大约有 6,261 项符合查询结果(耗时:0.0211秒) [XML]

https://stackoverflow.com/ques... 

CoffeeScript on Windows?

...on Windows/Linux) looks like this: java -jar jcoffeescript-1.0.jar < foo.coffee > foo.js You will need to download & build the Java source code (use IntelliJ Community Edition to avoid downloading Ant) or a pre-built download for CoffeeScript v1.0. I now use jcoffeescript in place of...
https://stackoverflow.com/ques... 

How to break out from a ruby block?

...example would be doing something like this: class Bar def do_things Foo.some_method(x) do |i| # only valid `targets` here, yay. end end end class Foo def self.failed @failed ||= [] end def self.some_method(targets, &block) targets.reject {|t| t.do_something.bad...
https://stackoverflow.com/ques... 

Understanding Node.js modules: multiple requires return the same object?

...tance of A. From the node.js documentation: ... every call to require('foo') will get exactly the same object returned, if it would resolve to the same file. The situation is different when a.js, b.js and app.js are in different npm modules. For example: [APP] --> [A], [B] [B] --> ...
https://stackoverflow.com/ques... 

How to check for valid email address? [duplicate]

...l begrudgingly forgive people that don't allow email addresses like 100%." foo b@r"(this is a cool email address!)@(just a tld)com(ok), but I think the check for an @ symbol is really all you should have (a top level domain is valid as the domain part, but it's improbable). – C...
https://stackoverflow.com/ques... 

Define preprocessor macro through CMake?

...t, you can do the following: target_compile_definitions(my_target PRIVATE FOO=1 BAR=1) You should do this if you have more than one target that you're building and you don't want them all to use the same flags. Also see the official documentation on target_compile_definitions. ...
https://stackoverflow.com/ques... 

Creating the Singleton design pattern in PHP5

...n instance of its parent class instead of its own. Now you can do: class Foobar extends Singleton {}; $foo = Foobar::getInstance(); And $foo will be an instance of Foobar instead of an instance of Singleton. share ...
https://stackoverflow.com/ques... 

Get string character by index - Java

... can use to give me the character at the nth position? So in the string "foo", if I asked for the character with index 0 it would return "f". ...
https://stackoverflow.com/ques... 

How to prettyprint a JSON file?

...ent by: >>> import json >>> >>> your_json = '["foo", {"bar":["baz", null, 1.0, 2]}]' >>> parsed = json.loads(your_json) >>> print(json.dumps(parsed, indent=4, sort_keys=True)) [ "foo", { "bar": [ "baz", null, ...
https://stackoverflow.com/ques... 

How do you 'redo' changes after 'undo' with Emacs?

... Suppose you do have an operation sequence that looks like this: Insert "foo" Insert "bar" Insert "I love spam" Now, you undo. It undoes the last action, resulting in the following list: Insert "foo" Insert "bar" If you do something other than undo at this point - say, C-f, the operation st...
https://stackoverflow.com/ques... 

Moving from CVS to Git: $Id$ equivalent?

...sion like I expected. You have to re-co the file, for example, git commit foo.sh rm foo.sh git co foo.sh And then you will see the expansion, for example: $ head foo.sh #!/bin/sh # $Id: e184834e6757aac77fd0f71344934b1cd774e6d4 $ Some good information is in How do I enable the ident string for...