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Why does the order in which libraries are linked sometimes cause errors in GCC?
...ibraries on it's own, with who-knows-what dependencies. True it also has a script to figure out compile/link options - but you can't use that in all circumstances.
– Steve314
Jul 11 '10 at 13:27
...
Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?
...tch the dimensions of the scaled image. The code is used in an activity. I tested it via button click handler.
Enjoy. :)
private void scaleImage(ImageView view) throws NoSuchElementException {
// Get bitmap from the the ImageView.
Bitmap bitmap = null;
try {
Drawable drawing ...
How to test if a string is JSON or not?
...or message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
...
Why would finding a type's initializer throw a NullReferenceException?
This has got me stumped. I was trying to optimize some tests for Noda Time, where we have some type initializer checking. I thought I'd find out whether a type has a type initializer (static constructor or static variables with initializers) before loading everything into a new AppDomain . To my ...
What's the state of the art in email validation for Rails?
...r complex†) EmailValidator to suit your needs.
eg: - your model:
class TestUser
include Mongoid::Document
field :email, type: String
validates :email, email: true
end
Your validator (goes in app/validators/email_validator.rb)
class EmailValidator < ActiveModel::EachValidator
EM...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...战
首先创建一个测试用的表：
CREATE TABLE IF NOT EXISTS `test`.`t` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`a` varchar(10) NOT NULL,
`b` varchar(10) NOT NULL,
PRIMARY KEY (`id`),
KEY `a_b` (`a`,`b`)
) ENGINE=InnoDB;
注：理论上HandlerSocket支持MyISAM...
Browser detection in JavaScript? [duplicate]
...|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
if(/trident/i.test(M[1])){
tem= /\brv[ :]+(\d+)/g.exec(ua) || [];
return 'IE '+(tem[1] || '');
}
if(M[1]=== 'Chrome'){
tem= ua.match(/\b(OPR|Edge?)\/(\d+)/);
if(tem!= null) return tem.slice(1).join(...
Check if string contains only digits
...
how about
let isnum = /^\d+$/.test(val);
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How to flatten tree via LINQ?
...
I disagree: compiled, tested, and working with c. Using e doesn't compile. You can also add if (e == null) return Enumerable.Empty<T>(); to cope with null child lists.
– Adam Houldsworth
Aug 6 '12 at 15...
Configure nginx with multiple locations with different root folders on subdomain
...rective for location /static:
server {
index index.html;
server_name test.example.com;
root /web/test.example.com/www;
location /static/ {
alias /web/test.example.com/static/;
}
}
The nginx wiki explains the difference between root and alias better than I can:
Note that it m...