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Why does one use dependency injection?
...on is magically serialized into a class using json.net (sometimes using an XML serializer).
6 Answers
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Is it better to return null or empty collection?
...ollection is passed, or no table at all, if null is passed.
in a Object-to-XML (JSON/whatever), where null would mean the element is missing, while an empty collection would render a redundant (and possibly incorrect) <collection />
you are using or implementing an API which explicitly states ...
What does it mean when an HTTP request returns status code 0?
What does it mean when JavaScript network calls such as fetch or XMLHttpRequest, or any other type of HTTP network request, fail with an HTTP status code of 0?
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Soft keyboard open and close listener in an activity in Android
... the keyboard is shown and show it again when the keyboard is hidden.
The xml layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/rootLayout"
android:layout_width="match_paren...
Gradients in Internet Explorer 9
...et($_GET['to']) ? $_GET['to'] : '000000';
header('Content-type: image/svg+xml; charset=utf-8');
echo '<?xml version="1.0"?>
';
?>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="100%" height="100%">
<defs>
<linearGradient id="linear-gradient" x1="0...
Spring DAO vs Spring ORM vs Spring JDBC
...ion only (annotations on DAOs & entities + spring configuration, be it xml- or java-based), decides the implementation technology, be it JPA (SQL) or redis, hadoop, etc. (NOSQL).
If you follow the naming conventions defined by spring for the finder method names, you don't even need to provide ...
How can I easily view the contents of a datatable or dataview in the immediate window
...bugger comes with four standard visualizers. These are the text, HTML, and XML visualizers, all of which work on string objects, and the dataset visualizer, which works for DataSet, DataView, and DataTable objects.
To use it, break into your code, mouse over your DataSet, expand the quick watch, vi...
Redirecting to URL in Flask
I'm new to Python and Flask and I'm trying to do the equivalent of Response.redirect as in C# - ie: redirect to a specific URL - how do I go about this?
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BasicHttpBinding vs WsHttpBinding vs WebHttpBinding
...le binding, where you basically just hit a URL and get back a truckload of XML or JSON from the web service
basicHttpBinding and wsHttpBinding are two SOAP-based bindings which is quite different from REST. SOAP has the advantage of having WSDL and XSD to describe the service, its methods, and the ...
Is there a NumPy function to return the first index of something in an array?
I know there is a method for a Python list to return the first index of something:
13 Answers
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