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What exactly are DLL files, and how do they work?
...ntation of shared libraries.
DLLs are so much like an EXE that the file format itself is the same. Both EXE and DLLs are based on the Portable Executable (PE) file format. DLLs can also contain COM components and .NET libraries.
What does a DLL contain?
A DLL contains functions, classes, vari...
Count(*) vs Count(1) - SQL Server
...e Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past?
...
C# listView, how do I add items to columns 2, 3 and 4 etc?
To add items to column 1 in my listView control ( Winform ) I'm using listView1.Items.Add , this works fine but how do I add items to columns 2 and 3 etc?
...
How to cast int to enum in C++?
... @Mitch what do I get for using auto in this case? Is there any performance improvements?
– Frederico Pantuzza
May 19 '17 at 3:29
3
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How to send JSON instead of a query string with $.ajax?
..... the problem is that in $_POST in php you can only see application/x-www-form-urlencoded, if you want to read json data you must do file_get_contents("php://input") and perhaps then a json_decode()
– santiago arizti
Nov 23 '18 at 15:33
...
Difference between Hashing a Password and Encrypting it
... This is safe right? As long as the passwords are never stored in unhashed form for long term and all occurences of encrypted/plaintext passwords are erased from any memory when no longer needed?
– AgentM
Apr 14 '19 at 9:23
...
How to check if a String contains another String in a case insensitive manner in Java?
...
is this approach using Pattern more performant than s1.toLowerCase().contains(s2.toLowerCase()) ?
– Rajat Gupta
Aug 9 '12 at 10:24
...
StringBuilder vs String concatenation in toString() in Java
...it is shorter and the compiler will in fact turn it into version 2 - no performance difference whatsoever.
More importantly given we have only 3
properties it might not make a
difference, but at what point do you
switch from concat to builder?
At the point where you're concatenating in a...
Understanding ibeacon distancing
...e that the term "accuracy" here is iOS speak for distance in meters. This formula isn't perfect, but it roughly approximates what iOS does.
protected static double calculateAccuracy(int txPower, double rssi) {
if (rssi == 0) {
return -1.0; // if we cannot determine accuracy, return -1.
}
...
How should I ethically approach user password storage for later plaintext retrieval?
...t of any publicly-traded company, but storing passwords in any recoverable form would cause you to to fail several different types of security audits. The issue is not how difficult it would be for some "hacker" who got access to your database to recover the passwords. The vast majority of securit...