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How to create our own Listener interface in android?
Could someone help me to create user defined listener interface with some code snippets?
9 Answers
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How do I use a custom Serializer with Jackson?
I have two Java classes that I want to serialize to JSON using Jackson:
11 Answers
11
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How to convert xml into array in php?
...tion is the SimpleXML extension (I believe it comes standard with most php installs.)
http://php.net/manual/en/book.simplexml.php
The syntax looks something like this for your example
$xml = new SimpleXMLElement($xmlString);
echo $xml->bbb->cccc->dddd['Id'];
echo $xml->bbb->cccc-&g...
java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
I'm using the support library for my app. In my FragmentActivity I'm using an AsyncTask for downloading data from internet. In the onPreExecute() method I add a Fragment and in the onPostExecute() method I remove it again. When the orientation is changed in between, I get the above mentioned excepti...
setBackground vs setBackgroundDrawable (Android)
...to be completly correct, just for the completeness of it... You'd do something like following:
int sdk = android.os.Build.VERSION.SDK_INT;
if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
setBackgroundDrawable();
} else {
setBackground();
}
For this to work you need to set buildTa...
iOS White to Transparent Gradient Layer is Gray
I have a CAGradientLayer inserted to the bottom of this small detail view that pops up at the bottom of the app. As you can see, I've set the colors from white to clear, but there's this strange gray tint that is showing up. Any ideas?
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What exactly is Hot Module Replacement in Webpack?
I've read a few pages about Hot Module Replacement in Webpack.
There's even a sample app that uses it .
2 Answers
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SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
...径)
从应用资源目录加载SVG文件。
设置元素颜色(元素ID,颜色)
设置指定SVG元素的颜色。
设置元素透明度(元素ID,透明度)
设置指定SVG元素的透明度。
动画元素(元素ID,动画类型,持续时间)
为指定SVG元素添加动画效果。
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Mongoose: Get full list of users
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Well, if you really want to return a mapping from _id to user, you could always do:
server.get('/usersList', function(req, res) {
User.find({}, function(err, users) {
var userMap = {};
users.forEach(function(user) {
userMap[user._id] = user;
})...
How to sort mongodb with pymongo
I'm trying to use the sort feature when querying my mongoDB, but it is failing. The same query works in the MongoDB console but not here. Code is as follows:
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