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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
..., long poll, streaming.
Bi-direcitonal: WebSockets, plugin networking
In order of increasing latency (approximate):
WebSockets
Plugin networking
HTTP streaming
HTTP long-poll
HTTP polling
CORS (cross-origin support):
WebSockets: yes
Plugin networking: Flash via policy request (not sure about...
Efficient paging in SQLite with millions of records
...
Please note that you always have to use an ORDER BY clause; otherwise, the order is arbitrary.
To do efficient paging, save the first/last displayed values of the ordered field(s), and continue just after them when displaying the next page:
SELECT *
FROM MyTable
WHE...
Git cherry pick vs rebase
...nto it.
Tries to apply each of the saved commits (as if with git apply) in order. In our toy example it's just one commit, C3. Let's say its application will produce a commit C3'.
If all went well, the "experiment" reference is updated to point to the commit resulted from applying the last saved com...
Calling parent class __init__ with multiple inheritance, what's the right way?
...he other hand, it's easier to make mistakes. For example if you change the order of Foo and Bar (like class FooBar(Bar, Foo)), you'd have to update the super calls to match. Without super you don't have to worry about this, and the code is much more readable.
One of the classes is a mixin.
A mixin...
How to query as GROUP BY in django?
... @Gidgidonihah True, the example should read Members.objects.order_by('disignation').values('designation').annotate(dcount=Count('designation'))
– bjunix
Oct 30 '14 at 15:16
...
Is C++14 adding new keywords to C++?
...le because no existing code could use auto as an identifier anyway.
So in order to accept a new keyword there needs to be a justification that outweighs the cost of a potential clash with existing code and no sensible way to implement the same thing without a new keyword. In the case of C++11, the ...
Performance of Arrays vs. Lists
...ing the Capacity of the list to the number of items it will hold.
But, in order to figure out if iterating over a List is as fast as iterating over an array, why don't you benchmark it ?
int numberOfElements = 6000000;
List<int> theList = new List<int> (numberOfElements);
int[] theAr...
In which order do CSS stylesheets override?
...
Then there's no specific rule as to in what order stylesheets load? I understand how CSS displays in terms of specificity, but then I'll assume my master sheet will load unless overridden.
– ian5v
Feb 27 '12 at 1:49
...
How to use cURL to get jSON data and decode the data?
...tps://.../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1";
Using cURL
// Initiate curl
$ch = curl_init();
// Will return the response, if false it print the response
curl_setopt($ch, CURLOP...
PHP-FPM doesn't write to error log
...ile to edit is the file that configure your desired pool.
By default its: /etc/php-fpm.d/www.conf
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