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HTTP Error 503. The service is unavailable. App pool stops on accessing website
...y a things by now. But to no avail. Myself a Winforms Developer basically, started working on this Web stuff few days back as my company is taking Web initiatives.
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Random record in ActiveRecord
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Your example code will start to behave inaccurately once records are deleted (it will unfairly favor items with lower ids)
You're probably better off using the random methods within your database. These vary depending on which DB you're using, bu...
How to write a simple Html.DropDownListFor()?
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Avoid of lot of fat fingering by starting with a Dictionary in the Model
namespace EzPL8.Models
{
public class MyEggs
{
public Dictionary<int, string> Egg { get; set; }
public MyEggs()
{
Egg = new Dictionar...
Escape a string for a sed replace pattern
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Hey, just a general warning regarding starting pipes with an echo like this: Some (most?) implementations of echo take options (see man echo), causing the pipe to behave unexpectedly when your argument $1 begins with a dash. Instead, you can start your pipe with ...
Update R using RStudio
... new version of R from the official website.
RStudio should automatically start with the new version when you relaunch it.
In case you need to do it manually, in RStudio, go to :Tools -> options -> General.
Check @micstr's answer for a more detailed walkthrough.
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How can I check whether a radio button is selected with JavaScript?
...ng on the exact nature of your markup but that should be enough to get you started.
If you're just looking to see if any radio button is selected anywhere on the page, PrototypeJS makes it very easy.
Here's a function that will return true if at least one radio button is selected somewhere on th...
Get the current first responder without using a private API
...ons. This is a way of sending an arbitrary message to the responder chain (starting with the first responder), and continuing down the chain until someone responds to the message (has implemented a method matching the selector).
For the case of dismissing the keyboard, this is the most effective wa...
How to manage startActivityForResult on Android?
In my activity, I'm calling a second activity from the main activity by startActivityForResult . In my second activity, there are some methods that finish this activity (maybe without a result), however, just one of them returns a result.
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Is there a tool to convert JavaScript files to TypeScript [closed]
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Update: Tool is described in details in this post
ReSharper starting with version 9 (EAP builds available) has functionality to automatically convert JavaScript code into TypeScript. You can start with renaming .js file into .ts and see R# suggestions like this one:
Haven't tried i...
iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?
...so bubbling would not work if we used document instead.
$('body').on('touchstart', selScrollable, function(e) {
if (e.currentTarget.scrollTop === 0) {
e.currentTarget.scrollTop = 1;
} else if (e.currentTarget.scrollHeight === e.currentTarget.scrollTop + e.currentTarget.offsetHeight) {
e....