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Client-server synchronization pattern / algorithm?
I have a feeling that there must be client-server synchronization patterns out there. But i totally failed to google up one.
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An item with the same key has already been added
... get this error whenever I submit the form also the action method is not being called because of this:
21 Answers
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How to clear all s’ contents inside a parent ?
...nswered Nov 9 '09 at 16:05
QuentinQuentin
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How do I avoid capturing self in blocks when implementing an API?
I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...
How set background drawable programmatically in Android
...drawable.ready); is correct.
Another way to achieve it is to use the following:
final int sdk = android.os.Build.VERSION.SDK_INT;
if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
layout.setBackgroundDrawable(ContextCompat.getDrawable(context, R.drawable.ready) );
} else {
layout.set...
ASP.NET MVC controller actions that return JSON or partial html
I am trying to create controller actions which will return either JSON or partial html depending upon a parameter. What is the best way to get the result returned to an MVC page asynchronously?
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Rails 3 migrations: Adding reference column?
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If you are using the Rails 4.x you can now generate migrations with references, like this:
rails generate migration AddUserRefToProducts user:references
like you can see on rails guides
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How to set the text color of TextView in code?
In XML, we can set a text color by the textColor attribute, like android:textColor="#FF0000" . But how do I change it by coding?
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How can I submit a form using JavaScript?
I have a form with id theForm which has the following div with a submit button inside:
10 Answers
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Skip a submodule during a Maven build
We have a need to be able to skip a submodule in certain environments.
5 Answers
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