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What's the difference between deque and list STL containers?
...tainer stores its data in memory:
A vector is a single contiguous memory block.
A deque is a set of linked memory blocks, where more than one element is stored in each memory block.
A list is a set of elements dispersed in memory, i.e.: only one element is stored per memory "block".
Note that th...
How to identify platform/compiler from preprocessor macros?
...
See: http://predef.sourceforge.net/index.php
This project provides a reasonably comprehensive listing of pre-defined #defines for many operating systems, compilers, language and platform standards, and standard libraries.
...
Nesting await in Parallel.ForEach
...hread for the duration of the async call.
You could “fix” that by blocking the ForEach() threads, but that defeats the whole point of async-await.
What you could do is to use TPL Dataflow instead of Parallel.ForEach(), which supports asynchronous Tasks well.
Specifically, your code could ...
Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...asynchronously. No state is shared. No locking problems exist. There is no blocking. There is no synchronization needed. Just like when you use a RESTful service from your Node program you don't worry that it is now "multithreaded" because the RESTful service is not in the same thread as your own ev...
Webrick as production server vs. Thin or Unicorn?
...e that has multiple components, and maybe one section is Rails, another is PHP, and rewrites are needed for both (i.e. rewrite old PHP paths to Rails)
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What is the difference between ManualResetEvent and AutoResetEvent in .NET?
... Could you up-vote it now ? No one will practically do the second code block here, it's a matter of understanding the difference.
– vezenkov
Oct 13 '15 at 8:06
add a comme...
Vertically centering Bootstrap modal window
...ble when you have bootstrap animations on). Be sure to set the display to "block" before positioning, otherwise $dialog.height() will be 0 and the modal will not be centered completely.
(function ($) {
"use strict";
function centerModal() {
$(this).css('display', 'block');
v...
How to center an iframe horizontally?
...
Add display:block; to your iframe css.
div, iframe {
width: 100px;
height: 50px;
margin: 0 auto;
background-color: #777;
}
iframe {
display: block;
border-style:none;
}
<div>div</div>
<iframe ...
Why should C++ programmers minimize use of 'new'?
...d automatically at the end of scope. As soon as execution of current code block (delimited using {}) is completed, memory for all variables in that block is automatically collected. This is also the moment where destructors are invoked to clean up resources.
Heap
The heap allows for a more flexibl...
How can I default a parameter to Guid.Empty in C#?
...lt to a new object creates a new object every time the method is called in PHP; but only creates one object for the entire program in Python. Really, I consider this to be one of the very few design flaws of Python. I'm somewhat glad C# (and VB.Net) avoided this issue by simply disallowing new obj...