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What is the combinatory logic equivalent of intuitionistic type theory?
...uction we know.)
Combinator Syntax and Normalization
Anyhow, we have two extra symbols, Pi and Set, so we might perhaps manage a combinatory translation with S, K and two extra symbols: I chose U for the universe and P for the product.
Now we can define the untyped combinatory syntax (with free v...
How to get RelativeLayout working with merge and include?
..., unfortunately. As you can't have a View as the xml root, we must have an extra ViewGroup there...
– Rafael Nobre
Jul 24 '13 at 13:20
13
...
Get the correct week number of a given date
...52 weeks in a year. Each year has 52 full weeks + 1 or +2 (leap year) days extra. They make up for a 53th week.
52 weeks * 7days = 364 days.
So for each year you have at least one an extra day. Two for leap years. Are these extra days counted as separate weeks of their own?
How many weeks there...
How to store standard error in a variable
...ut for display or to be piped into another command.
It sets up a couple of extra file descriptors to manage the redirections needed in order to do this.
#!/bin/bash
exec 3>&1 4>&2 #set up extra file descriptors
error=$( { ./useless.sh | sed 's/Output/Useless/' 2>&4 1>&3...
Split (explode) pandas dataframe string entry to separate rows
I have a pandas dataframe in which one column of text strings contains comma-separated values. I want to split each CSV field and create a new row per entry (assume that CSV are clean and need only be split on ','). For example, a should become b :
...
Loading local JSON file
... very simplest solution for me. The JSON file looks almost the same, so no extra clutter (only a "var xyz =" on the very top of the file). Nobody wants a big data file in their code.
– cslotty
Dec 9 '17 at 8:00
Overriding superclass property with different type in Swift
...
This seems to work
class Chassis {
func description() -> String {
return "Chassis"
}
}
class RacingChassis : Chassis {
override func description() -> String {
return "Racing Chassis"
}
func racingChassisMethod() -> String {
return "Wro...
How to execute XPath one-liners from shell?
...this query, use the -wrap option on the command line. If you just want the string value of the attribute, add /string() to the query.
– Michael Kay
Mar 26 '13 at 18:25
...
Jade: Links inside a paragraph
... "<a href='$2'>$1</a>");
return jade.compile(txt)();
};
jadestring = ""+ // p.s. I hate javascript's non-handling of multiline strings
"h1 happy days\n"+
":inline\n"+
" p this can have [a link](http://going-nowhere.com/) in it"
f = jade.compile(jadestring);
console.log(f());...
How to sort objects by multiple keys in Python?
... So this does work well. I call my function with the list and string as parameters. I split the string first then call the multikeysort with the list and the list of keys from the split string. It does not matter which item in the string has the '-' at the start of the column name, beca...