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How to get current time and date in C++?
...follow
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edited Dec 19 '18 at 12:42
answered Jan 9 '15 at 8:25
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How are ssl certificates verified?
... series of steps needed to securely verify a ssl certificate? My (very limited) understanding is that when you visit an https site, the server sends a certificate to the client (the browser) and the browser gets the certificate's issuer information from that certificate, then uses that to contact t...
What does “program to interfaces, not implementations” mean?
...be done. This can be used to change the behavior of a program at run-time. It also helps you to write far better programs from the maintenance point of view.
Here's a basic example for you.
public enum Language
{
English, German, Spanish
}
public class SpeakerFactory
{
public static ISpea...
How to list all users in a Linux group?
... pam-pgsql, etc.).
If I absolutely had to do this myself, I'd probably do it in reverse: use id to get the groups of every user on the system (which will pull all sources visible to NSS), and use Perl or something similar to maintain a hash table for each group discovered noting the membership of t...
Error in finding last used cell in Excel with VBA
...ces to follow when finding the last row. And hence I will keep on updating it whenever I come across a new scenario/information.
Unreliable ways of finding the last row
Some of the most common ways of finding last row which are highly unreliable and hence should never be used.
UsedRange
xlDown...
Using Case/Switch and GetType to determine the object [duplicate]
If you want to switch on a type of object, what is the best way to do this?
10 Answers
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What does [].forEach.call() do in JavaScript?
...f code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.
12 Answ...
Exotic architectures the standards committees care about
...cts of the language implementation-defined just because if there is an architecture with other characteristics, it would be very difficult or impossible to write a standard conforming compiler for it.
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what exactly is device pixel ratio?
...s length. Source: CSS Absolute Lengths
This has lots of implications when it comes to web design, such as preparing high-definition image resources and carefully applying different images at different device pixel ratios. You wouldn't want to force a low-end device to download a very high resolutio...
Is it possible to break a long line to multiple lines in Python [duplicate]
... lines. But in Python , if I do this, there will be an indent error... Is it possible?
7 Answers
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