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Convert UTC Epoch to local date
I have been fighting with this for a bit now. I’m trying to convert epoch to a date object. The epoch is sent to me in UTC. Whenever you pass new Date() an epoch, it assumes it’s local epoch. I tried creating a UTC object, then using setTime() to adjust it to the proper epoch, but the only m...
Can “using” with more than one resource cause a resource leak?
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@user1306322 why? What if I really want to know?
– Oxymoron
Jan 15 '14 at 3:51
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How to “EXPIRE” the “HSET” child key in redis?
... this is why redis is such an awesome piece of software. they know where to keep it simple
– tObi
Jan 4 '19 at 21:25
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What is “loose coupling?” Please provide examples
...n to keep track of the items we'd have to change the Order class as well.
Now here's a slightly better way to do the same thing:
Less Coupled Example:
public class CartEntry
{
public float Price;
public int Quantity;
public float GetLineItemTotal()
{
return Price * Quanti...
Understanding reference counting with Cocoa and Objective-C
...e count is decremented. If, after calling release, the reference count is now zero, then that object's memory is freed by the system.
The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory ...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...mplemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong?
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Why should I declare a virtual destructor for an abstract class in C++?
I know it is a good practice to declare virtual destructors for base classes in C++, but is it always important to declare virtual destructors even for abstract classes that function as interfaces? Please provide some reasons and examples why.
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How to validate an email address in PHP
...xists. The only way to find that out is by sending a confirmation mail.
Now that you have your easy answer feel free to read on about email address validation if you care to learn or otherwise just use the fast answer and move on. No hard feelings.
Trying to validate an email address using a re...
How to reuse existing C# class definitions in TypeScript projects
... thinking to do manually.. good. Not sure I have time to write a converter now.. but yes, that would be the idea. Thanks. May be Microsoft is just doing it right now whie we speak.
– pabloelustondo
Oct 19 '12 at 1:57
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RAII and smart pointers in C++
... should be anyway), closing the file is taken care of for us. So, our code now looks something like:
File file("/path/to/file");
// Do stuff with file
// No need to close it - destructor will do that for us
This cannot be done in Java since there's no guarantee when the object will be destroyed, ...