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Windows batch: formatted date into variable
How do I save the current date in YYYY-MM-DD format into some variable in a Windows .bat file?
17 Answers
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Is there any difference between “!=” and “” in Oracle Sql?
I would like to know if there are any differences in between the two not equal operators <> and != in Oracle.
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Jinja2 template variable if None Object set a default value
...endif %}
or
{{ p.User['first_name'] if p != None else 'NONE' }}
or if you need an empty string:
{{ p.User['first_name'] if p != None }}
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What is the significance of load factor in HashMap?
...: size and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it.
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Object of custom type as dictionary key
What must I do to use my objects of a custom type as keys in a Python dictionary (where I don't want the "object id" to act as the key) , e.g.
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How to get a float result by dividing two integer values using T-SQL?
Using T-SQL and Microsoft SQL Server I would like to specify the number of decimal digits when I do a division between 2 integer numbers like:
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Emulate ggplot2 default color palette
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It is just equally spaced hues around the color wheel, starting from 15:
gg_color_hue <- function(n) {
hues = seq(15, 375, length = n + 1)
hcl(h = hues, l = 65, c = 100)[1:n]
}
For example:
n = 4
cols = gg_color_hue(n)
dev.new(wid...
Class type check in TypeScript
In ActionScript, it is possible to check the type at run-time using the is operator :
3 Answers
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What's the point of g++ -Wreorder?
...der. What this option does is described below. It is not obvious to me why somebody would care (especially enough to turn this on by default in -Wall).
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Is functional GUI programming possible? [closed]
I've recently caught the FP bug (trying to learn Haskell), and I've been really impressed with what I've seen so far (first-class functions, lazy evaluation, and all the other goodies). I'm no expert yet, but I've already begun to find it easier to reason "functionally" than imperatively for basic ...