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Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...
examples
VM "intrinsification." ie CAS (Compare-And-Swap) used in Lock-Free Hash Tables
eg:sun.misc.Unsafe.compareAndSwapInt
it can make real JNI calls into native code that contains special instructions for CAS
read more about CAS here http://en.wikipedia.org/wik...
What is the difference between Normalize.css and Reset CSS?
...both and see which gels with your preferences.
Normalize.css corrects some common bugs that are out of scope for reset.css. It has a wider scope than reset.css, and also provides bug fixes for common problems like: display settings for HTML5 elements, the lack of font inheritance by form elements, c...
Where is array's length property defined?
...owing:
The public final field length, which contains the number of components of the array. length may be positive or zero.
The public method clone, which overrides the method of the same name in class Object and throws no checked exceptions. The return type of the clone method of an array...
Best practices for overriding isEqual: and hash
...231:1237);
Explanation and Attribution
This is not tcurdt's work, and comments were asking for more explanation, so I believe an edit for attribution is fair.
This algorithm was popularized in the book "Effective Java", and the relevant chapter can currently be found online here. That book po...
Multiple arguments vs. options object
...this:
initiateTransferProtocol("http", false, 150, 90, null, true, 18);
Completely unreadable unless you do some research. On the other hand, this code reads well:
initiateTransferProtocol({
"protocol": "http",
"sync": false,
"delayBetweenRetries": 150,
"randomVarianceBetweenRetrie...
What encoding/code page is cmd.exe using?
... program’s output encoding with the console’s output encoding
can be accomplished in two different ways:
A program can get the console’s current codepage using chcp or
GetConsoleOutputCP, and configure itself to output in that encoding, or
You or a program can set the console’s current cod...
How to Deal with Temporary NSManagedObject instances?
...
NOTE: This answer is very old. See comments for full history. My recommendation has since changed and I no longer recommend using unassociated NSManagedObject instances. My current recommendation is to use temporary child NSManagedObjectContext instances.
Ori...
What is the best method to merge two PHP objects?
...m copy of an answer that had already been posted for months? stackoverflow.com/a/794356/151509
– maryisdead
May 9 '19 at 15:44
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show 2 more...
Is there a reason for C#'s reuse of the variable in a foreach?
...
The compiler declares the variable in a way that makes it highly prone to an error that is often difficult to find and debug, while producing no perceivable benefits.
Your criticism is entirely justified.
I discuss this proble...
How do I get java logging output to appear on a single line?
...ts format from a system property, so adding something like this to the JVM command line will cause it to print on one line:
-Djava.util.logging.SimpleFormatter.format='%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS %4$s %2$s %5$s%6$s%n'
Alternatively, you can also add this to your logger.properties:
java.u...