]
......
Update 18th January 2016: Today the OpenTK maintainer has stepped away from the project, leaving its future uncertain. The forums are filled with spam. The maintainer recommends moving to MonoGame or SDL2#.
Update 30th June 2020: OpenTK has had new maintainers for a while now and has an active d...
Unable to execute dex: method ID not in [0, 0xffff]: 65536
...ally patch the application ClassLoader, so it will be able to load classes from secondary dexes. Fortunately, there's a library that does that for you. Add it to your app's dependencies:
dependencies {
...
compile 'com.android.support:multidex:1.0.0'
}
You need to call the ClassLoader patc...
How can I pass command-line arguments to a Perl program?
...rts only single-character switches and GetOpt::Long is much more flexible. From GetOpt::Long:
use Getopt::Long;
my $data = "file.dat";
my $length = 24;
my $verbose;
$result = GetOptions ("length=i" => \$length, # numeric
"file=s" => \$data, # string
...
How do I uninstall nodejs installed from pkg (Mac OS X)?
I installed NodeJS from pkg file on my Mac. Now I need to uninstall it. Tell me please how to do it.
I tried to remove files from this list:
...