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How Python web frameworks, WSGI and CGI fit together
...POST-oriented input as a file-like object in the environment. It also provides you a function that will formulate the response, saving you from a lot of formatting details.
What do I need to know / install / do if I want to run a web framework (say web.py or cherrypy) on my basic CGI configuration...
What does auto&& tell us?
...eness it originally had so I can use it most efficiently - this might invalidate it. As in:
auto&& var = some_expression_that_may_be_rvalue_or_lvalue;
// var was initialized with either an lvalue or rvalue, but var itself
// is an lvalue because named rvalues are lvalues
use_it_elsewhere(st...
What's the idiomatic syntax for prepending to a short python list?
...orm is the most common.
Whenever you see it though, it may be time to consider using a collections.deque instead of a list.
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Python (and Python C API): __new__ versus __init__
...t.__init__ reinitialises the object
[3, 4]
As to why they're separate (aside from simple historical reasons): __new__ methods require a bunch of boilerplate to get right (the initial object creation, and then remembering to return the object at the end). __init__ methods, by contrast, are dead sim...
External template in Underscore
...cate doing this anymore. Instead, I would separate all templates into individual HTML files. Some would suggest loading these asynchronously (Require.js or a template cache of sorts). That works well on small projects but on large projects with lots of templates, you find yourself making a ton of ...
Set Background cell color in PHPExcel
... 'fill' => array(
'type' => PHPExcel_Style_Fill::FILL_SOLID,
'color' => array('rgb' => 'FF0000')
)
)
);
Source: http://bayu.freelancer.web.id/2010/07/16/phpexcel-advanced-read-write-excel-made-simple/
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Caveats of select/poll vs. epoll reactors in Twisted
... and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price.
...
Why does the JVM still not support tail-call optimization?
...the Java language actually exposes the stack trace to the programmer.
Consider the following program:
public class Test {
public static String f() {
String s = Math.random() > .5 ? f() : g();
return s;
}
public static String g() {
if (Math.random() > .9)...
Why covariance and contravariance do not support value type
...so long as the infrastructure has guaranteed that it will definitely be valid.
For value types, that doesn't work - to treat an IEnumerable<int> as an IEnumerable<object>, the code using the sequence would have to know whether to perform a boxing conversion or not.
You might want to re...
What is the smallest possible valid PDF?
...uriosity, having seen the smallest GIF , what is the smallest possible valid PDF file?
4 Answers
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