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Volatile vs. Interlocked vs. lock
...it check against a CPU register (e.g. EAX because that was what m_Var was fetched into from the very beginning) instead of issuing another read to the memory location of m_Var (this may be cached - we don't know and don't care and that's the point of cache coherency of x86/x64). All the posts earlie...
What does yield mean in PHP?
.... Here is an example using an array generated by explode() on a large .txt file (262MB in my use case):
<?php
ini_set('memory_limit','1000M');
echo "Starting memory usage: " . memory_get_usage()
How do you clone an Array of Objects in Javascript?
...tain JSON-serializable content (no functions, no Number.POSITIVE_INFINITY, etc.) there is no need for any loops to clone arrays or objects. Here is a pure vanilla one-line solution.
var clonedArray = JSON.parse(JSON.stringify(nodesArray))
To summarize the comments below, the primary advantage of...
How to create dictionary and add key–value pairs dynamically?
...teral with properties
var dict = {
key1: "value1",
key2: "value2"
// etc.
};
Or use regular dot-notation to set properties after creating an object:
// empty object literal with properties added afterward
var dict = {};
dict.key1 = "value1";
dict.key2 = "value2";
// etc.
You do want the b...
How can I include raw JSON in an object using Jackson?
... to do this with a custom deserializer (cut and pasted from here)
package etc;
import java.io.IOException;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.TreeNode;
import com.fasterxml.jackson.databind.Des...
Can I write a CSS selector selecting elements NOT having a certain class or attribute?
...iv>...but not me...</div>
</div>
Browser Support, etc.
:not is a CSS3 level selector, the main exception in terms of support is that it is IE9+
The spec also makes an interesting point:
the :not() pseudo allows useless selectors to be written. For
instance :not(*|*),...
What is a method that can be used to increment letters?
...es anyone know of a Javascript library (e.g. underscore, jQuery, MooTools, etc.) that offers a method of incrementing a letter?
...
What is the point of “final class” in Java?
...e who is planning to obtain an Oracle Java Certification (such as 1Z0-808, etc.) should keep this in mind because there might be questions on this aspect on the exam...
– Igor Soudakevitch
Jun 17 '16 at 20:29
...
How does Django's Meta class work?
...rt MyModel >>>MyModel.Meta Traceback (most recent call last): File "<console>", line 1, in <module> AttributeError: type object 'MyModel' has no attribute 'meta'
– bdf
Dec 11 '15 at 17:58
...
Real world use cases of bitwise operators [closed]
...n to a bunch of logic gates, so they have to be expressed as AND, OR, NOT, etc.
Graphics
There's hardly enough space here to get into every area where these operators are used in graphics programming. XOR (or ^) is particularly interesting here because applying the same input a second time will und...