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How do I use itertools.groupby()?
...meone. It's probably because your array is not sorted try groupby(sorted(my_collection, key=lambda x: x[0]), lambda x: x[0])) under the assumption that my_collection = [("animal", "bear"), ("plant", "cactus"), ("animal", "duck")] and you want to group by animal or plant
– Robi...
port forwarding in windows
...
nginx is useful for forwarding HTTP on many platforms including Windows. It's easy to setup and extend with more advanced configuration. A basic configuration could look something like this:
events {}
http {
server {
listen 192.168.1.111:44...
HttpSecurity, WebSecurity and AuthenticationManagerBuilder
Could anyone explain when to override configure(HttpSecurity) , configure(WebSecurity) and configure(AuthenticationManagerBuilder) ?
...
How to determine the content size of a UIWebView?
...gSize.width, fittingSize.height);
}
Swift 4.x
func webViewDidFinishLoad(_ webView: UIWebView) {
var frame = webView.frame
frame.size.height = 1
webView.frame = frame
let fittingSize = webView.sizeThatFits(CGSize.init(width: 0, height: 0))
frame.size = fittingSize
webView.f...
How do I migrate an SVN repository with history to a new Git repository?
...
Magic:
$ git svn clone http://svn/repo/here/trunk
Git and SVN operate very differently. You need to learn Git, and if you want to track changes from SVN upstream, you need to learn git-svn. The git-svn main page has a good examples section:
$ ...
How to specify HTTP error code?
...on 4+) docs, you can use:
res.status(400);
res.send('None shall pass');
http://expressjs.com/4x/api.html#res.status
<=3.8
res.statusCode = 401;
res.send('None shall pass');
share
|
improve ...
What does HTTP/1.1 302 mean exactly?
...s. Quoting Mark Nottingham who, at the time of writing, co-chairs the IETF HTTP and QUIC Working Groups:
Don’t use RFC2616. Delete it from your hard drives, bookmarks, and burn (or responsibly recycle) any copies that are printed out.
The old RFC 2616 has been supplanted by the following doc...
Change a Git remote HEAD to point to something besides master
...
See: http://www.kernel.org/pub/software/scm/git/docs/git-symbolic-ref.html
This sets the default branch in the git repository. You can run this in bare or mirrored repositories.
Usage:
$ git symbolic-ref HEAD refs/heads/<b...
List of encodings that Node.js supports
...onv
npm WARN package.json portalServer@0.1.0 No README.md file found!
npm http GET https://registry.npmjs.org/iconv
npm http 200 https://registry.npmjs.org/iconv
npm http GET https://registry.npmjs.org/iconv/-/iconv-2.0.4.tgz
npm http 200 https://registry.npmjs.org/iconv/-/iconv-2.0.4.tgz
> ico...
jQuery/JavaScript: accessing contents of an iframe
...
In this case, he means use the http server that is serving your domain's page as the proxy - request the content from the 3rd party site and forward it on in the http response to the client. As you can probably guess, it quickly impacts the responsiveness ...