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c# - Making Lucene.Net thread safe in the code

I am using Lucene.Net for Searching and wanted to know how I can handle this threading issue. I have a single ... //somelogic return result; } } 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# - MVC Website - ServerGotRequest ServerBeginResponse

Been building a website in MVC 5, Framework 4.6.1. but I'm having a problem with the loading speeds. After ... on where to look for the cause? 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 - Div behave incorrectly when “<select>” is used; works fine when “<input>” is used

I have code as shown in http://jsfiddle.net/Lijo/PJcZQ/. It has tow divs with similar content GROUP1 and ... ?] How can we correct it? 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 - Sherlock and The beast - issue

Question: Sherlock Holmes is getting paranoid about Professor Moriarty, his arch-enemy. All his efforts to subdue ... insights would be helpful See Question&Answers more detail:os...

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

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asp.net - Convert ASPX pages to content pages?

I am working through the MCTS Training kit book (exam 70-515). I'm working on a case study practice ... so any assistance would be helpful. 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 - To get value of one particular row in a table and deletion of a row

I used handlebars to render table with data with each having edit button . I need to know like, if the edit ... i went wrong. Please rectify. 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 add derived class objects to an array of base class type?

unfortunately, I can't use std::vector and have to use plain C++ arrays. I got the following code: class ... copying of objects at a minimum. See Question&Answers more detail:os...

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

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android - How to pass Custom List Object using intent

I am working on android application and in that I want to pass a Cutom list Object to other activity via intent. ... a lot in advanced !!! 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 - Make JButton invisible but respect its original space

I am using a GridBagLayout and I want to set some buttons as invisible (i.e. they cannot be seen nor ... a shorter way of achieving this? 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++ - Find and delete value in a vector

class Catalog { // string StationTitle; string StationLocation; public: string StationTitle; Catalog() { StationTitle = "" ... (std::string) ()' See Question&Answers more detail:os...

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

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signals - C fork and pipe program with non-deterministic output

Lets consider the following code (please do not write, that there are naming problems, structuring problems, etc, I know ... ); } return 0; } 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# - Using substring to eliminate the directory path is not working

I need to trim the directory path so that the file only shows up in a TextBox. I keep ... trim is: C:TwinTableLeftTableO02013100200210.TA4 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 3.x - Use tkinter button to populate a coordinate in a scatterplot

I am new to tkinter and I am trying to build a simple code to plot some coordinates in a scatter plot. ... 460, window=button2) root.mainloop() 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.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to com.spring.webapp.lojavirtual.acesso.persistence.model.Usuario

In my spring project, I have implemented a generic class to serve as base for all my Dao class. ... doFilter(FilterChainProxy.java:342) at org.springframework.security.web.contex...

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

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java - What is the purpose of concatenating a string and an integer?

This method returns true if the number passed in contains a 1. public boolean hasOne(int n) { return (n + " ... Strings as far as I understand). 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 - send a serializable object over socket

I have a strange problem to send a serializable object that I have created over socket. In fact if I run ... writeObject(list_of_object); ... } See Question&Answers more detail:os...

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

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android - HashMap is null so i cant get my data shown in the emulator from Firebase database

Android studio showed a warning so with ALT + ENTER the code val name = data[USERNAME] as String ... ) } thoughtsAdapter.notifyDataSetChanged() 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 - Thread - concurrency issue

Table with column "count". It has primary key "rowID". Now I want to fetch this count, increment it by 1 ... right way to handle this scenario. See Question&Answers more detail:os...

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

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Evolving functions in python

Updated Question Following from my original post, with the use of @Attack68 's code, I have created a program that ... workout how to fix it? See Question&Answers more detail:os...

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

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performance - Azure vm is very slow

I have vm on azure. having Windows Server 2012 R2 and location is west us zone. When I take RDC of that VM ... Can you please help me with this? 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 - Multiple MYSQLi prepared statements

I am just learning how to use MYSQLi prepared statements so please go easy on me. I can get these to work ... for your help! Much appreciated. See Question&Answers more detail:os...

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

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bluetooth lowenergy - How to change BLE pin programmatically

Can we change passkey (4 digit pin) in Bluetooth Low Energy? How to change it programmatically ? FYI : I ... com/don/cordova-plugin-ble-central See Question&Answers more detail:os...

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

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Access form checkbox AND OR statements

Recently I started creating a form to filter the database by using checkboxes. I have the following data: ... to ask for clarification! See Question&Answers more detail:os...

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

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powershell - Cannot replace path

I want to replace string in $test that contains $folder, there's no syntax error but nothing is replaced: ... still contains 'c: estsubtest' 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 - How to solve duplicate data items in recyclerview

I get duplicate data items in the recyclerview after the location data has been updated I have tried some such like way ... id.tv_durasi); } } } 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++ - Swapping two rows in a matrix

I am having a problem in swapping two rows in a matrix that is a 2D-dynamic array. I wanted to know if there ... ptrMatrix[i] = new int[column]; See Question&Answers more detail:os...

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

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windows - How to rename a file without closing all of it's open file handles?

I create GENERIC_READ file handle with createFile. This is my instruction : hfile := CreateFileA(aFileName, ... s GENERIC_READ file handle? See Question&Answers more detail:os...

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

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Sorting characters by count using PHP or Python

I have a string of characters abcdefghijklmnopqrstuvwxyz_ I want to take this string of characters and sort them by the ... in a single line. See Question&Answers more detail:os...

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

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