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How to implement Android Pull-to-Refresh
In Android applications such as Twitter (official app), when you encounter a ListView, you can pull it down (and it will bounce back when released) to refresh the content.
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Website screenshots
Is there any way of taking a screenshot of a website in PHP, then saving it to a file?
26 Answers
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Use of def, val, and var in scala
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This defines a new method called person. You can call this method only without () because it is defined as parameterless method. For empty-paren method, you can call it with or without '()'. If you simply write:
person
then you are calling this method (and if you don't assign the return value,...
iOS: Multi-line UILabel in Auto Layout
I'm having trouble trying to achieve some very basic layout behavior with Auto Layout. My view controller looks like this in IB:
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What are inline namespaces for?
...cation of this -- can somebody please give a brief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic solution?
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Error type 3 Error: Activity class {} does not exist
...liJ Android project, that I successfully imported to Android Studio 0.4.0. It works perfectly if I don't change anything in manifest. However, when I want to change the launcher activity and run, it fails with this error:
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Why does direction of index matter in MongoDB?
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MongoDB concatenates the compound key in some way and uses it as the key in a BTree.
When finding single items - The order of the nodes in the tree is irrelevant.
If you are returning a range of nodes - The elements close to each other will be down the same branches of the tree. T...
How to ignore a property in class if null, using json.net
...erty which you can set to ignore.
Here's a sample:
JsonSerializer _jsonWriter = new JsonSerializer {
NullValueHandling = NullValueHandling.Ignore
};
Alternatively, as suggested by @amit
JsonConvert.SerializeObject(myObject,
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How does one change the language of the command line interface of Git?
I’d like to change the language of git (to English) in my Linux installation without changing the language for other programs and couldn’t find the settings.
How to do it?
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How to bind function arguments without binding this?
In Javascript, how can I bind arguments to a function without binding the this parameter?
15 Answers
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