dynamic

问题 This question already has answers here : Closed 8 years ago . Possible Duplicate: Dynamic loading of python modules python: How to add property to a class dynamically? I have a dictionary with the filename and class names how can I import this class names and how can I create this classes? Example: classNames = { 'MCTest':MCTestClass} I want to import the MCTest and create the MCTestClass. 回答1: You have to use the __import__ function: http://docs.python.org/library/functions.html#import

问题 First, I am not talking about the new 'dynamic' keyword n C# 4.0. :) I believe I need to go the other way... I want a class, at code/design-time, that is generated from a set of XML files, or files/folder combinations, etc. Anything I can do with a change to the extern source. Is this possible with C#? I know it is possible with some design-time compliation of some hidden class name or something (i.e. the built in Properties for each project). Is there an easier way to do this? ALmost like a

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . Can anyone help me with this: <?php $remove = $_GET['hwid']; str_replace($_GET['hwid']."<br />","",$str); ?> It doesnt even delete the text... I Know i dont have it set to the html file i have thats because i don

问题 This question already has answers here : Obtaining a powerset of a set in Java (25 answers) Closed 4 years ago . I need to find all the subsets of an array using java.For e.g. if we have a set {1,2,3} then i should get {},{1},{2},{3},{1,2},{2,3},{1.3},{1,2,3} 回答1: You can do this to avoid needing to recurse the solutions. public static <T> void printCombinations(T[] arr) { for(long i = 0, max = 1L << arr.length; i < max; i++) { Set<T> ts = new HashSet<>(); for(int j = 0; j < arr.length; j++)

问题 I have few tables in my database and want to implement pagination for several tables on the pages. I wrote my own code for pagination in each page wherever it is required. Is there any frame work which can be easily implemented like, when I pass a query to a method or class it has to generate ui with proper pagination.Would any body suggest me any frame work which does this task. edit: I already specified that I wrote my own code for pagination, it is something very close to the one solution

问题 Here is screenshot ...my changes in spinner value reflects only after 2 swipes I have an app with 10 screens and i have 1 spinner in my main activity and a textbox in fragment .I want to display the recently selected spinner value in my textbox . I wrote a code to display the selected spinner value in my text box and its become stable throughout all my screens.But i don't know how to dynamically change the text box value according to the recently selected spinner value. ( Before downvoting

问题 What I want to do is build a dynamic data pull from different SQL source servers (Server1,Server2,Server3) etc. To pull down to dynamic locations on my SQL server (Dev,Prod) into databases (database1,database2,etc) The tables will be dropped and recreated each time the package is run so that I am sure I match the source servers if they change anything on source (field names, datatypes, lengths, etc) I will still get the data to extract. I want to pull this down using a single dataflow in a

问题 I have JSON object, something like this, and its dynamic, jsonInput= { "CONTRATE":80, "SALINC":30, "RETAGE":67, "MARSTATUS":"single", "SPOUSEDOB":"1970-01-01", "VIEWOPTION":"pension" } I am converting it into .NET dynamic object using Newtonsoft.Json converter: var jsonDynamic = JsonConvert.DeserializeObject<dynamic>(jsonInput); Now I have dynamic jsonDynamic .NET object. How can I get it's properties now? These should be jsonDynamic.CONTRATE, jsonDynamic.SALINC etc... How can I get the names

问题 I would like to make an array like this: double array[variable][constant]; Only the first dimension is variable. Declaring this with a variable as the first dimension gives initialization errors. Is there a simple way to do this with pointers or other basic types? 回答1: Variable length arrays didn't make it in the latest C++ standard. You can use std::vector instead std::vector<std::vector<double> > arr; Or, to fix for example the second dimension (to 10 in this example), you can do std:

问题 <?xml version="1.0"?> <watchlist timestamp="2013-02-04 17:38:24"> <team name="Parent"> <child name="ChildTeam1" team="3"> <client mnem="c1">5</client> <client mnem="c2">0</client> <client mnem="c3">1</client> <client mnem="c4">1</client> <client mnem="c5">2</client> <client mnem="c6">6</client> <client mnem="c7">0</client> <client mnem="c8">0</client> <client mnem="c9">1</client> <client mnem="c10">0</client> </child> <child name="ChildTeam2" team="3"> <client mnem="c1">6</client> <client