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Add and Remove Views in Android Dynamically?
...e feature described in this question. Here is my solution and source code: https://github.com/laoyang/android-dynamic-views. And you can see the video demo in action here: http://www.youtube.com/watch?v=4HeqyG6FDhQ
Layout
Basically you'll two xml layout files:
A horizontal LinearLayout row view ...
Convert RGBA PNG to RGB with PIL
...mage object
dst -- PIL RGBA Image object
The algorithm comes from http://en.wikipedia.org/wiki/Alpha_compositing
'''
# http://stackoverflow.com/a/3375291/190597
# http://stackoverflow.com/a/9166671/190597
src = np.asarray(src)
dst = np.asarray(dst)
out = np.empty(src...
How can I get query string values in JavaScript?
... vary, see for example this question: [Authoritative position of duplicate HTTP GET query keys](https://stackoverflow.com/questions/1746507/authoritative-position-of-duplicate-http-get-query-keys).
NOTE: The function is case-sensitive. If you prefer case-insensitive parameter name, [add 'i' modifi...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...
cd /data/mongodbtest
3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
#解压下载的压缩包
tar xvzf mo...
Convert UTC/GMT time to local time
... look into using the System.TimeZoneInfo class if you are in .NET 3.5. See http://msdn.microsoft.com/en-us/library/system.timezoneinfo.aspx. This should take into account the daylight savings changes correctly.
// Coordinated Universal Time string from
// DateTime.Now.ToUniversalTime().ToString("u...
How can you get the Manifest Version number from the App's (Layout) XML variables?
...urce string, and placed into the manifest by:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.somepackage"
android:versionName="@string/version" android:versionCode="20">
One could create a custom view, and place it into the XML. The view would use...
What is a columnar database?
...peration will be expensive compared to row oriented databases.
For more: https://en.wikipedia.org/wiki/Column-oriented_DBMS
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Android. WebView and loadData
...ta().
And, to give a full answer, here is the official list of encodings: http://www.iana.org/assignments/character-sets
I update my answer to be more inclusive:
To use WebView.loadData() with non latin1 encodings you have to encode html content. Previous example was not correctly working in Andr...
ssl_error_rx_record_too_long and Apache SSL [closed]
...port 443 is open and enabled on your server. This is the standard port for https communications.
If SSL is using a non-standard port then FireFox 3 can sometimes give this error. Ensure SSL is running on port 443.
If using Apache2 check that you are using port 443 for SSL. This can be done by se...
How do I access the $scope variable in browser's console using AngularJS?
...ing like this you have access to the angular global. You can try it here:
http://jsfiddle.net/jaimem/Yatbt/show
jQuery Lite
If you load jQuery before AngularJS, angular.element can be passed a jQuery selector. So you could inspect the scope of a controller with
angular.element('[ng-controller=ct...