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How do I join two lists in Java?
...; JDK only, no external libraries. Bonus points for a one-liner or a JDK 1.3 version.
32 Answers
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Using Pairs or 2-tuples in Java [duplicate]
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324
I don't think there is a general purpose tuple class in Java but a custom one might be as easy...
Output to the same line overwriting previous output?
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Here's code for Python 3.x:
print(os.path.getsize(file_name)/1024+'KB / '+size+' KB downloaded!', end='\r')
The end= keyword is what does the work here -- by default, print() ends in a newline (\n) character, but this can be replaced with a diff...
How to get the function name from within that function?
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answered Mar 30 '13 at 2:59
Vlad A. IonescuVlad A. Ionescu
2,17311 gold badge1313 silver badges1616 bronze badges
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How to sort an array in descending order in Ruby
... user system total real
sort 3.960000 0.010000 3.970000 ( 3.990886)
sort reverse 4.040000 0.000000 4.040000 ( 4.038849)
sort_by -a[:bar] 0.690000 0.000000 0.690000 ( 0.692080)
sort_by a[:bar]*-1 0.700000 0.000000 0.700...
Why is 'this' a pointer and not a reference?
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edited Mar 14 '09 at 16:36
answered Mar 14 '09 at 14:41
D...
Visual Studio “Find” results in “No files were found to look in. Find stopped progress.”
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According to this thread:
Posted by Microsoft on 10/13/2009 at
4:33 PM
Hi all,
Thank you for your continued interest
in this bug. We have been able to
reproduce the issue intermittently in
several versions of Visual Studio
running on several versions of Win...
How do I write a short literal in C++?
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edited Sep 29 '15 at 22:39
Jonathan Leffler
641k111111 gold badges777777 silver badges11481148 bronze badges
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SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
...Categories
(
Code CHAR(4) NOT NULL PRIMARY KEY,
CategoryName VARCHAR(63) NOT NULL UNIQUE
);
CREATE TABLE Courses
(
CourseID INT NOT NULL PRIMARY KEY,
BookID INT NOT NULL,
CatCode CHAR(4) NOT NULL,
CourseNum CHAR(3) NOT NULL,
CourseSec CHAR(1) NOT NULL,
);
ALTER TABLE Courses
ADD FO...
How to add 'ON DELETE CASCADE' in ALTER TABLE statement
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163
You can not add ON DELETE CASCADE to an already existing constraint. You will have to drop and r...