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What to add for the update portion in ConcurrentDictionary AddOrUpdate
...or that key if the key already exists: Use the indexer’s setter
(See: http://blogs.msdn.com/b/pfxteam/archive/2010/01/08/9945809.aspx)
The indexer is atomic, too. If you pass a function instead, it might not be:
All of these operations are atomic and are thread-safe with regards to all oth...
How is an HTTP POST request made in node.js?
How can I make an outbound HTTP POST request, with data, in node.js?
21 Answers
21
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How to fluently build JSON in Java?
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I recently created a library for creating Gson objects fluently:
http://jglue.org/fluent-json/
It works like this:
JsonObject jsonObject = JsonBuilderFactory.buildObject() //Create a new builder for an object
.addNull("nullKey") //1. Add a null to the objec...
What is a stack trace, and how can I use it to debug my application errors?
... org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:943)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortb...
Executing elements inserted with .innerHTML
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@phidah... Here is a very interesting solution to your problem:
http://24ways.org/2005/have-your-dom-and-script-it-too
So it would look like this instead:
<img src="empty.gif" onload="alert('test');this.parentNode.removeChild(this);" />
...
How did Google manage to do this? Slide ActionBar in Android application
...n(TypedValue.COMPLEX_UNIT_DIP, dp, r.getDisplayMetrics());
}
//originally: http://stackoverflow.com/questions/5418510/disable-the-touch-events-for-all-the-views
//modified for the needs here
public static void enableDisableViewGroup(ViewGroup viewGroup, boolean enabled) {
int childCount = viewGr...
AngularJs ReferenceError: $http is not defined
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Probably you haven't injected $http service to your controller. There are several ways of doing that.
Please read this reference about DI. Then it gets very simple:
function MyController($scope, $http) {
// ... your code
}
...
How do I parse a YAML file in Ruby?
...ch
self.metadata = YAML.load(md[:metadata])
end
Source and discussion: https://practicingruby.com/articles/tricks-for-working-with-text-and-files
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Using GCC to produce readable assembly?
...leave the generated assembly code on the file foo.s.
Ripped straight from http://www.delorie.com/djgpp/v2faq/faq8_20.html (but removing erroneous -c)
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How to check if a user likes my Facebook Page or URL using Facebook's API
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You can use (PHP)
$isFan = file_get_contents("https://api.facebook.com/method/pages.isFan?format=json&access_token=" . USER_TOKEN . "&page_id=" . FB_FANPAGE_ID);
That will return one of three:
string true string false json
formatted response of error if token...