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Numpy `logical_or` for more than two arguments
....any(axis=0)
k = 10 # number of arrays to be combined
perfplot.plot(
setup=lambda n: [numpy.random.choice(a=[False, True], size=n) for j in range(k)],
kernels=[
lambda l: and_recursive(*l),
lambda l: and_reduce(*l),
lambda l: and_stack(*l),
lambda l: or_recu...
How can I create directory tree in C++/Linux?
...nt and stand the test of time, it is WELL worth the compile to have such a set of incredibly useful and powerful standardized tools as boost. A ton of it has already made its way into standard C++, certainly with more to come. Try it out, stick with it, you'll benefit if you have more than trivial...
When would I use Task.Yield()?
... = SynchronizationContext.Current;
if (sc != null)
sc.Post(_ => tcs.SetResult(true), null);
else
ThreadPool.QueueUserWorkItem(_ => tcs.SetResult(true));
await tcs.Task;
Task.Yield() can be used as a short-cut for some weird execution flow alterations. For example:
async Task DoDialo...
How to properly add cross-site request forgery (CSRF) token using PHP
...ndom number generator.
Looks like you need an else with your if.
if (!isset($_SESSION['token'])) {
$token = md5(uniqid(rand(), TRUE));
$_SESSION['token'] = $token;
$_SESSION['token_time'] = time();
}
else
{
$token = $_SESSION['token'];
}
...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
...ery element (including the cell itself) opaque for performance. That means setting the appropriate background color in everything.
3.6) When using an NSURLConnection, as a rule you may well want to implement the delegate method:
- (NSCachedURLResponse *)connection:(NSURLConnection *)connection
...
What is the fastest method for selecting descendant elements in jQuery?
...;!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=7, IE=8, IE=9, chrome=1" />
<title>HTML5 test</title>
<script src="//code.jquery.com/jquery-2.1.1.js"></script>
&l...
Is it considered acceptable to not call Dispose() on a TPL Task object?
...Join() first.
The Task class adds one handle to this, an internal manual reset event. Which is the cheapest operating system resource there is. Of course, its Dispose() method can only release that one event handle, not the 5 handles that Thread consumes. Yeah, don't bother.
Do beware that you ou...
How to check if a table exists in a given schema
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64-bit version of Boost for 64-bit windows
...
As a short answer:
bjam --toolset=msvc-9.0 address-model=64 --build-type=complete
As a longer answer, here are my build notes for having VS .NET 2008 32-bit and 64-bit boost libraries in the same hierarchy (which is I suspect a common use case):
Build...
How do I add a submodule to a sub-directory?
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