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urllib2.HTTPError: HTTP Error 403: Forbidden
...
It's true that some sites (including Wikipedia) block on common non-browser user agents strings, like the "Python-urllib/x.y" sent by Python's libraries. Even a plain "Mozilla" or "Opera" is usually enough to bypass that. This doesn't apply to the original question, of cou...
What is the type of lambda when deduced with “auto” in C++11?
... is not an aggregate (8.5.1). The closure type is declared in the smallest block scope, class scope, or namespace scope that contains the corresponding lambda-expression. [..]
The clause goes on to list varying properties of this type. Here are some highlights:
[C++11: 5.1.2/5]: The closure type f...
How to know if user is logged in with passport.js?
...this, when there is a un-authenticated request the handlebars skips the if block if the res.locals variable returns a falsy value. To solve this issue you need to setup a middleware in your app.js file to make the req.user available globally in your app Like so..
app.use(function (req, res, next) {...
What is a difference between
...archy like this:
Parent extends Object
Child extends Parent
and a LinkedBlockingQueue<Parent>. You can construct this passing in a List<Child> which will copy all the elements safely, because every Child is a parent. You couldn't pass in a List<Object> because some elements migh...
Android: How can I get the current foreground activity (from a service)?
...there is nothing your service can do with them without either a massive if-block of instanceof checks or refactoring the activities to share a common superclass or interface. And if you're going to refactor the activities, you may as well do it in a way that fits better with the framework and covers...
Add native files from NuGet package to project output directory
...rectory of the actual output directory.
The <PrepareForRunDependsOn ... block adds the custom target to the list of targets the build depends on, see the Microsoft.Common.targets file for details.
The custom target, CopyNativeBinaries, contains two copy tasks. The first one is responsible for cop...
omp parallel vs. omp parallel for
...e current thread into a
new team of threads for the duration of the next block/statement,
after which the team merges back into one. for divides the work of the
for-loop among the threads of the current team.
It does not create
threads, it only divides the work amongst the threads of th...
What's the difference between Invoke() and BeginInvoke()
... that delegate performs I/O (which could make the delegate and your thread block).
In those cases the BeginInvoke would be useful. By calling it, you're telling the delegate to start but then your thread is free to do other things in parallel with the delegate.
Using BeginInvoke increases the com...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
...on a machine, just by visiting a website - and so it would be aggressively blocked by virtually all corporate IT systems.
HTTP is inherently a client-server protocol. While it is reasonably easy to simulate duplex communications using long polling (as well as a couple of other techniques), it is not...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
...by a “memory pool?”
A memory pool is a fixed-size pre-allocated memory block for keeping small-size memory chunks for Buffers. Using it keeps the small-size memory chunks tightly together, so prevents fragmentation caused by separate management (allocation and deallocation) of small-size memory ...