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Replacing H1 text with a logo image: best method for SEO and accessibility?
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does wrapping an h1 around an image with alt text carry the same weight (seo-wise) as plain text wrapped with an h1?
– Andrew
Jun 18 '09 at 12:11
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Maven2: Best practice for Enterprise Project (EAR file)
...</modules>
<displayName>My Ear Name displayed in the App Server</displayName>
<!-- If I want maven to generate the application.xml, set this to true -->
<generateApplicationXml>true</generateApplicationXml>
</configuration&...
Calculating sum of repeated elements in AngularJS ng-repeat
...al quantity.
In details code check it fiddler link.
angular.module("sampleApp", [])
.filter('sumOfValue', function () {
return function (data, key) {
if (angular.isUndefined(data) || angular.isUndefined(key))
return 0;
var sum ...
Can we pass parameters to a view in SQL?
..._context 'my_num', 2;
SELECT * FROM my_view;
DBFiddle Demo
The same is applicable for Oracle (of course syntax for context function is different).
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How to detect online/offline event cross-browser?
...cable.
Mozilla Firefox (before version 41), Opera, and IE take a different approach, and consider you "online" unless you explicitly pick "Offline Mode" in the browser - even if you don't have a working network connection.
There are valid arguments for the Firefox/Mozilla behavior, which are outline...
What is the difference between synchronous and asynchronous programming (in node.js)
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The difference between these two approaches is as follows:
Synchronous way:
It waits for each operation to complete, after that only it executes the next operation.
For your query:
The console.log() command will not be executed until & unless the query ...
What is tail recursion?
... stack frame any more. This allows for some optimization. In fact, with an appropriately written compiler, you should never have a stack overflow snicker with a tail recursive call. Simply reuse the current stack frame for the next recursive step. I'm pretty sure Lisp does this.
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How to send an email from JavaScript
...se);
});
}
// define your own email api which points to your server.
app.post( '/api/sendemail/', function(req, res){
var _name = req.body.name;
var _email = req.body.email;
var _subject = req.body.subject;
var _messsage = req.body.message;
//implement your spam protectio...
Mechanisms for tracking DB schema changes [closed]
...ations typically have two methods: an "up" method in which the changes are applied and a "down" method in which the changes are undone. A single command brings the database up to date, and can also be used to bring the database to a specific version of the schema. In Rails, migrations are kept in th...
Maven dependency for Servlet 3.0 API?
...e provided in Tomcat. Only JSTL (if used) needs to be bundled with the web app.
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</depend...