大约有 45,000 项符合查询结果(耗时:0.0501秒) [XML]
Is there a way to make R beep/play a sound at the end of a script?
...mething else on a different desktop. If I don't check frequently, I never know when something is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script?
...
Local variables in nested functions
...free' variables (not defined in the function itself by assignment), are verified, then bound as closure cells to the function, with the code using an index to reference each cell. pet_function thus has one free variable (cage) which is then referenced via a closure cell, index 0. The closure itself ...
How do I get a TextBox to only accept numeric input in WPF?
...
Please let me know how to use it when declares in some other STATIC class and apply to textbox?
– SHEKHAR SHETE
Jun 28 '13 at 7:41
...
Unix - create path of folders and file
...
Probably better to use &&, as with ;, if the first command fails, the second command will still run (and fail, too, as that directory does not exist yet). With && if the first command fails, the second command does not run.
– trysis
...
How to pass command line arguments to a shell alias? [duplicate]
...o whatever you pass after that alias is ALSO passed on the command line. If you try this set -x; alias serve="python -m SimpleHTTPServer $1 &" you will see the error/problem. Both your argument and the alias command are run as separate commands.
– PatS
F...
How to initialize an array in one step using Ruby?
...o It:
plus_1 = 1.method(:+)
Array.new(3, &plus_1) # => [1, 2, 3]
If 1.method(:+) wasn't possible, you could also do
plus_1 = Proc.new {|n| n + 1}
Array.new(3, &plus_1) # => [1, 2, 3]
Sure, it's overkill in this scenario, but if plus_1 was a really long expression, you might want ...
New Array from Index Range Swift
...
#1. Using Array subscript with range
With Swift 5, when you write…
let newNumbers = numbers[0...position]
… newNumbers is not of type Array<Int> but is of type ArraySlice<Int>. That's because Array's subscript(_:) returns an ArraySlice<Element...
NUnit Test Run Order
...Your unit tests should each be able to run independently and stand alone. If they satisfy this criterion then the order does not matter.
There are occasions however where you will want to run certain tests first. A typical example is in a Continuous Integration situation where some tests are long...
How to repair a serialized string which has been corrupted by an incorrect byte count length?
...ce) it's deprecated - better use preg_replace_callback:
Edit: New Version now not just wrong length but it also fix line-breaks and count correct characters with aczent (thanks to mickmackusa)
// New Version
$data = preg_replace_callback('!s:\d+:"(.*?)";!s', function($m) { return "s:" . strlen($m[...
How can you use optional parameters in C#?
...s:
public void SomeMethod(int a, int b = 0)
{
//some code
}
Edit: I know that at the time the question was asked, C# 4.0 didn't exist. But this question still ranks #1 in Google for "C# optional arguments" so I thought - this answer worth being here. Sorry.
...
