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How do I run Asynchronous callbacks in Playground
Many Cocoa and CocoaTouch methods have completion callbacks implemented as blocks in Objective-C and Closures in Swift. However, when trying these out in Playground, the completion is never called. For example:
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
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Fragments can actually make this a lot easier. Just use the method Fragment.setRetainInstance(boolean) to have your fragment instance retained across configuration changes. Note that this is the recommended replacement for Activity.onRetainn...
Java: Static Class?
...tantiating an instance of it makes no semantic sense, but I still want to call its methods. What is the best way to deal with this? Static class? Abstract?
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Getting activity from context in android
...erwards you will have a Context in the layout, but you will know it is actually your Activity and you can cast it so that you have what you need:
Activity activity = (Activity) context;
share
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im...
Spring MVC: Complex object as GET @RequestParam
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Biju, can you give an example of how to call this? I am making a basic http GET call to the Rest API and it has no fancy forms.
– bschandramohan
Jul 9 '13 at 16:13
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If statement in aspx page
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Normally you'd just stick the code in Page_Load in your .aspx page's code-behind.
if (someVar) {
Item1.Visible = true;
Item2.Visible = false;
} else {
Item1.Visible = false;
Item2.Visible = true;
}
This assumes...
Is there a way to keep Hudson / Jenkins configuration files in source control?
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Most helpful Answer
There is a plugin called SCM Sync configuration plugin.
Original Answer
Have a look at my answer to a similar question. The basic idea is to use the filesystem-scm-plugin to detect changes to the xml-files. Your second part would be commit...
Express.js req.body undefined
...ress.bodyParser() is no longer bundled as part of express. You need to install it separately before loading:
npm i body-parser
// then in your app
var express = require('express')
var bodyParser = require('body-parser')
var app = express()
// create application/json parser
var jsonParser = body...
How do I run multiple background commands in bash in a single line?
I normally run multiple commands with something like this:
8 Answers
8
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How to install pip for Python 3 on Mac OS X?
OS X (Mavericks) has Python 2.7 stock installed. But I do all my own personal Python stuff with 3.3. I just flushed my 3.3.2 install and installed the new 3.3.3. So I need to install pyserial again. I can do it the way I've done it before, which is:
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