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wpf - TabControl with Add New Tab Button (+)

What is the proper way of adding a '+' button tab at the end of all the tab items in the tab strip ... them satisfy all the above five points. See Question&Answers more detail:os...

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javascript - What's the difference between putting script in head and body?

I was getting a problem . <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" / ... ? what is the main difference? See Question&Answers more detail:os...

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c - Why does this memory address %fs:0x28 ( fs[0x28] ) have a random value?

I've written a piece of C code and I've disassembled it as well as read the registers to understand how the ... %fs:0x28,%rax is really doing? See Question&Answers more detail:os...

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c# - How to get docker toolbox to work with .net core 2.0 project

I'm getting an error trying to use the Docker functionality with my .NET core 2.0 project. I've been ... the results of those commands quetz See Question&Answers more detail:os...

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r - data.table row-wise sum, mean, min, max like dplyr?

There are other posts about row-wise operators on datatable. They are either too simple or solves a specific scenario My ... NaN Inf -Inf 0 4 See Question&Answers more detail:os...

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java - Android firewall with VpnService

I'm trying to implement a simple firewall for android with VpnService for BS project. I choose VpnService because it will be ... IP:"+sourceIP); status += " Source IP:"+sourceIP...

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python - Using MySQL in Flask

Can someone share example codes in Flask on how to access a MySQL DB? There have been documents showing how ... Thank you very much in advance See Question&Answers more detail:os...

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android - HttpUrlConnection.openConnection fails second time

I know this issue should be fixed with System.setProperty("http.keepAlive", "false"); before openConnection, but that ... s wrong here?. Thanks! See Question&Answers more detail:os...

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c# - Upload CSV file to SQL server

What is the best way to upload a large csv data file into SQL server using C# ? The file contains about 30,000 rows and 25 columns. See Question&Answers more detail:os...

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geometry - Efficiently find points inside a circle sector

I have a set of 2d points distributed randomly. I need to perform a time intensive operation on a small subset of ... that requires a lot of it. See Question&Answers more detail:os...

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performance - Cycles/cost for L1 Cache hit vs. Register on x86?

I remember assuming that an L1 cache hit is 1 cycle (i.e. identical to register access time) in my ... does it compare to register access? See Question&Answers more detail:os...

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objective c - Can you do custom animations for UITableView Cell Inserts?

I've got a UITableView that is being populated by an NSFetchedResultsController. On the initial load of the table ... Thanks for any help! Joel See Question&Answers more detail:os...

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How to get the max of two values in MySQL?

I tried but failed: mysql> select max(1,0); ERROR 1064 (42000): You have an error in your SQL syntax; check the ... to use near '0)' at line 1 See Question&Answers more detail:os...

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$http Auth Headers in AngularJS

I have an angular application that is hitting a node API. Our backend developer has implemented basic auth on the ... works. How to solve this? See Question&Answers more detail:os...

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c# - How do I create an expression tree calling IEnumerable<TSource>.Any(...)?

I am trying to create an expression tree that represents the following: myObject.childObjectCollection.Any(i => ... Anyone have any suggestions? See Question&Answers more detail:os...

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javascript - Submit form using AJAX in Asp.Net mvc 4

I'm trying to learn asp.net and so far I can load other page contents without refreshing using Ajax.Actionlink and ... ("~/bundles/jqueryval") } See Question&Answers more detail:os...

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c++ - Some clarification needed about synchronous versus asynchronous asio operations

As far as I know, the main difference between synchronous and asynchronous operations (i.e. write() or read( ... idea use asynchronous in this. See Question&Answers more detail:os...

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css - How to select first and last TD in a row?

How can you select the first and the last TD in a row? tr > td[0], tr > td[-1] { /* styles */ } See Question&Answers more detail:os...

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sql - Postgresql tables exists, but getting "relation does not exist" when querying

I have a postgresql db with a number of tables. If I query: SELECT column_name FROM information_schema.columns WHERE ... to query the table. See Question&Answers more detail:os...

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c - How to set up a cron job to run an executable every hour?

I need to set up a cron job that runs an executable compiled using gcc once every hour. I logged in as root ... a way I can solve this problem? 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# - Using Include in Entity Framework 4 with lambda expressions

I've seen many articles about how to overcome this matter, all related to CTP4, Or adding my own extension ... Customers.Include(c=>c.Phone) See Question&Answers more detail:os...

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git - Deleting remote master branch, refused due to being the current branch

How do I delete a remote master branch from GitHub/Bitbucket? I'm trying: # git push bb --delete master remote: ... But all this does not work. See Question&Answers more detail:os...

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installation - How to build a minimal WiX installer UI without a license page?

I would like to use the WixUI_Minimal installer, but I don't want the license page. How can I do this? See Question&Answers more detail:os...

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Django Migrations Add Field with Default as Function of Model

I added a new, non-nullable field to my Django model and am trying to use migrations to deploy that change ... True), preserve_default=False, ), See Question&Answers more detail:os...

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html - Make TBODY scrollable in Webkit browsers

I'm aware of this question, but none of the answers work in Safari, Chrome, etc. The accepted strategy (as ... wait for Webkit to fix it? See Question&Answers more detail:os...

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SQL SELECT from multiple tables

How can I get all products from customers1 and customers2 include their customer names? customer1 table cid name1 1 ... 4 p2 paper NULL linda See Question&Answers more detail:os...

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vim - How to get path to the current vimscript being executed

In my vim plugin, I have two files: myplugin/plugin.vim myplugin/plugin_helpers.py I would like to import plugin_helpers ... "%:p" and friends). See Question&Answers more detail:os...

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javascript - How to listen for child window closing?

I am opening a child window for Facebook sharing this way: window.open(sharingUrl,'','toolbar=0,status=0,width= ... a listener to these events? See Question&Answers more detail:os...

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

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