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DLL and LIB files - what and why?
...tic libraries (LIB) and dynamic libraries (DLL) - but note that .LIB files can be either static libraries (containing object files) or import libraries (containing symbols to allow the linker to link to a DLL).
Libraries are used because you may have code that you want to use in many programs. For ...
IIS AppPoolIdentity and file system write access permissions
...
The ApplicationPoolIdentity is assigned membership of the Users group as well as the IIS_IUSRS group. On first glance this may look somewhat worrying, however the Users group has somewhat limited NTFS rights.
For example, if you try ...
What's an object file in C?
...s symbols it requires in order to work. (For reference, "symbols" are basically names of global objects, functions, etc.)
A linker takes all these object files and combines them to form one executable (assuming that it can, ie: that there aren't any duplicate or undefined symbols). A lot of compi...
What is “thread local storage” in Python, and why do I need it?
In Python specifically, how do variables get shared between threads?
5 Answers
5
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Select every Nth element in CSS
...metic expression using the n variable in addition to constant numbers. You can perform addition (+), subtraction (-) and coefficient multiplication (an where a is an integer, including positive numbers, negative numbers and zero).
Here's how you would rewrite the above selector list:
div:nth-child...
Show data on mouseover of circle
I have a set of data that I am plotting in a scatter. When I mouseover one of the circles I would like it to popup with data (like x, y values, maybe more). Here is what I tried using:
...
Difference between Apache CXF and Axis
...m completely biased (PMC Chair of CXF), but my thoughts:
From a strictly "can the project do what I need it to do" perspective, both are pretty equivalent. There some "edge case" things that CXF can do that Axis 2 cannot and vice versa. But for 90% of the use cases, either will work fine.
Thus, ...
What exactly is Java EE?
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Is Java EE just a specification? What I mean is: Is EJB Java EE?
Java EE is indeed an abstract specification. Anybody is open to develop and provide a working implementation of the specification. The concrete implementations are the so-called applic...
When would I use Task.Yield()?
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When you use async/await, there is no guarantee that the method you call when you do await FooAsync() will actually run asynchronously. The internal implementation is free to return using a completely synchronous path.
If you're making an API where it's critical that you don't block and you...
How to properly add cross-site request forgery (CSRF) token using PHP
...29 bits of entropy
md5() doesn't add entropy, it just mixes it deterministically
Try this out:
Generating a CSRF Token
PHP 7
session_start();
if (empty($_SESSION['token'])) {
$_SESSION['token'] = bin2hex(random_bytes(32));
}
$token = $_SESSION['token'];
Sidenote: One of my employer's open...