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Are static class variables possible in Python?
...ev points out, this creates a class-level i variable, but this is distinct from any instance-level i variable, so you could have
>>> m = MyClass()
>>> m.i = 4
>>> MyClass.i, m.i
>>> (3, 4)
This is different from C++ and Java, but not so different from C#, where...
How to modify a text file?
... Python thing. It is the same in all languages.
What I usually do is read from the file, make the modifications and write it out to a new file called myfile.txt.tmp or something like that. This is better than reading the whole file into memory because the file may be too large for that. Once the te...
How to share my Docker-Image without using the Docker-Hub?
...kerfile creates a layer. You can also create layers by using docker commit from the command line after making some changes (via docker run probably).
These layers are stored by default under /var/lib/docker. While you could (theoretically) cherry pick files from there and install it in a different ...
Change text color of one word in a TextView
...g for a way to change the color of a text of a single word in a TextView from within an Activity .
8 Answers
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Java: Detect duplicates in ArrayList?
...of detecting the elements in a 2D array be the same? For example, checking from array[0][0] to array[0][6] (a 'row')..? Many thanks, Terry
– Terry
Feb 18 '09 at 21:29
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How to determine if a number is a prime with regex?
... can, which is bad in this case because it prevents the backreference part from working.)
The next part is the backreference: That same set of characters (two or more), appearing again. Said backreference appears one or more times.
So. The captured group corresponds to a natural number of characte...
How can I plot with 2 different y-axes?
...org/doku.php?id=tips:graphics-base:2yaxes, link now broken: also available from the wayback machine
Two different y axes on the same plot
(some material originally by Daniel Rajdl 2006/03/31 15:26)
Please note that there are very few situations where it is appropriate to use two different scales ...
Defining an abstract class without any abstract methods
...e if derivations of that class will have different contractual obligations from those of other derivations of the parent.
– supercat
Dec 29 '13 at 16:41
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Get list of data-* attributes using javascript / jQuery
...jQuery's attempt at "deserializing" the value found in the attribute (i.e. from master: !jQuery.isNaN( data ) ? parseFloat( data ) : ...). I had product serial numbers in my attribute such as data-serial="00071134" which jQuery munged into a number 71134, forcing me to revert to the less elegant .at...
Is there a simple way to remove multiple spaces in a string?
... Yes right. But before that strip() should be done. It will remove spaces from both end.
– Hardik Patel
Dec 29 '16 at 12:46
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