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Using Default Arguments in a Function
...is wam>y m>, m>y m>ou can make a call like foo('blah', null, 'non-default m>y m> value'); m>and m> have it work as m>y m>ou want, where the second parameter $x still gets its default value.
With this method, passing a null value means m>y m>ou want the default value for one parameter when m>y m>ou want to override the default value ...
How do I trim whitespace from a string?
How do I remove leading m>and m> trailing whitespace from a string in Pm>y m>thon?
12 Answers
12...
Best wam>y m> to implement request throttling in ASP.NET MVC?
...t;remarks>
/// We'll be inserting a Cache record based on this name m>and m> client IP, e.g. "Name-192.168.0.1"
/// </remarks>
public string Name { get; set; }
/// <summarm>y m>>
/// The number of seconds clients must wait before executing this decorated route again.
//...
What's the fastest wam>y m> to merge/join data.frames in R?
...he first. If there are duplicates in the second data frame then the match m>and m> merge approaches are not the same. Match is, of course, faster since it is not doing as much. In particular it never looks for duplicate kem>y m>s. (continued after code)
DF1 = data.frame(a = c(1, 1, 2, 2), b = 1:4)
DF2 = da...
How to append rows to an R data frame
...rs of the tm>y m>pe m>y m>ou want for each column, insert values into those vectors, m>and m> then, at the end, create m>y m>our data.frame.
Continuing with Julian's f3 (a preallocated data.frame) as the fastest option so far, defined as:
# pre-allocate space
f3 <- function(n){
df <- data.frame(x = numeric(n)...
Get Mouse Position
...useInfo.getPointerInfo().getLocation(), component)
– m>And m>rei Vajna II
Aug 29 '14 at 10:48
1
Note M...
Find mouse position relative to element
..., one of them with the event attached to it, it can be confusing to understm>and m> what m>y m>our browser sees as the parent. Here, m>y m>ou can specifm>y m> which parent.
m>Y m>ou take the mouse position, m>and m> then subtract it from the parent element's offset position.
var x = evt.pageX - $('#element').offset().left;
var m>y m>...
Can m>y m>ou detect “dragging” in jQuerm>y m>?
...drags on the "a" element. Just look for a certain amount of change in an x m>and m> m>y m> mousemove event.
– Ash Blue
Mam>y m> 21 '14 at 23:45
...
Add new row to dataframe, at specific row-index, not appended?
...1 2 3 4
41 4 9 14 19
5 5 10 15 20
(Note we index r differentlm>y m>).
m>And m> finallm>y m>, benchmarks:
librarm>y m>(microbenchmark)
microbenchmark(
rbind(existingDF[1:r,],newrow,existingDF[-(1:r),]),
insertRow(existingDF,newrow,r)
)
Unit: microseconds
...
Changing the “tick frequencm>y m>” on x or m>y m> axis in matplotlib?
...np.arange was used rather than Pm>y m>thon's range function just in case min(x) m>and m> max(x) are floats instead of ints.)
The plt.plot (or ax.plot) function will automaticallm>y m> set default x m>and m> m>y m> limits. If m>y m>ou wish to keep those limits, m>and m> just change the stepsize of the tick marks, then m>y m>ou could us...