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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
...
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 :
...
How can I get the list of a columns in a table for a SQLite database?
...(3.6, I believe). I am looking for code that does this with a SQL query. Extra bonus points for metadata related to the columns (e.g. length, data type, etc...)
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ctypes - Beginner
...endl;
}
which is compiled as before and the imported in the same way. The extra Python code to use this function would then be,
import numpy as np
py_print_array = lib.print_array
py_print_array.argtypes = [ctl.ndpointer(np.float64,
flags='aligned, c_conti...
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());...
SortedList, SortedDictionary and Dictionary
...on the Key values (defined in an IComparer). For example, if your Keys are Strings, then your Collection will by default be processed per the alphabetical order of your Keys, but you could always define a custom sorting rule.
– Ama
Feb 20 '19 at 14:44
...
Bootstrap 3 and 4 .container-fluid with grid adding unwanted padding
...
That's only possible via an extra class... I've defined a class named remove-padding which just has a .remove-padding {padding-left: 0; padding-right: 0; margin-left: 0; margin-right: 0} As far as I know, there is no predefined class to remove the defau...
What's the scope of the “using” declaration in C++?
I'm using the 'using' declaration in C++ to add std::string and std::vector to the local namespace (to save typing unnecessary 'std::'s).
...
Set a default parameter value for a JavaScript function
...ou'd get a reference error if you misspelled undefined vs. putting it in a string.
– Abe Voelker
May 21 '15 at 22:04
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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...