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Difference between Observer, Pub/Sub, and Data Binding
...a Binding
Essentially, at the core this just means "the value of property X on object Y is semantically bound to the value of property A on object B. No assumptions are made as to how Y knows or is fed changes on object B.
Observer, or Observable/Observer
A design pattern by which an object is im...
Referencing a string in a string array resource with xml
... on the menu. There are 17 items. I made a string array in values/arrays.xml with titles for each of these 17 items.
5 An...
Difference between Grunt, NPM and Bower ( package.json vs bower.json )
... npm and bower, building my first app in emberjs :).
I do have a bit of experience with rails, so I'm familiar with the idea of files for listing dependencies (such as bundler Gemfile)
...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...});
In CSS:
span:after {
content: attr(data-content) ' any other text you may want';
}
If you want to prevent the 'other text' from showing up, you could combine this with seucolega's solution like this:
In HTML:
<span>foo</span>
In jQuery:
$('span').hover(function(){
...
Error message “Forbidden You don't have permission to access / on this server” [closed]
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How many concurrent requests does a single Flask process receive?
...t a time (1 thread), but objects can be 'paused' when they are waiting on external processes to finish (think database queries or waiting on network I/O).
This means, if you're using one of Gunicorn's async workers, each worker can handle many more than a single request at a time. Just how many wo...
Uses for Optional
...e value, to call a function to provide a substitute value, or to throw an exception. If you're storing into a field, you'd do this at initialization or assignment time. If you're adding values into a list, as the OP mentioned, you have the additional choice of simply not adding the value, thereby "f...
Browsers' default CSS for HTML elements
...dor default CSS stylesheets can be found here
1. Default Styles for Firefox
2. Default Styles for Internet Explorer
3. Default Styles for Chrome / Webkit
4. Default Styles for Opera
5. Default Styles for HTML4 (W3C spec)
6. Default Styles for HTML5 (W3C spec)
Sample, per the default W3C HTML4...
How to remove/ignore :hover css style on touch devices
... return 'ontouchstart' in document.documentElement
|| navigator.maxTouchPoints > 0
|| navigator.msMaxTouchPoints > 0;
}
if (hasTouch()) { // remove all the :hover stylesheets
try { // prevent exception on browsers not supporting DOM styleSheets properly
for (var si in ...
Can I mask an input text in a bat file?
I am writing a batch file to execute some other programs. In this case I need to prompt for a password. Do I have any way to mask the input text? I don't need to print ******* characters instead of input characters. Linux's Password prompt behavior (Print nothing while typing) is enough.
...