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What's the scope of a variable initialized in an if statement?
...n't declared or initialized before the condition, like it would be in C or Java, for example.
In other words, Python does not have block-level scopes. Be careful, though, with examples such as
if False:
x = 3
print(x)
which would clearly raise a NameError exception.
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Scala how can I count the number of occurrences in a list
... Nice, this is what I was looking for, I found it sad that even Java streams (which aren't good in some aspects) allow this in a single pass while Scala couldn't.
– Dici
Sep 29 '19 at 14:43
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How to integrate CSS pre-processing within Eclipse? [closed]
...e to open it [Part 2]. Here are the steps for eclipse (I'm running Eclipse Java EE IDE for Web Developers, Indigo):
Part 1 - Associate the .scss file type with the native Eclipse CSS Editor
Go to Window > Preferences
Drill down to General > Editors > File Associations
In File Association...
Defining an abstract class without any abstract methods
...
Yes you can. The abstract class used in java signifies that you can't create an object of the class. And an abstract method the subclasses have to provide an implementation for that method.
So you can easily define an abstract class without any abstract method.
A...
Avoiding “resource is out of sync with the filesystem”
I develop Java code with Eclipse and regularly get this message:
10 Answers
10
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Disable soft keyboard on NumberPicker
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After reading through the com/android/internal/widget/NumberPicker.java source code i got to the following solution:
// Hide soft keyboard on NumberPickers by overwriting the OnFocusChangeListener
OnFocusChangeListener fcl = new OnFocusChangeListener() {
public void onFocusChange(View v...
how to rotate a bitmap 90 degrees
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Using Java createBitmap() method you can pass the degrees.
Bitmap bInput /*your input bitmap*/, bOutput;
float degrees = 45; //rotation degree
Matrix matrix = new Matrix();
matrix.setRotate(degrees);
bOutput = Bitmap.createBitmap(...
How can I autoformat/indent C code in vim?
...s a source code indenter, formatter, and beautifier for the C, C++, C# and Java programming languages.
It runs in Window, Linux and Mac. It will do things like indenting, replacing tabs with spaces or vice-versa, putting spaces around operations however you like (converting if(x<2) to if ( x<...
How to make space between LinearLayout children?
...margins and add the predefined views procedurally, applying the content in Java code as well.
– Mike Yockey
Nov 23 '10 at 19:04
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Set line spacing
...user you can not a similar thing will happen to users who will need to use java applet or web application that requires ᴜᴅᴘ socket (because of the lost of ɴᴘᴀᴘɪ support and all browsers are withdrawing support in their custom plug‑in ᴀᴘɪ). The ᴊᴘʟ web site dedicated to the ...