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How to create Android Facebook Key Hash?
...and see if it works. You can test some of the graph queries with the Graph API Explorer. Select your app on the top and see if you get valid results. It should spit an error if there is something wrong. Edit: And nothing wrong with beeing slow. We're not in a hurry. :)
– user65...
Check a radio button with javascript
...nt.getElementById("_1234").checked = true;
When you're using the browser API ("getElementById"), you don't use selector syntax; you just pass the actual "id" value you're looking for. You use selector syntax with jQuery or .querySelector() and .querySelectorAll().
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Android. WebView and loadData
...s you encode data with Base64. We've provided examples for how to do so:
API docs: https://developer.android.com/reference/android/webkit/WebView.html#loadData(java.lang.String,%20java.lang.String,%20java.lang.String)
Video talk: https://youtu.be/HGZYtDZhOEQ?t=598 (jump to time stamp 9:58)
This ...
Count with IF condition in MySQL query
...s though.)
As for COALESCE() as mentioned in other answers, many language APIs automatically convert NULL to '' when fetching the value. For example with PHP's mysqli interface it would be safe to run your query without COALESCE().
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Transform DateTime into simple Date in Ruby on Rails
...irety of rails is written in Ruby, so you could probably look on the rails api to find the to_date() method. That will tell you the module it's in, which you could then include for DateTime objects in your code
– Eric Hu
Oct 19 '11 at 22:09
...
try/catch versus throws Exception
... the exception, in the first version)
--edit--
From the point of view of API design, the methods are completely different in their contract. Also, throwing class Exception is not recommended. Try throwing something more specific to allow the caller to handle the exception better.
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Send an Array with an HTTP Get
...then you can just send them as multiple parameters with the same name. The API usually offers a dedicated method to obtain multiple parameter values as an array.
foo=value1&foo=value2&foo=value3
String[] foo = request.getParameterValues("foo"); // [value1, value2, value3]
The request....
How do I flag a method as deprecated in Objective-C 2.0?
...ge with a deprecation warning. It’s much more helpful to new users of an API. So, I think this is the best answer.
– johnnieb
Dec 20 '14 at 19:12
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Java serialization: readObject() vs. readResolve()
...ge the data that is serialized through readObject method. For e.g. xstream API uses this feature to initialize some attributes that were not in the XML to be deserialized.
http://x-stream.github.io/faq.html#Serialization
sh...
How to have Android Service communicate with Activity
...ption e) {
e.printStackTrace();
}
A full example can be found in the API demos: MessengerService and MessengerServiceActivity. Refer to the full example for how MyService works.
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