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Creating anonymous objects in php
... some years, but I think I need to keep the information up to date!
Since PHP 7 it has been possible to create anonymous classes, so you're able to do things like this:
<?php
class Foo {}
$child = new class extends Foo {};
var_dump($child instanceof Foo); // true
?>
You can ...
GPU Emulator for CUDA programming without the hardware [closed]
...memory are properly synchronized, and global memory dereferencing accesses allocated regions of memory. We have also implemented a command-line interactive debugger inspired largely by gdb to single-step through CUDA kernels, set breakpoints and watchpoints, etc... These tools were specifically deve...
What are the differences between Rust's `String` and `str`?
...he executable and loaded into memory when the program runs.
Inside a heap allocated String: String dereferences to a &str view of the String's data.
On the stack: e.g. the following creates a stack-allocated byte array, and then gets a view of that data as a &str:
use std::str;
let x:...
Optimising Android application before release [closed]
...
Track and squash allocations. The more you allocate, the more often the garbage collector will need to run, stopping your process from doing anything else for relatively long periods of time, such as 100ms or so.
The best tool I know for th...
mysqli or PDO - what are the pros and cons? [closed]
...
@e-satis no, I use PHP. Public fields violates encapsulation, so AS A BEST PRACTICE it's just... lol :) Google doesn't uses public fields, only accessors: google-styleguide.googlecode.com/svn/trunk/… .
– OZ_
...
unable to start mongodb local server
...:27017
is self-speaking.
Another instance of mongod is already running and allocating the MongoDB default port which is 27017.
Either kill the other process or use a different port."
In this case, type the following command
ps wuax | grep mongo
You should see something that looks like this
User ...
How to check if mod_rewrite is enabled in php?
...is possible to check if mod_rewrite is enabled on Apache AND IIS in PHP .
15 Answers
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Stack Memory vs Heap Memory [duplicate]
...thing similar.
Heap memory is much as rskar says. In general, C++ objects allocated with new, or blocks of memory allocated with the likes of malloc end up on the heap. Heap memory almost always must be manually freed, though you should really use a smart pointer class or similar to avoid needing t...
select count(*) from table of mysql in php
...
@eichertc the php interpreter has the variable always internal, as he needs to have the result in memory one way or the other. So your way just makes the code worser to read and maintain, IMHO.
– Tom
...
Getting a timestamp for today at midnight?
How would I go about getting a timestamp in php for today at midnight. Say it's monday 5PM and I want the Timestamp for Monday(today) at midnight(12 am) which already has happened.
...