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Accessing the web page's HTTP Headers in JavaScript
...o read the current headers. You could make another request to the same URL and read its headers, but there is no guarantee that the headers are exactly equal to the current.
Use the following JavaScript code to get all the HTTP headers by performing a get request:
var req = new XMLHttpRequest();...
How to use pip with Python 3.x alongside Python 2.x
I installed Python 3.x (besides Python 2.x on Ubuntu) and slowly started to pair modules I use in Python 2.x.
10 Answers
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Testing modules in rspec
...ting modules in rspec? I have some modules that get included in few models and for now I simply have duplicate tests for each model (with few differences). Is there a way to DRY it up?
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How to pretty print XML from Java?
...s. If you don't want to add this dependency then you can simply use the standard jdk libraries and javax.xml.transform.Transformer (see my answer below)
– khylo
Dec 17 '10 at 16:28
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Which version of Perl should I use on Windows? [closed]
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Strawberry Perl is just getting better and better. One problem I've repeatedly had with ActiveState is that my modules sometimes fail to install because I need an upgrade to a core module, but they won't allow that. Thus, everybody who doesn't use Windows can us...
Private module methods in Ruby
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I think the best way (and mostly how existing libs are written) to do this is by creating a class within the module that deals with all the logic, and the module just provides a convenient method, e.g.
module GTranslate
class Translator
def...
Is there a max array length limit in C++?
... the restrictions of the size type used to describe an index in the array (and the size thereof). It is given by the maximum value the system's std::size_t can take. This data type is large enough to contain the size in bytes of any object
The other limit is a physical memory limit. The larger your...
Rebuild IntelliJ project indexes
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File -> Invalidate caches...
(Force rebuild of all caches and indices on next startup)
Restart IntelliJ IDEA.
Caution: This might Remove local history.
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How to simulate Android killing my process
Android will kill a process if it is in the background and the OS decides it needs the resources (RAM, CPU, etc.). I need to be able to simulate this behaviour during testing so that I can ensure that my application is behaving correctly. I want to be able to do this in an automated way so that I ca...
Is there a way to instantiate objects from a string holding their class name?
...<DerivedA>;
map["DerivedB"] = &createInstance<DerivedB>;
And then you can do
return map[some_string]();
Getting a new instance. Another idea is to have the types register themself:
// in base.hpp:
template<typename T> Base * createT() { return new T; }
struct BaseFactor...