大约有 40,000 项符合查询结果(耗时:0.0372秒) [XML]

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What is the best practice for making an AJAX call in Angular.js?

....X. To prevent confusion it's being changed to reflect the best answer for ALL current versions of Angular as of today, 2013-12-05. The idea is to create a service that returns a promise to the returned data, then call that in your controller and handle the promise there to populate your $scope prop...
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What is the python “with” statement designed for?

...sulated for convenient reuse. 2. You could do something like: with open("foo.txt") as foo_file: data = foo_file.read() OR from contextlib import nested with nested(A(), B(), C()) as (X, Y, Z): do_something() OR (Python 3.1) with open('data') as input_file, open('result', 'w') as outpu...
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Equivalent of String.format in jQuery

... Doesn't look like there's much to it. The JavaScript version doesn't have all the fancy number formatting stuff, obviously. blog.stevex.net/index.php/string-formatting-in-csharp – Nosredna Jun 24 '09 at 15:09 ...
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Get statistics for each group (such as count, mean, etc) using pandas GroupBy?

... What if I have a separate called Counts and instead of count the rows of the grouped type, I need to add along the column Counts. – Abhishek Bhatia Oct 2 '17 at 21:28 ...
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Can we omit parentheses when creating an object using the “new” operator?

...cial case, for the new operator only, JavaScript simplifies the grammar by allowing the parenthesis to be omitted if there are no arguments in the function call. Here are some examples using the new operator: o = new Object; // Optional parenthesis omitted here d = new Date(); ... Personally, ...
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Java: how do I get a class literal from a generic type?

Typically, I've seen people use the class literal like this: 8 Answers 8 ...
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How to pipe list of files returned by find command to cat to view all the files

...ipe it to another utility like cat (so that cat displays the contents of all those files) and basically need to grep something from these files. ...
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Replace one substring for another string in shell script

...ing/Suzi/$secondString}" # prints 'I love Sara and Marry' To replace all occurrences, use ${parameter//pattern/string}: message='The secret code is 12345' echo "${message//[0-9]/X}" # prints 'The secret code is XXXXX' (This is documented in the Bash Reference Manual, §3.5.3 "She...
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Is JavaScript's “new” keyword considered harmful?

... to every object I create, I could just write a creation function that manually assigns each method to each new object... Or, I could assign them to the creation function's prototype and use new to stamp out new objects. Not only is this faster (no code needed for each and every method on the protot...
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How to create a generic array in Java?

...tly what type of objects it contains (i.e. its constructor was explicitly called with a Class<E> argument, and methods will throw an exception when they are passed arguments that are not of type E. See Collections.checkedCollection. -> in that case, you should write: public class GenSet&l...