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What does the “Just” syntax mean in Haskell?
...r integer functions that are meant to return Natural numbers (for example, String.indexOf - when a substring is not found, the returned index is commonly designed to be negative)
return a special value (pointer): NULL or some such
silently return without doing anything: for example, lend could be wr...
Where is the C auto keyword used?
...because it declares that the car is broken down. The diagnostic is free of charge, but turning off the dashboard light will cost you eighty dollars. (Twenty or less, if you purchase your own USB dongle for on-board diagnostics from eBay).
The aforementioned extern auto my_car also requires a diagno...
Insert a line break in mailto body
... Additional note: If you're constructing the link with ES6/ES2015 string templates the raw code (%0D%0A) works just fine.
– Adam Simpson
Apr 18 '16 at 16:00
...
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
..., the data is offset appropriately and +01:00 (or similar) is added to the string. Stripping off the tz_info value (using tz_convert(tz=None)) doesn't doesn't actually change the data that represents the naive part of the timestamp.
So, the only way to do what you want is to modify the underlyin...
What are these ^M's that keep showing up in my files in emacs?
... fix them yourself.
Edit: I found the following Python sample code here:
string.replace( str, '\r', '' )
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How to append rows to an R data frame
...<- function(n){
df <- data.frame(x = numeric(n), y = character(n), stringsAsFactors = FALSE)
for(i in 1:n){
df$x[i] <- i
df$y[i] <- toString(i)
}
df
}
Here's a similar approach, but one where the data.frame is created as the last step.
# Use preallocated vectors
f4 <...
Regular expression to match a word or its prefix
... preg_match('(dart|fart)', $gun4);
0
Variables gun1 and gun2 contain the string dart or fart which is correct, but gun3 contains darty and still matches, that is the problem. So onto the next example.
Match specific words on the commandline with word boundaries:
Word Boundaries can be force mat...
Looking for jQuery find(..) method that includes the current node
...
@ronen An extra file for something which can be done in one line? Thanks, but no thanks.
– user659025
Nov 18 '15 at 14:58
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How do I dynamically assign properties to an object in TypeScript?
...n interface could be defined as follows.
interface LooseObject {
[key: string]: any
}
var obj: LooseObject = {};
OR to make it compact:
var obj: {[k: string]: any} = {};
LooseObject can accept fields with any string as key and any type as value.
obj.prop = "value";
obj.prop2 = 88;
The real e...
Base64 encoding and decoding in client-side Javascript
... there any methods in JavaScript that could be used to encode and decode a string using base64 encoding?
13 Answers
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