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Is it possible to use 'else' in a list comprehension? [duplicate]
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The syntax a if b else c is a ternary operator in Python that evaluates to a if the condition b is true - otherwise, it evaluates to c. It can be used in comprehension statements:
>>> [a if a else 2 for a in [0,1,0,3]]
[2, 1, 2, 3]
So for your example,
table = '...
How to size an Android view based on its parent's dimensions
...ure() method. If you always use "fill_parent" for the layout_width in your xml then the widthMeasureSpec parameter that is passed into the onMeasusre() method should contain the width of the parent.
public class MyCustomView extends TextView {
public MyCustomView(Context context, AttributeSet ...
Locking a file in Python
I need to lock a file for writing in Python. It will be accessed from multiple Python processes at once. I have found some solutions online, but most fail for my purposes as they are often only Unix based or Windows based.
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How to remove \xa0 from string in Python?
...de representing spaces. Is there an efficient way to remove all of them in Python 2.7, and change them into spaces? I guess the more generalized question would be, is there a way to remove Unicode formatting?
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Replacing a fragment with another fragment inside activity group
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Fragments that are hard coded in XML, cannot be replaced. If you need to replace a fragment with another, you should have added them dynamically, first of all.
Note: R.id.fragment_container is a layout or container of your choice in the activity you are br...
background function in Python
I've got a Python script that sometimes displays images to the user. The images can, at times, be quite large, and they are reused often. Displaying them is not critical, but displaying the message associated with them is. I've got a function that downloads the image needed and saves it locally. Rig...
Replace values in list using Python [duplicate]
...ate(items):
if not (item % 2):
items[index] = None
Here are (Python 3.6.3) timings demonstrating the non-timesave:
In [1]: %%timeit
...: items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
...: for index, item in enumerate(items):
...: if not (item % 2):
...: items[inde...
How do I determine the size of an object in Python?
I want to know how to get size of objects like a string, integer, etc. in Python.
13 Answers
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How do I get the “id” after INSERT into MySQL database with Python?
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@FlyingAtom, because this was run on python2 instead of python3.
– Andrew
Feb 16 '16 at 20:05
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show 3...
Why Maven uses JDK 1.6 but my java -version is 1.7
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It helped me. Just add it in your pom.xml.
By default maven compiler plugin uses Java 1.5 or 1.6, you have to redefine it in your pom.xml.
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId&g...