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ruby - Best way to categorize products in rails 4 app

So, I'm trying to create a product categorization 'system' in my rails 4 app. Here's what I ... ? (awesome_nested_set, has_ancestry) Thanks! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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ssl - Why a root certificate is not trusted by java client, even though it is already in the cacerts key store

I am experiencing an issue when calling web service in my java project. The web service client is running in an ... , it works as well. Thanks See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Import and Export CSV using PowerShell with all columns in double quotes

I am using below code to import and export to CSV. The reason why I am doing an export is because I need all columns ... "|"A"|"Test"|"ABC,PQR" See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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html - Horizontal Center Radio Button in Table

I'm not what happening but here is my HTML; <tr id='javatbd158311X2059X38315A008' class='array2 answers-list radio-list' ... > </tbody> </table> See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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sql - Joining data from 5 tables without duplicate values and getting result with custom status in Oracle 10g

I have 5 tables which I have to use to get the set of pending documents for a theft claim. I am using Oracle ... b.doc_id=c.doc_id order by 1; See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - How do I send gridview as excel email attachment

I know I can export my gridview to excel without using VerifyRenderingInServerForm(Control control) like this: Response ... as an attachment? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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php - Show Sub categories of products under parent in Woocommerce

I'm try to find a way to easy manage my categories of products under admin panel. At the moment all of the ... able to add new sub categories. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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swift - Functions and optionals exercise

I am new to Swift. Recently, I am working on Swift exercises. Imagine you are creating an app for making ... conform to protocol 'Sequence'. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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sql - OLE DB or ODBC error. The current operation was cancelled because another operation in the transaction failed

OLE DB or ODBC error. An error occurred while processing table 'Query 1'. The current operation was cancelled ... what might be the reason? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How to rename files in Windows CMD (command prompt)

Renaming files in Windows explorer is easy but when you need to rename many files it can become quite tedious. ... (terminal) makes it easier. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - beautifulsoup4: how to retrieve a list of the class name of specific tag

I get that from beautifulsoup4: <tr class="Details"> <td class=" s-12-to-15 ">ABC</td> <td class="s-15 ... I'm interested to learn about bf4). See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - For-Loop: How to 'take one off' every time you pass over?

Sorry for the vague title. I have no idea how to put it. What I need to do: I have a list of stations, ... last time it passes over) # Station D See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - Passing two command parameters on button click on WPF NET 3.5 MVVM

I am trying to pass two ICommand parameters on button click to a method in view model. Now I am able ... is necessary when using multibinding. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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json - Very strange issue in Swift code. Delay to make operations

I've a very strange issue I could't solve. I'm developing an iOS app using swift. In a class (class A), ... dismiss isn't working)!!! Any idea? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c - Understanding a shuffling function

I found on this thread the following function to shuffle any kind of data types: #define NELEMS(x) ( ... the pointer arithmetic works here? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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sql server - T-SQL | Calculate the number of hours between dates but ignore the hours from Weekend and only count 8-18 hours

I'm trying to calculate the difference between two dates excluding the weekends and only count the time from 8pm - ... can I solve this? Thanks! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Geolocation map by default

I have a page show customer location on map and he can drage the marker to be more accurate and the GPS coordinates ... /script> </body> </html> See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - Getting all files in Azure file share (CloudFileDirectory)

I'm looking for a C# method that will return all files (in all sub-directories) ... masterLibClassLibraryCommonCoreExecutorExecutor.cs:line 41 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to pass dynamic data in bootstrap modal?

I am trying to achieve the following: I have a button : <button id= "<dynamicid>" type="button" class="btn ... on this would be of great help. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Is it possible to intercept an incoming call via an APP (IOS and Android)

Hey does anyone know if it's possible to intercept incoming calls via an app for both IOS and Android (no ... know of anything new? Thanks! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to Role-Provider Implementation into LINQ?

I want convert following sample Role-Provider Implementation to LINQ. How to: Sample Role-Provider Implementation I ... (Entity Framework 6). See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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lua - How to give priority to button

I have 2 buttons, one of which is on top of another. Screenshot: http://prntscr.com/akc6f7 (2 buttons) ... , those buttons are newImageRect(). See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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qt - How can I make paintEvent triggered only when update is called?

It is known that QWidget::paintEvent is triggered automatically the moment widget becomes visible or any event from ... response to update()? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - JTabbedPane won't change panel on mouseclick

I have a Main class that stores a TabbedComponent(extending JTabbedPane) as a variable. Another class (ToolbarComponent( ... that I am missing? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++ - problem with storing an image after padding

I am performing a simple masking operation with a 5x5 window. Following the accepted solution from this post ... appreciated. Thanks in advance See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Ruby Constants and Nested Classes

I'm trying to understand what the following will produce. According to IRHG, this code will return A1. IRHG says: ... C2 p Const end end end See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c - how to detect TCP keep alive packets and keep connection open

I wrote my own server with epoll. When I sent TCP keep alive packages from client to server, epoll event will not ... , how to keep it open) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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loops - The number of the product n=(a^2) * (a^3) using recursion only in haskell

In Haskell, I want to find how many pairs a,b there are for a given number n, given n = (a^2) * (a^3). ... :: Int->Int call n = sumF1n1n func n See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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