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Ruby, remove last N characters from a string?
...in a fast and readable manner.
The docs on the methods are here.
If you know what the suffix is, this is idiomatic (and I'd argue, even more readable than other answers here):
'abc123'.delete_suffix('123') # => "abc"
'abc123'.delete_suffix!('123') # => "abc"
It's even significantly...
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?
...
Convert seconds to HH-MM-SS with JavaScript?
...
Don't you know datejs? it is a must know.
Using datejs, just write something like:
(new Date).clearTime()
.addSeconds(15457)
.toString('H:mm:ss');
--update
Nowadays date.js is outdated and not maintained, so use...
How to compare type of an object in Python?
...ou can always use the type(x) == type(y) trick, where y is something with known type.
# check if x is a regular string
type(x) == type('')
# check if x is an integer
type(x) == type(1)
# check if x is a NoneType
type(x) == type(None)
Often there are better ways of doing that, particularly with an...
How can I see incoming commits in git? [duplicate]
...hand for showing the commits between "the common ancestor of wherever I am now and origin" through "origin".
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Reading from text file until EOF repeats last line [duplicate]
...u carry on to the next iteration. x is still 30 from previous iteration. Now you read from the stream and you get EOF. x remains 30 and the ios::eofbit is raised. You output to stderr x (which is 30, just like in the previous iteration). Next you check for EOF in the loop condition, and this ti...
How many bits or bytes are there in a character? [closed]
...ay, when NT was started a wchar_t was enough to avoid surrogate pairs, but now that it's UTF-16 even wchar_t strings can have variable-length characters, so on Windows a Unicode character in can take from 2 to 4 bytes (1 or 2 wchar_t).
– Matteo Italia
Jan 31 '1...
How to initialize a two-dimensional array in Python?
...t comprehension:
x = [[foo for i in range(10)] for j in range(10)]
# x is now a 10x10 array of 'foo' (which can depend on i and j if you want)
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jQuery - What are differences between $(document).ready and $(window).load?
...ady(function(){
});
here $ is used for define jQuery like $ = jQuery.
Now difference is that
$(document).ready is jQuery event that is fired when DOM is loaded, so it’s fired when the document structure is ready.
$(window).load event is fired after whole content is loaded like page contain ...
What's the best method in ASP.NET to obtain the current domain?
...at I can use instead of ":"? Something like System.Uri.PortDelimiter? You know, just for consistency. :)
– Jan Aagaard
Oct 17 '11 at 18:46
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