大约有 3,800 项符合查询结果(耗时:0.0233秒) [XML]

https://stackoverflow.com/ques... 

Pass correct “this” context to setTimeout callback?

...e this problem was to save a reference to the context where the setTimeout function call is made, because setTimeout executes the function with this pointing to the global object: var that = this; if (this.options.destroyOnHide) { setTimeout(function(){ that.tip.destroy() }, 1000); } In the...
https://stackoverflow.com/ques... 

Why is lazy evaluation useful?

... they're not going to be used. For example, I may pass three values into a function, but depending on the sequence of conditional expressions, only a subset may actually be used. In a language like C, all three values would be computed anyway; but in Haskell, only the necessary values are computed. ...
https://stackoverflow.com/ques... 

What is the ideal data type to use when storing latitude / longitude in a MySQL database?

... 6 digits after the decimal, plus up to 4 digits before the decimal, e.g. -123.456789 degrees.". If unsigned is checked the pattern will be 1234,567890. So no problems. – 1.44mb Feb 19 '14 at 10:58 ...
https://stackoverflow.com/ques... 

What are the differences between the urllib, urllib2, urllib3 and requests module?

... go: userdata = {"firstname": "John", "lastname": "Doe", "password": "jdoe123"} resp = requests.post('http://www.mywebsite.com/user', data=userdata) Plus it even has a built in JSON decoder (again, I know json.loads() isn't a lot more to write, but this sure is convenient): resp.json() Or if y...
https://stackoverflow.com/ques... 

Iterate through a HashMap [duplicate]

...ChanjungKim yes , its the Name of the HashMap – heman123 Feb 27 '19 at 22:29 add a comment  |  ...
https://stackoverflow.com/ques... 

How do I convert an integer to binary in JavaScript?

... This link may be of interest to some stackoverflow.com/questions/12337360/… anyhow, Your answer contradicts itself, you write "Javascript represents negative binary integers in two's-complement notation." And your code says " Here you could represent the number in 2s compliment but thi...
https://stackoverflow.com/ques... 

Automatically start forever (node) on system restart

... 123 You can use forever-service for doing this. npm install -g forever-service forever-service i...
https://stackoverflow.com/ques... 

Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac

... edited Jun 11 '18 at 16:38 ryan123 58577 silver badges2121 bronze badges answered May 16 '12 at 5:46 Rakesh J...
https://stackoverflow.com/ques... 

Finding the author of a line of code in Mercurial

... 123 On the command-line, you'd want to use hg annotate -u (-u can be combined with -n to get the l...
https://stackoverflow.com/ques... 

How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?

... 123 OLD only use a reference Dependencies uses express, socket.io, node_redis and last but not l...