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How can I get Knockout JS to data-bind on keypress instead of lost-focus?
...ce the value: field, valueUpdate: 'input change' that I had all through my app... :) thanks.
– Tod Thomson
Nov 7 '14 at 1:44
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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
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@Nima: Some applications will use one or the other or both to show a new line, however many applications you may output this text to will require both do appear in succession to signify a new line. I find it safe to use both. You can l...
How to update SQLAlchemy row entry?
...e, you can get SQLAlchemy to be smarter about incrementing, getting it to happen on the database side instead of the Python side. Doing it within the database is better since it's less vulnerable to data corruption (e.g. two clients attempt to increment at the same time with a net result of only on...
Casperjs/PhantomJs vs Selenium
...ry out extensive testings across different operating systems.
If your web application needs to run on a variety of web browsers, running the UI testing only with PhantomJS will not yield the most test coverage. However, it is perfectly fine to launch PhantomJS and exercise some basic sanity checks ...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...e for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives control to you, who as the test/app author should know exactly what may or may not happen. What you want to do is explicitly wait until the DOM is in a state where you know things w...
Share data between AngularJS controllers
...controllers work with a reference to the same object:
JS:
// declare the app with no dependencies
var myApp = angular.module('myApp', []);
// Create the factory that share the Fact
myApp.factory('Fact', function(){
return { Field: '' };
});
// Two controllers sharing an object that has a strin...
Can I Replace Apache with Node.js?
...n completely replace all your PHP with JavaScript code. This might be the happy medium: do your WebSockets work in Node.js, more mundane work in Apache + PHP.
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Android - print full exception backtrace to log
...// code that might throw an exception
} catch (Exception e) {
Log.e("MYAPP", "exception", e);
}
More Explicitly with Further Info
(Since this is the oldest question about this.)
The three-argument Android log methods will print the stack trace for an Exception that is provided as the third p...
Rearranging Tab Bar Controller Order in StoryBoard
In my app iPhone app I have a Tab Bar Controller with 4 relationships to 4 different Table View Controllers. Is there a way to rearrange the order of the relationship in the StoryBoard graphically? I can't find a way to do this and I'm sure I must be missing something!
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
...s 4.1.5) try using this version of mysql2:
gem 'mysql2', '~> 0.3.18'
Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run:
bundle ins...