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Listing all permutations of a string/integer
...from my experience of interviews though) is to take a string or an integer and list every possible permutation.
28 Answers
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How do I read a text file of about 2 GB? [duplicate]
...the fast, smart log explorer.
I have opened log file of size around 2 GB, and the search is also very fast.
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Open the file in universal-newline mode using the CSV Django module
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PEP278 explained what rU stands for:In a Python with universal newline support open() the mode parameter can also be "U", meaning "open for input as a text file with universal newline interpretation". Mode "rU" is also allowed, for symmetr...
How to Set Opacity (Alpha) for View in Android
...lar problem with a TextView. I was able to solve it, by extending TextView and overriding onSetAlpha. Maybe you could try something similar with your button:
import android.content.Context;
import android.util.AttributeSet;
import android.widget.TextView;
public class AlphaTextView extends TextVie...
int to hex string
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Great! I will add $"0x{id:X4}";
– Andrei Krasutski
Mar 14 at 9:34
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Python setup.py develop vs install
Two options in setup.py develop and install are confusing me. According to this site , using develop creates a special link to site-packages directory.
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MassAssignmentException in Laravel
I am a Laravel newbie. I want to seed my database. When I run the seed command I get an exception
11 Answers
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Why would anyone use set instead of unordered_set?
C++0x is introducing unordered_set which is available in boost and many other places. What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead ...
How can I reference the value of a final static field in the class?
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How does inheritance work for Attributes?
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