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c# - ASP.NET performance: which is faster?

I have a choice here. Two opinions: One is to read an XML file, which is about one page long, twice and ... faster? Or any better idea? 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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java - Android inflate view multiple time depending on button state - optimisation

StackOverflow community, I need your help (again) ! I created a custom class to quickly create View object (basically ... do it the "dirty way" 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 on rails - How to reset database for specific class?

Hello i know you can run rake db:reset. But how does one reset a specific database? I just want to reset the database for Items class. 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 - LARAVEL 6.x = Trying to get property 'id' of non-object

I wish to be able to edit my users through the admin panel but this returns the following error to ... 'AdminDashboardController@destroy'); }); See Question&Answers more detail:os...

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

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Exception for 32 bit number C++

Why do I get exception Unhandled exception at 0x00000001 in TestingCOA.exe: 0xC0000005: Access violation (parameters: ... } RemExponent=x; } See Question&Answers more detail:os...

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

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mysql - Select in select query cakephp

I have 2 table 1. feeds => id,name 2. feed_locations => id, feed_id, latitude,longitude,location_name This is ... i use this query in cakephp 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 - select value in dropdown dynamically change value in textbox

I am working on this form where it has drop down and text box. When value selected in one drop-down ... Please suggest. 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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Excel VBA - Text from TextBox in the active cell

I would like to build a simple UserForm with a TextBox and a CommandButton, which opens itself by clicking inside ... code? 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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How best to compare two arrays in C++ with unit tests to verify they match?

Currently, I've got a program which reads and extracts multiple pieces of data from a file, and i would like ... best method to approach 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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Python: check a function's default arguments

Given a function (e.g. create_instances) which takes many keyword arguments, how do I know ... ec2.html#EC2.ServiceResource.create_instances See Question&Answers more detail:os...

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

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replicaset - MongoDb primary replica becomes secondary if secondary fails

I have 2 mongo replicas. One is primary and the second one is secondary. If I stop the secondary replica, the ... me. Thank you for 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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git - Sync the local code to Amazon server through GitHub webhook

I am following a tutorial on deploying a Node.js app onto the Amazon service with GitHub's webhook. On the ... updates and execute the bash? 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 - How to select two products where it is in same OrderDetails

How do I select an order with two products in the OrderDetails? For example, if I have 4 orders: order id: 11000 ... do I do this in SQL Server? 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 - Changing the Values in an Unordered List <ul> using ng-repeat; also set an active <li>

I have been trying to work out how to produce a list, where if you click on one of the objects in the list, ... , just the value is not working. 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++ - adding echo effect to a .wav file

I have written the following code in c++ (sample code) to modify the data present in the original .wav file ... first time I am editing sound) 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 -read from a text file and Add item( string , arrayList) to hashmap

This is the text file : output1.txt zzz ***Wed Jan 15 10:00:03 +08 2020 a : 20 b : 30 c : 40 zzz ***Wed Jan 15 ... , b : 30, c : 40, a : 22, b See Question&Answers more detail:os...

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

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diff - Perl while loops and reading lines

Each record has 4 lines: Like the following: @NCYC361-11a03.q1k?bases?1?to?1576 GCGTGCCCGAAAAAATGCTTTTGGAGCCGCGCGTGAAAT + ... record in file 2 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++ - Exception thrown: write access violation. this was nullptr

So I am trying to make a buffer class. This buffer class contains a huge buffer of size 384*4. The plan was ... (); buffer_->getPointer(); } See Question&Answers more detail:os...

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

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Non-Object Errors using PHP PDO with MySQL

I've been scratching my head over this for a few days now and I've still got nowhere. I'm trying to pull a ... getTrace()); //return false; } } See Question&Answers more detail:os...

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

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visual studio - What is the Microsoft name for WinDDK version 6001.18001?

I am trying to compile an old piece of code from 2009. In the compiler instructions the developer used Visual Studio ... 7.1 is 7600.16385.1 See Question&Answers more detail:os...

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

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html - Sending id via javascript listener

For all my other options this works great (i just editing the replace part to be the correct id).. (Note: all ... a function so i'm stumpted. See Question&Answers more detail:os...

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

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scala - Does Spark data set method serialize the computation itself?

I have a data set with multiple columns. A function needs to be invoked to compute result using the data ... look at would be 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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VBA: auto group multile pictures kept in each excel cell

I have multiple images in each cell in column B. There are 1000 rows. I need a VBA to "auto ... Selection.Group ActiveWorkbook.Save End Sub 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 - jquery change select to checkbox

in my form, I would like to change, with one click on a link, a select to a list of checkbox with the same ... why I ask for your help. 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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Having max 3 checkboxes checked using javascript or jquery

So I have this pizza-ordering application for my final project, but I need to have the max amounts of toppings ... , and thank you 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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Python Matplotlib Box plot

This is my dataframe: {'Parameter': {0: 'A', 1: 'A', 2: 'A', 3: 'A', 4: 'A', 5: ... to plot boxplot using matplotlib by parameter? Thank you 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 - My android studio project works finely on lollipop but crashes while testing on kitkat devices

My android studio project works finely on lollipop but crashes while testing on kitkat devices. it has a material view ... si la page est différente if (oldItemPosition != p...

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

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c# - Data binding no error but the binding is not outputting

Updated for Matt Lacey:: C# code using System; using System.Collections.Generic; using System.Linq; using ... > </phone:PhoneApplicationPage> See Question&Answers more detail:os...

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

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