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c# - Bulk copy a DataTable into MySQL (similar to System.Data.SqlClient.SqlBulkCopy)

I am migrating my program from Microsoft SQL Server to MySQL. Everything works well except one issue with bulk ... would be highly appreciated. See Question&Answers more detail:os...

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c++ - error: cannot convert 'const wchar_t [13]' to 'LPCSTR {aka const char*}' in assignment

// include the basic windows header file #include <windows.h> #include <windowsx.h> // the WindowProc function prototype ... , 1 warnings ===| See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Web API - 405 - The requested resource does not support http method 'PUT'

I have a Web API project and I am unable to enable "PUT/Patch" requests against it. The response I get ... help would be appreciated. Thanks Lee See Question&Answers more detail:os...

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python 3.x - MatPlotLib Dollar Sign with Thousands Comma Tick Labels

Given the following bar chart: import numpy as np import matplotlib.pyplot as plt import pandas as pd df = pd. ... get both? Thanks in advance! See Question&Answers more detail:os...

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download - Downloading png from Shiny (R)

I am pretty new to Shiny (and R) and struggling with exporting the plot I make in Shiny to a png-file. I looked ... ()) dev.off() }) }) See Question&Answers more detail:os...

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asp.net mvc - The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value

I have an ASP.NET MVC application where I am editing an existing database to update a paticular field, ... help is appreciated. Thanks. See Question&Answers more detail:os...

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jQuery: Making simultaneous ajax requests, is it possible?

I am using jQuery to try and retrieve multiple pieces of data at the same time. The background of the requirement is ... url: "foo3.php" }); See Question&Answers more detail:os...

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ruby - Sort order in `Dir.entries`

Is there a fixed/default sort order in which Dir.entries returns results? I know by experience that the first two entries are "." and "..". See Question&Answers more detail:os...

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How can I access Native api in NativeScript when I use Typescript

When I create two new apps with tns, one is the regular js version and one is with typescript. I ... onNavigatingTo; exports.loaded = loaded; See Question&Answers more detail:os...

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python - Multiprocessing Share Unserializable Objects Between Processes

There are three questions as possible duplicates (but too specific): How to properly set up multiprocessing proxy ... in the manager process. See Question&Answers more detail:os...

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pointers - C++: Why is const_cast evil?

I keep hearing this statement, while I can't really find the reason why const_cast is evil. In the following example ... you for any efforts :) See Question&Answers more detail:os...

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c# - BindingList<T>.Sort() to behave like a List<T>.Sort()

I am attempting to write a SortableBindingList that I can use for my application. I have found lots of discussion ... ; ResetBindings(); } } See Question&Answers more detail:os...

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database - Strange behavior in PowerShell function returning DataSet/DataTable

This is driving me crazy. I have a library I source from multiple scripts, which contains the following function: ... can't figure out what. See Question&Answers more detail:os...

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html - CSS Grid Row Height Safari Bug

I've made a grid template with rows of 1fr 1fr 1fr. In the middle row, there are a list of inline images. ... > <footer>Footer</footer> </div> See Question&Answers more detail:os...

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java - Checking file existence on FTP server

Is there an efficient way to check the existence of a file on a FTP server? I'm using Apache Commons Net. I ... server contains a lot of files. See Question&Answers more detail:os...

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php - regular expression and forward slash

i'm searching for keywords in a string via a regular expression. It works fine for all keywords, exept one ... of knowledge would be useful. See Question&Answers more detail:os...

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Cocoa: change cursor when it's over an NSButton

How can I change the cursor when it's over an NSButton? See Question&Answers more detail:os...

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swift - How can I convert an array to a tuple?

I just want to convert an array into a tuple in Swift; something like the following: >>> myArray = [1,2,3,4,5] ... , so I am very, very new). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Diagnosing 404 errors on IIS 7 and ASP.NET MVC

I have an mvc app developed and tested with Cassini. Deployed to my site on GoDaddy, and the default page ... how I can troubleshoot this? See Question&Answers more detail:os...

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python - Replace a string located between

Here is my problem: in a variable that is text and contains commas, I try to delete only the commas ... ) replace string between two quotes See Question&Answers more detail:os...

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firebase - Nested arrays are not supported

The new Firebase database Firestore says Function DocumentReference.set() called with invalid data. Nested arrays are not ... I save it instead? See Question&Answers more detail:os...

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tomcat7 - How is Tomcat handled by IntelliJ IDEA 10.5

I am a newbie to IntelliJ IDEA. I was trying to deploy a web app in Tomcat. It failed to deploy and i was not ... edition on Mac OS 10.6.8. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Apache mod_wsgi error: Forbidden You don't have permission to access / on this server

I'm using Ubuntu 10.04. I create a django project under /home/wong2/Code/python/django2/ named atest and create ... this server. Thanks a lot. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Array initialization with default constructor

public class Sample { static int count = 0; public int abc; public Sample() { abc = ++Sample.count; } ... what does the above statement do? See Question&Answers more detail:os...

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javascript - responseXML always null

Im using firefox 3.6.10, and firebug to debug So, here is my code: var xmlhttp = new XMLHttpRequest(); ... error on both. Gotta hate javascript. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Entity Framework - how do I get the columns?

I wish to get a list of columns names, types and whether the column is a PK of a table object ... efficiently and most importantly generically. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Laravel 5 get view name

I'm struggling to get the view name in L5. Just as in WP, I'd like to add a specific page name ... ::getName(). Thanks in advance! See Question&Answers more detail:os...

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javascript - Get drop down value

How to determine what is selected in the drop down? In Javascript. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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