大约有 47,000 项符合查询结果(耗时:0.0562秒) [XML]

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How to get a DOM Element from a JQuery Selector

... 266 You can access the raw DOM element with: $("table").get(0); or more simply: $("table")[0];...
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Android AsyncTask threads limits?

... 207 All AsyncTasks are controlled internally by a shared (static) ThreadPoolExecutor and a LinkedB...
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How get integer value from a enum in Rails?

... 142 You can get the integer values for an enum from the class the enum is on: Model.sale_infos # Pl...
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How can I count the number of matches for a regex?

...tches When counting matches of aa in aaaa the above snippet will give you 2. aaaa aa aa To get 3 matches, i.e. this behavior: aaaa aa aa aa You have to search for a match at index <start of last match> + 1 as follows: String hello = "aaaa"; Pattern pattern = Pattern.compile("aa");...
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If string is empty then return some default value

... 228 ActiveSupport adds a presence method to all objects that returns its receiver if present? (the...
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Using the Underscore module with Node.js

...ate: /<%=([\s\S]+?)%>/g }, template: [Function] } > _und.max([1,2,3]) 3 > _und.max([4,5,6]) 6 share | improve this answer | follow | ...
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Vim: How to change the highlight color for search hits and quickfix selection

... 162 Look at $VIMRUNTIME/colors/desert.vim. Color mappings are defined there with the hi[ghlight] co...
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Convert Python dictionary to JSON array

... answered Feb 2 '13 at 10:50 kmerenkovkmerenkov 2,60111 gold badge1616 silver badges77 bronze badges ...
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What's the standard way to work with dates and times in Scala? Should I use Java types or there are

...cala_time.time.Imports._ DateTime.now // returns org.joda.time.DateTime = 2009-04-27T13:25:42.659-07:00 DateTime.now.hour(2).minute(45).second(10) // returns org.joda.time.DateTime = 2009-04-27T02:45:10.313-07:00 DateTime.now + 2.months // returns org.joda.time.DateTime = 2009-06-27T13:25:59.195-...
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Difference between passing array and array pointer into function in C

...eters treated as though they were declared as pointers? Here's why: 6.3.2.1 Lvalues, arrays, and function designators ... 3 Except when it is the operand of the sizeof operator or the unary & operator, or is a string literal used to initialize an array, an expression that has type ‘‘array...