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How to initialize log4j properly?
... neither will log4j. ;)
See also:
Short introduction to log4j at Apache site
Apache: Logging Services: FAQ at Apache site
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...
Checking network connection
... the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expected to respond quickly.
This fixed IP will not map to google.com forever. So this code is
not robust -- it will need constant maintenance to keep it working.
The reason why the code above uses a fixed IP ...
What database does Google use?
...HBase. HBase is part of the larger Hadoop project which according to their site "is a software platform that lets one easily write and run applications that process vast amounts of data." Some of the benchmarks are quite impressive. Their site is at http://hadoop.apache.org.
...
Do you have to include ?
...icon.
Naming the file "favicon.ico" and putting it in the root of your website is the method "discouraged" by W3C:
Method 2 (Discouraged): Putting the favicon at a predefined URI
A second method for specifying a favicon relies on using a predefined URI to identify the image: "/favicon", which...
How to suppress Pandas Future warning ?
...instead
(currently both are identical)
C:\projects\stackoverflow\venv\lib\site-packages\pandas\core\config.py:619: FutureWarning: html.bord
er has been deprecated, use display.html.border instead
(currently both are identical)
warnings.warn(d.msg, FutureWarning)
: boolean
use_inf_as_null ha...
Why do all browsers' user agents start with “Mozilla/”?
...la) was the main rival of IE, and they wanted to prevent being rejected by sites rejecting browsers other than Netscape.
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C/C++ NaN constant (literal)?
...iet_NaN == true.
and it was simple to figure out what this means on this site, if you check their section on std::numeric_limits::has_quiet_NaN it says:
This constant is meaningful for all floating-point types and is guaranteed to be true if std::numeric_limits::is_iec559 == true.
which as e...
What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
...
Say your website has a GetUser web method:
http://www.example.com/User/GetUser/32
which returns a JSON response:
{ "Name": "John Doe" }
If this method accepts only POST requests, then the content will only be returned to the browser...
How to handle static content in Spring MVC?
... <mvc:resources/> (more about that on the reference documentation website) which can be used to serve static resources while still using the DispatchServlet on your site's root.
In order to use this, use a directory structure that looks like the following:
src/
springmvc/
web/
MyContro...
Using Rails 3.1, where do you put your “page specific” JavaScript code?
...quire init.js
//= require_tree cars
//= require_tree users
// init.js
SITENAME = new Object();
SITENAME.cars = new Object;
SITENAME.users = new Object;
SITENAME.common.init = function (){
// Your js code for all pages here
}
// cars/init.js
SITENAME.cars.init = function (){
// Your js...