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Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...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/wiki/Compare-and-swap
The sun.misc.Unsafe functionality of the host VM can be used to allocate uninitialized ...
Rebasing a branch including all its children
...h mass automated rebasing.
So here it is. Use it by saving it into a file called git-auto-rebase in your PATH. It's probably also a good idea to use the dry run (-n) option before you try it for real. It may be a little more detail than you really want, but it will show you what it's going to try t...
Are PDO prepared statements sufficient to prevent SQL injection?
...own is a literal ' character.
We have chosen this payload because, if we called addslashes() on it, we'd insert an ASCII \ i.e. 0x5c, before the ' character. So we'd wind up with 0xbf5c27, which in gbk is a two character sequence: 0xbf5c followed by 0x27. Or in other words, a valid character follo...
How to change Rails 3 server default port in develoment?
...it script/rails this way:
#!/usr/bin/env ruby
# This command will automatically be run when you run "rails" with Rails 3 gems installed from the root of your application.
APP_PATH = File.expand_path('../../config/application', __FILE__)
require File.expand_path('../../config/boot', __FILE__)
# ...
Can I browse other people's (Apple) bug reports? [closed]
...
As other people have said here, you can't see the bugs that other people have reported to Apple. However, I recently read that Apple uses multiple bug reports for the same issue as an indicator of the severity or priority of a bug or request (see t...
How can I get the browser's scrollbar sizes?
...rWidth()-b.height(99).innerWidth();a.remove()}return c};
And you have to call it when document is ready ... so
$(function(){ console.log($.scrollbarWidth()); });
Tested 2012-03-28 on Windows 7 in latest FF, Chrome, IE & Safari and 100% working.
source: http://benalman.com/projects/jquery-m...
When to use IList and when to use List
...le collections can give the impression that the collections are "live" and calling methods like Add() and Remove() may have effects beyond just the collection. Returning a read-only interface such as IEnumerable is often the way to go for data-retrieval methods. Your consumer can project it into a...
Why is typeof null “object”?
... @peter typeof tells you nothing about whether or not you can call methods on something.
– Matt Ball
Apr 5 '17 at 18:07
2
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jQuery returning “parsererror” for ajax request
...
You have specified the ajax call response dataType as:
'json'
where as the actual ajax response is not a valid JSON and as a result the JSON parser is throwing an error.
The best approach that I would recommend is to change the dataType to:
...
How to get the Display Name Attribute of an Enum member via MVC razor code?
I've got a property in my model called "Promotion" that its type is a flag enum called "UserPromotion". Members of my enum have display attributes set as follows:
...