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Twitter Bootstrap Form File Element Upload Button
...luding IE9+. If you need support for old IE as well, please use the legacy approach shown below.
This techniques relies on the HTML5 hidden attribute. Bootstrap 4 uses the following CSS to shim this feature in unsupportive browsers. You may need to add if you're using Bootstrap 3.
[hidden] {
dis...
How do I lock the orientation to portrait mode in a iPhone Web Application?
I'm building a iPhone Web Application and want to lock the orientation to portrait mode. is this possible? Are there any web-kit extensions to do this?
...
How to use OpenFileDialog to select a folder?
...ember as a user I was blaming these poor programmers that made yet another app with this awful tree view dialog (which is just the FolderBrowserDialog). It is completely unusable: a bunch of root dirs, a missing favorites panel, and the most horrible — you can't even paste a path there! And now as...
Detecting Unsaved Changes
...have a requirement to implement an "Unsaved Changes" prompt in an ASP .Net application. If a user modifies controls on a web form, and attempts to navigate away before saving, a prompt should appear warning them that they have unsaved changes, and give them the option to cancel and stay on the curr...
What is the `sensor` parameter for in the Google Places API?
... use it if that location is the actual found GPS location? I'm building an app where we show a map with users location but the user might drag the map and we do a georequest based on the new location. In this case should I start with setting sensor=true and then switch to use sensor=false?
...
Rails - How to use a Helper Inside a Controller
...to include your helper module in your controller:
class MyController < ApplicationController
include MyHelper
def xxxx
@comments = []
Comment.find_each do |comment|
@comments << {:id => comment.id, :html => html_format(comment.content)}
end
end
end
Option 2...
How to add 10 days to current time in Rails
...e:
[1, 4] With system timezone
[2, 3] With config timezone of your Rails app
[5] Date only no time included in result
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How do I get and set Environment variables in C#?
...
I ran into this while working on a .NET console app to read the PATH environment variable, and found that using System.Environment.GetEnvironmentVariable will expand the environment variables automatically.
I didn't want that to happen...that means folders in the path suc...
Why are joins bad when considering scalability?
...em through de-normalisation but if used correctly (joining on columns with appropriate indexes an so on) they are not inherently slow.
De-normalisation is one of many optimisation techniques you can consider if your well designed database schema exhibits performance problems.
...
What is the difference between service, directive and module?
... other modules giving you a high level of reuse.
When writing an angular app, you would have a top-level module which is your application code (without templates).
Services are mainly a way to communicate between controllers, but you can inject one service into another. Services are often used as...