大约有 44,000 项符合查询结果（耗时：0.0458秒） [XML]
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...
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.
...
How to dismiss keyboard for UITextView with return key?
...e reason to use UITextView is that it can hold text in multiple lines. And now I'm using it as a message box.
– Chilly Zhong
Apr 1 '09 at 6:12
28
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How to run a single RSpec test?
...s bee available but there is an Rspec configuration for run filtering - so now you can add this to your spec_helper.rb:
RSpec.configure do |config|
config.filter_run_when_matching :focus
end
And then add a focus tag to the it, context or describe to run only that block:
it 'runs a test', :focu...
C++ sorting and keeping track of indexes
...p;v](size_t i1, size_t i2) {return v[i1] < v[i2];});
return idx;
}
Now you can use the returned index vector in iterations such as
for (auto i: sort_indexes(v)) {
cout << v[i] << endl;
}
You can also choose to supply your original index vector, sort function, comparator, or ...
Declaring abstract method in TypeScript
...e property is marked as protected. This was added in TypeScript 1.3 and is now firmly established.
The makeSound method is marked as abstract, as is the class. You cannot directly instantiate an Animal now, because it is abstract. This is part of TypeScript 1.6, which is now officially live.
abstr...
Python: How to create a unique file name?
...
Sorry i am working on windows platform so dont know how to handle subprocess
– MysticCodes
Jun 3 '10 at 10:04
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Beginner's guide to ElasticSearch [closed]
There hasn't been any books about ElasticSearch (that I know of), and http://www.elasticsearch.org/guide/ seems to contain only references.
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How can I open the interactive matplotlib window in IPython notebook?
...
Works for me now (2014-08) using current release of Python 2.7 on Win7 x64.
– nerdfever.com
Aug 29 '14 at 1:31
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Local dependency in package.json
...e copied ..." does not seem to be the case with a more recent npm version. Now, a symlink is created.
– tsauerwein
Mar 19 '19 at 8:12
2
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