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How do I display an alert dialog on Android?
....setTitle(R.string.dialog_title);
dialog.show();
}
Now create Layout XML dialog_demo.xml and create your UI/design. Here is a sample one I created for demo purposes:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
...
How do I configure a Python interpreter in IntelliJ IDEA with the PyCharm plugin?
There is a tutorial in the IDEA docs on how to add a Python interpreter in PyCharm, which involves accessing the "Project Interpreter" page. Even after installing the Python plugin, I don't see that setting anywhere.
...
How to set radio button checked as default in radiogroup?
...h
EDIT2:
android:checkedButton="@+id/my_radiobtn"
works in radiogroup xml
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What's the proper way to install pip, virtualenv, and distribute for Python?
...
You can do this without installing anything into python itself.
You don't need sudo or any privileges.
You don't need to edit any files.
Install virtualenv into a bootstrap virtual environment. Use the that virtual environment to create more. Since virtualenv ships with ...
How to avoid .pyc files?
Can I run the python interpreter without generating the compiled .pyc files?
10 Answers
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NullPointerException accessing views in onCreate()
... wizard-generated code.
The view is in the fragment layout (fragment_main.xml) and not in the activity layout (activity_main.xml). onCreate() is too early in the lifecycle to find it in the activity view hierarchy, and a null is returned. Invoking a method on null causes the NPE.
The preferred so...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...;) Is there a speed difference? , I decided to run a similar comparison in python. I expected that the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7.
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How to sort an IEnumerable
...ist();
myList.Sort();
Based on your comment:
_components = (from c in xml.Descendants("component")
let value = (string)c
orderby value
select value
)
.Distinct()
.ToList();
or
_components = xml.Descendants...
When to use the JavaScript MIME type application/javascript instead of text/javascript?
...nd not technically character-based text.
For the same reason, application/xml is officially preferred over text/xml: XML has its own in-band charset signalling mechanisms. And everyone ignores application for XML, too.
text/javascript and text/xml may not be the official Right Thing, but there are...
Python try…except comma vs 'as' in except
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The definitive document is PEP-3110: Catching Exceptions
Summary:
In Python 3.x, using as is required to assign an exception to a variable.
In Python 2.6+, use the as syntax, since it is far less ambiguous and forward compatible with Python 3.x.
In Python 2.5 and earlier, use the comma version...