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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
...assic HTTP web traffic first.
Regular HTTP:
A client requests a webpage from a server.
The server calculates the response
The server sends the response to the client.
Ajax Polling:
A client requests a webpage from a server using regular HTTP (see HTTP above).
The client receives the reques...
Add & delete view from Layout
How can I add & delete a view from a layout?
10 Answers
10
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fetch from origin with deleted remote branches?
...
From http://www.gitguys.com/topics/adding-and-removing-remote-branches/
After someone deletes a branch from a remote repository, git will not
automatically delete the local repository branches when a user does a
git ...
Convert UTC datetime string to local datetime
I've never had to convert time to and from UTC. Recently had a request to have my app be timezone aware, and I've been running myself in circles. Lots of information on converting local time to UTC, which I found fairly elementary (maybe I'm doing that wrong as well), but I can not find any informat...
how can I see what ports mongo is listening on from mongo shell?
...ngo instance running, how can I check what port numbers it is listening on from the shell? I thought that db.serverStatus() would do it but I don't see it. I see this
...
How to remove files from git staging area?
...k added too many files to the staging area. How can I delete all the files from the staging area?
14 Answers
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Using git, how do I ignore a file in one branch but have it committed in another branch?
...k and dirty:
$ git branch public_viewing
$ cd .git/
$ touch info/exclude_from_public_viewing
$ echo "path/to/secret/file" > info/exclude_from_public_viewing
then in the .git/config file add these lines:
[core]
excludesfile = +info/exclude
[branch "public_viewing"]
excludesfile = +info/exc...
RuntimeWarning: DateTimeField received a naive datetime
...to the model. Here's how a timezone-aware object looks like:
>>> from django.utils import timezone
>>> import pytz
>>> timezone.now()
datetime.datetime(2013, 11, 20, 20, 8, 7, 127325, tzinfo=pytz.UTC)
And here's a naive object:
>>> from datetime import datetim...
What are Makefile.am and Makefile.in?
...efile.in to generate a Makefile.
The configure script itself is generated from a programmer-defined file named either configure.ac or configure.in (deprecated). I prefer .ac (for autoconf) since it differentiates it from the generated Makefile.in files and that way I can have rules such as make dis...
Getting a random value from a JavaScript array
...ed in your project you can use _.sample.
// will return one item randomly from the array
_.sample(['January', 'February', 'March']);
If you need to get more than one item randomly, you can pass that as a second argument in underscore:
// will return two items randomly from the array using unders...