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Where should virtualenvs be created?
...tree and it tree moves you have to reinstall, or put it on ~ but manage on extra subdir outside of project.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jul 13 at 7:27
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How to avoid Python/Pandas creating an index in a saved csv?
...er way do to this is specify pd.read_csv(..., index_col=[0], and avoid the extra "drop" call.
– cs95
May 28 '19 at 4:19
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Getting key with maximum value in dictionary?
I have a dictionary : keys are strings, values are integers.
25 Answers
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Delete the first three rows of a dataframe in pandas
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drop can even be calculated in-place (without extra assignment). Faster and simpler!
– tim
Jun 13 '14 at 18:24
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Pros and Cons of Interface constants [closed]
...s wouldn't include any constants or conditionals or magic-numbers or magic-strings or hard-coded anything. However, that adds additional time to the development, as you must consider the uses. My view is that most times it's absolutely worth taking the additional time to build a great solid design...
Difference between a theta join, equijoin and natural join
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A theta join allows for arbitrary comparison relationships (such as ≥).
An equijoin is a theta join using the equality operator.
A natural join is an equijoin on attributes that have the same name in each relationship.
Additionally,...
List files in local git repo?
...by my Git repo. If the directory had additional files, it would mean those extra files were not being tracked. You can add files using git add <file>... of course.
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What is the size of column of int(11) in mysql in bytes?
...ied as zerofill. Otherwise, it will just be displayed as number 1, without extra digits. @Gaurav - don't mix how mysql displays data and how it stores it, those are two different things. What you see is not what it really might be.
– Michael J.V.
Apr 12 '11 at ...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
...Deletion of a specific element in a Linked List (Not sorted)
Comparing two strings
Checking for Palindrome
Counting/Bucket Sort
and here too you can find a million more such examples....
O(log n) time
Binary Search
Finding largest/smallest number in a binary search tree
Certain Divide and Conq...
What is PECS (Producer Extends Consumer Super)?
... arguments in the subtype.
}
class Sub extends Super {
@Override
String testCoVariance(){ return null;} //compiles successfully i.e. return type is don't care(String is subtype of Object)
@Override
void testContraVariance(String parameter){} //doesn't support even though String is...