大约有 44,000 项符合查询结果(耗时:0.0541秒) [XML]

https://stackoverflow.com/ques... 

Difference between Inheritance and Composition

...s : Public class Transaction { Banking b; public static void main(String a[]) { b = new Deposit(); if(b.deposit()){ b = new Credit(); c.credit(); } } } Good to know : composition is easily achieved at runtime w...
https://stackoverflow.com/ques... 

Rails 4 multiple image or file upload using carrierwave

...ploader Avatar Create post scaffold rails generate scaffold post title:string Create post_attachment scaffold rails generate scaffold post_attachment post_id:integer avatar:string rake db:migrate In post.rb class Post < ActiveRecord::Base has_many :post_attachments accepts_nested...
https://stackoverflow.com/ques... 

How to handle multiple heterogeneous inputs with Logstash?

...? And then again, in the if statememt, if the tags were an array or single string, then both IF's would work. So logically this is incorrect, but maybe logstash has a different logic inside if's – meso_2600 Oct 28 '18 at 18:06 ...
https://stackoverflow.com/ques... 

Best Timer for using in a Windows service

... Console.WriteLine("{0} Creating timer.\n", DateTime.Now.ToString("h:mm:ss.fff")); Timer stateTimer = new Timer(timerDelegate, autoEvent, 1000, 250); // When autoEvent signals, change the period to every // 1/2 second. autoEvent.Wait...
https://stackoverflow.com/ques... 

ctypes - Beginner

...endl; } which is compiled as before and the imported in the same way. The extra Python code to use this function would then be, import numpy as np py_print_array = lib.print_array py_print_array.argtypes = [ctl.ndpointer(np.float64, flags='aligned, c_conti...
https://stackoverflow.com/ques... 

How to write Unicode characters to the console?

...F8; for (var i = 0; i <= 1000; i++) { Console.Write(Strings.ChrW(i)); if (i % 50 == 0) { // break every 50 chars Console.WriteLine(); } } Console.ReadKey(); } } VB.NET imports Microsoft.VisualBasic imports System ...
https://stackoverflow.com/ques... 

How to design a database for User Defined Fields?

...columns for fieldname or tablename is storing metadata identifiers as data strings, and that's the start of a lot of the problems. Also see en.wikipedia.org/wiki/Inner-platform_effect – Bill Karwin Mar 3 '11 at 16:51 ...
https://stackoverflow.com/ques... 

How to track untracked content?

...d -r MOD; do # extract submodule path (split line at whitespace and take string with index 3) ARRIN=(${MOD}) MODPATH=${ARRIN[3]} # grep module url from .git file in submodule path MODURL=`grep "url = " $MODPATH/.git/config` MODURL=${MODURL##*=} # echo path and url for information e...
https://stackoverflow.com/ques... 

client secret in OAuth 2.0

...-to-us and here https://www.youtube.com/watch?v=twyL7Uxe6sk. All in all be extra cautious of your usage of third party libraries (common sense actually but if token hijacking is your big concern add another extra to cautious). I have been ranting about the point 2 for quite some time. I have even d...
https://stackoverflow.com/ques... 

How do I write unencoded Json to my View using Razor?

...lAttendees)) In releases earlier than Beta 2 you did it like: @(new HtmlString(Json.Encode(Model.PotentialAttendees))) share | improve this answer | follow ...