nested

问题 I'm trying to parse strings of the form: 'foo(bar:baz;x:y)' I'd like the results to be returned in form of a nested dictionary, i.e. for the above string, the results should look like this: { 'foo' : { 'bar' : 'baz', 'x' : 'y' } } Despite numerous combinations of Dict() and Group() I can't get it to work. My (one of the versions of) grammar looks like this: import pyparsing as pp field_name = pp.Word( pp.alphanums ) field_value = pp.Word( pp.alphanums ) colon = pp.Suppress( pp.Literal( ':' )

问题 I'm wondering what is the best way to retrieve nested properties in Groovy, taking a given Object and arbitrary "property" String. I would like to something like this: someGroovyObject.getProperty("property1.property2") I've had a hard time finding an example of others wanting to do this, so maybe I'm not understanding some basic Groovy concept. It seems like there must be some elegant way to do this. As reference, there is a feature in Wicket that is exactly what I'm looking for, called the

问题 I am curious as to why the record contained in the result set of a Model.save() response does not properly return updated associated data, despite the updated data being contained in the server response... Example Model & Store Definition: Ext.define("App.model.test.Parent",{ extend: 'Ext.data.Model', requires: ['App.model.test.Child'], fields: [ {name: 'id', type: 'int' }, {name: 'name', type: 'string'}, {name: 'kids', type: 'auto', defaultValue: []} ], idProperty: 'id', hasMany: [{

问题 i want to create a nested sqlite database in android. ie. I want a particular field in a table to have its whole new set of values in the form of a distinct table. 回答1: What you're describing isn't possible; there is no way to include a table within a row in another table. Standard practice is to create "parent/child" tables by including the primary key of the parent table as a column in the child table; for instance: PARENT TABLE id | name --------- 1 | Fred 2 | Bob CHILD TABLE id | parent

问题 I need to build a nested comments system in a Rails 3 application that allows for comments on many models (articles, posts, etc) and am debating rolling my own solution along the lines of this post. There are gems available like acts_as_commentable_with_threading with awesome_nested_set, but they feel bloated for my needs. I need to be able to add comments to multiple models I need to be able to add comments to comments, infinitely deep I need to be able to efficiently retrieve all

问题 I am trying to have fun with my buddy who solved the problem mentioned in 8m 7s, and for me it is already 20m gone. I can't figure out how to handle unlimited nested array in javascript. The problem is this: // i will be an array, containing integers, strings and/or arrays like itself. // Sum all the integers you find, anywhere in the nest of arrays. So arraySum([[1,2,false],'4','5']) will return 3 (passed) arraySum([[1,2,3],4,5]) will return 15 (passed) arraySum([[[[[[[[[1]]]]]]]], 1]) will

问题 Been fighting with async module for half a day but can't get it to work properly when nesting few levels. So this works ok: var async = require('async') var myarr = ["Outer - A", "Outer - B"]; var myarr2 = ["Inner - A", "Inner - B"]; var innerComplete = true; async.eachSeries(myarr, function( item, outerCallback) { console.log('Processing item ' + item); async.series([ function(callback) { takeTime(2000, item, callback) }, function(callback) { takeTime(1000, item, callback) }, function

问题 I was reading the linked question which leads me to ask this question. Consider the following code int main() { string SomeString(); } All says, compiler takes this as a function prototype and not as a string object. Now consider the following code. int main() { string Some() { return ""; } } Compiler said this is invalid as I guess nested function definition is not allowed. If it is not allowed, why nested function prototypes are allowed? It is not giving any advantage rather than making

问题 I have been flattening domain objects into DTOs as shown in the example below: public class Root { public string AParentProperty { get; set; } public Nested TheNestedClass { get; set; } } public class Nested { public string ANestedProperty { get; set; } } public class Flattened { public string AParentProperty { get; set; } public string ANestedProperty { get; set; } } // I put the equivalent of the following in a profile, configured at application start // as suggested by others: Mapper

问题 The goal of my query is to return the country name and its head of state if it's headofstate has a name starting with A, and the capital of the country has greater than 100,000 people utilizing a nested query. Here is my query: SELECT country.name as country, (SELECT country.headofstate from country where country.headofstate like 'A%') from country, city where city.population > 100000; I've tried reversing it, placing it in the where clause etc. I don't get nested queries. I'm just getting