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Declaring variables inside loops, good practice or bad practice?
... Here, retainValue is still valid; tmpValue no longer */
}
For question #2:
The variable is allocated once, when the function is called. In fact, from an allocation perspective, it is (nearly) the same as declaring the variable at the beginning of the function. The only difference is the scope: th...
What is the syntax rule for having trailing commas in tuple definitions?
...id expression:
a = [
"a",
"b"
"c"
]
Assuming that started as a 2 element list that was later extended it has gone wrong in a perhaps not immediately obvious way. Always include the trailing comma and you avoid that trap.
...
How do I save and restore multiple variables in python?
...in a single list, or tuple, for instance:
import pickle
# obj0, obj1, obj2 are created here...
# Saving the objects:
with open('objs.pkl', 'w') as f: # Python 3: open(..., 'wb')
pickle.dump([obj0, obj1, obj2], f)
# Getting back the objects:
with open('objs.pkl') as f: # Python 3: open(...,...
Maintain/Save/Restore scroll position when returning to a ListView
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20 Answers
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What data type to use for money in Java? [closed]
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Java has Currency class that represents the ISO 4217 currency codes.
BigDecimal is the best type for representing currency decimal values.
Joda Money has provided a library to represent money.
sha...
How to parse the AndroidManifest.xml file inside an .apk package
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+200
Use android-apktool
There is an application that reads apk files and decodes XMLs to nearly original form.
Usage:
apktool d Gmail.ap...
Find all tables containing column with specified name - MS SQL Server
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29 Answers
29
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Citing the author of a blockquote using Markdown syntax
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edited Sep 4 '15 at 12:35
answered Jan 4 '10 at 20:51
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How to implement a queue with three stacks?
...a.edu/webs/people/okasaki/jfp95.ps and it seems that he actually uses only 2 stacks for the O(1) version that has lazy evaluation. The problem is that it's really based on lazy evaluation. The question is if it can be translated to a 3-stack algorithm without lazy evaluation.
UPDATE: Another relate...