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When and why JPA entities should implement Serializable interface?
...over-the-wire (serialize them to some other representation), store them in http session (which is in turn serialized to hard disk by the servlet container), etc.
Just for the sake of persistence, Serializable is not needed, at least with Hibernate.
But it is a best practice to make them Serializabl...
How to Sign an Already Compiled Apk
...
Automated Process:
Use this tool (uses the new apksigner from Google):
https://github.com/patrickfav/uber-apk-signer
Disclaimer: Im the developer :)
Manual Process:
Step 1: Generate Keystore (only once)
You need to generate a keystore once and use it to sign your unsigned apk.
Use the keyto...
ListBox vs. ListView - how to choose for data binding
...e able to search/sort/filter based on user input. The data binding demo ( http://msdn.microsoft.com/en-us/library/ms771319.aspx ) uses a ListBox with a CollectionViewSource.
...
How do I measure the execution time of JavaScript code with callbacks?
...prints the contents of a text file called "output.txt":
var debug = true;
http.createServer(function(request, response) {
if(debug) console.log("----------------------------------");
if(debug) elapsed_time("recieved request");
var send_html = function(err, contents) {
if(debug...
default select option as blank
...he server:
<option label=" "></option>
Verified validity on http://validator.w3.org/check
Verified behavior with Win7(IE11 IE10 IE9 IE8 FF35 Safari5.1) Ubuntu14.10(Chrome40, FF35) OSX_Yosemite(Safari8, Chrome40) Android(Samsung-Galaxy-S5)
The following also passes validation today, ...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
...trip all namespaces
root = it.root
This is based on the discussion here:
http://bugs.python.org/issue18304
Update: rpartition instead of partition makes sure you get the tag name in postfix even if there is no namespace. Thus you could condense it:
for _, el in it:
_, _, el.tag = el.tag.rpar...
Injecting a mock into an AngularJS service
... and instead create a mock version of the service with fake data. Mocking $http isn't a good solution either, because then you're actually testing two services in one test, instead of unit-testing the two services in isolation. So I would like to re-iterate the question. How do you pass a mock servi...
How to convert a Base64 string into a Bitmap image to show it in a ImageView?
...
To check online you can use
http://codebeautify.org/base64-to-image-converter
You can convert string to image like this way
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.support.v7.app.AppCompatActivity;
import ...
Debugging sqlite database on the device
...est way to view and manage you android app database is to use this library https://github.com/sanathp/DatabaseManager_For_Android
With this library you can manage your app SQLite database from you app itself.
you can view the tables in your app database , update ,delete, insert rows to your tables ...
Style input element to fill remaining width of its container
..." title="Search" /></span>
</form>
A simple fiddle: http://jsfiddle.net/v7YTT/90/
Update 1: If your website is targeted towards modern browsers only, I suggest using flexible boxes. Here you can see the current support.
Update 2: This even works with multiple buttons or othe...