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How to get first element in a list of tuples?
...tually a list of sets, then there is no first element because sets have no order.
Here I've created a flat list because generally that seems more useful than creating a list of 1 element tuples. However, you can easily create a list of 1 element tuples by just replacing seq[0] with (seq[0],).
...
libpng warning: iCCP: known incorrect sRGB profile
...the Qt Library.
Example
Here is a minimal example I have written in C++ in order to demonstrate how to implement the proposed solution:
QPixmap pixmap;
pixmap.load("badProfileImage.png");
QFile file("goodProfileImage.png");
file.open(QIODevice::WriteOnly);
pixmap.save(&file, "PNG");
The comple...
Android - Package Name convention
...l files while developing on android).
The reason for having it in reverse order is to do with the layout on the storage media. If you consider each period ('.') in the application name as a path separator, all applications from a publisher would sit together in the path hierarchy.
So, for instance,...
Multiprocessing vs Threading Python [duplicate]
...in CPython?
Process vs thread experiments
I did a bit of benchmarking in order to show the difference more concretely.
In the benchmark, I timed CPU and IO bound work for various numbers of threads on an 8 hyperthread CPU. The work supplied per thread is always the same, such that more threads me...
Removing event listener which was added with bind
...
constructor(props){
super(props);
// it's a trick! needed in order to overcome the remove event listener
this.onChange = this.onChange.bind(this);
}
// then as regular...
componentDidMount (){
AppStore.addChangeListener(this.onChange);
}
componentWillUnmo...
Git Symlinks in Windows
... "true" NTFS symlinks is that elevated UAC permissions are not required in order for them to be created.
To remove symlinks from submodules, just use git's built-in support for iterating over them:
git submodule foreach --recursive git rm-symlinks
But, for every drastic action like this, a rever...
How can I perform a `git pull` without re-entering my SSH password?
... This link was helpful in explaining what commands to run in order to get your passphrase saved in ssh-agent: rabexc.org/posts/using-ssh-agent
– Mateus Gondim
Oct 11 '17 at 15:36
...
JavaScript function similar to Python range()
.... I did not add defensive checks for types etc., but I implemented reverse order of elements - it now works exactly the same as Python counterpart, when the last param is negative integer.
– Tadeck
Nov 25 '11 at 18:59
...
What is the correct syntax of ng-include?
...pp/templates/includes) and the calling file is (public/app/templates/index.php) the include path needed to be (app/templates/includes/filetoinclude.php). I could not get relative to work.
– Jason Spick
Mar 10 '14 at 13:38
...
Getting distance between two points based on latitude/longitude
...ect-osrm.org')
coordinates_osrm = [[lon1, lat1], [lon2, lat2]] # note that order is lon, lat
osrm_response = osrm_client.route(coordinates=coordinates_osrm, overview=osrm.overview.full)
dist_osrm = osrm_response.get('routes')[0].get('distance')/1000 # in km
print('distance using OSRM: ', dist_o...