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Android Studio says “cannot resolve symbol” but project compiles
I'm importing twitter4j in AndroidStudio, using the following in my build.gradle:
27 Answers
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What is the difference between LINQ ToDictionary and ToLookup
What is the difference between LINQ ToDictionary and ToLookup? They seem to do the same thing.
2 Answers
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For loop for HTMLCollection elements
...x. So, to get the value from the pseudo-array, you'd have to do list[key] and to get the id, you'd do list[key].id. But, you should not be doing this with for/in in the first place.
Summary (added in Dec 2018)
Do not ever use for/in to iterate a nodeList or an HTMLCollection. The reasons to avo...
Finding what methods a Python object has
...t an AttributeError, you can use this instead:
getattr( is intolerant of pandas style python3.6 abstract virtual sub-classes. This code does the same as above and ignores exceptions.
import pandas as pd
df = pd.DataFrame([[10, 20, 30], [100, 200, 300]],
columns=['foo', 'bar',...
How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
5
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Getting View's coordinates relative to the root layout
Can I get a View's x and y position relative to the root layout of my Activity in Android?
10 Answers
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How do I set up NSZombieEnabled in Xcode 4?
How do I set up NSZombieEnabled and CFZombieLevel for my executable in Xcode 4?
7 Answers
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How do I find a stored procedure containing ?
...NFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_DEFINITION LIKE '%Foo%'
AND ROUTINE_TYPE='PROCEDURE'
SELECT OBJECT_NAME(id)
FROM SYSCOMMENTS
WHERE [text] LIKE '%Foo%'
AND OBJECTPROPERTY(id, 'IsProcedure') = 1
GROUP BY OBJECT_NAME(id)
SELECT OBJECT_NAME(object_id)
F...
What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?
What's the difference between F5 refresh and SHIFT + F5 in Google Chrome browser?
3 Answers
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Why does Oracle 9i treat an empty string as NULL?
..., but that doesn't do much to tell me why this is the case. As I understand the SQL specifications, ' ' is not the same as NULL -- one is a valid datum, and the other is indicating the absence of that same information.
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