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How to use Class in Java?
There's a good discussion of Generics and what they really do behind the scenes over at this question , so we all know that Vector<int[]> is a vector of integer arrays, and HashTable<String, Person> is a table of whose keys are strings and values Person s.
However, what stumps me ...
How to globally replace a forward slash in a JavaScript string?
How to globally replace a forward slash in a JavaScript string?
10 Answers
10
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Select SQL Server database size
how can i query my sql server to only get the size of database?
10 Answers
10
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Are list-comprehensions and functional functions faster than “for loops”?
In terms of performance in Python, is a list-comprehension, or functions like map() , filter() and reduce() faster than a for loop? Why, technically, they run in a C speed , while the for loop runs in the python virtual machine speed ?.
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How to get a list of all files that changed between two Git commits?
Due to bureaucracy, I need to get a list of all changed files in my repository for a report (I started with existing source code).
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Plot smooth line with PyPlot
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You could use scipy.interpolate.spline to smooth out your data yourself:
from scipy.interpolate import spline
# 300 represents number of points to make between T.min and T.max
xnew = np.linspace(T.min(), T.max(), 300)
po...
MySQL Query GROUP BY day / month / year
Is it possible to make a simple query to count how many records I have in a determined period of time like a year, month, or day, having a TIMESTAMP field, like:
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I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
...teTime('2010-05-10');
$interval = DateInterval::createFromDateString('1 day');
$period = new DatePeriod($begin, $interval, $end);
foreach ($period as $dt) {
echo $dt->format("l Y-m-d H:i:s\n");
}
This will output all days in the defined period between $start and $end. If you want to inclu...
Swift class introspection & generics
I am trying to dynamically create a class instance based type using generics, however I am encountering difficulty with class introspection.
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Generate list of all possible permutations of a string
...t generating a list of all possible permutations of a string between x and y characters in length, containing a variable list of characters.
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