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How to re-create database for Entity Framework?

...ed, if so, right click and delete. 2 )Go to Solution Explorer, click show All Files icon. 3) Go to App_Data, right click and delete all ".mdf" files for this project. 4) Delete Migrations folder by right click and delete. 5) Go to SQL Server Management Studio, make sure the DB for this project i...
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Should I compile with /MD or /MT?

... By dynamically linking with /MD, you are exposed to system updates (for good or ill), your executable can be smaller (since it doesn't have the library embedded in it), and I believe that at very least the code segment of a DLL is...
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How to provide different Android app icons for different gradle buildTypes?

... Figured it out. What you need to do is create a separate src folder called debug that holds the different icons. For example, if your project layout is as follows, and your launcher icon is called ic_launcher.png: [Project Root] -[Module] -src -main -res -drawabl...
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install / uninstall APKs programmatically (PackageManager vs Intents)

My application installs other applications, and it needs to keep track of what applications it has installed. Of course, this could be achieved by simply keeping a list of installed applications. But this should not be necessary! It should be the responsibility of the PackageManager to maintain the ...
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Path of assets in CSS files in Symfony 2

...ge in /web/bundles/mynicebundle/images/devil.png I have made a test with ALL possible (sane) combinations of the following: @notation, relative notation Parse with cssrewrite, without it CSS image background vs direct <img> tag src= to the very same image than CSS CSS parsed with assetic a...
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App Inventor 2 手机AI伴侣进行测试时,为啥进度条卡在10%就一直不动? - A...

... 原因很简单:手机和电脑没有在同一局域网内导致的,App Inventor 2 测试原理是电脑端在局域网内启动一个WEB服务器,AI伴侣扫码后手机和WEB服务器进行通信,完成App的测试。因此如果不在一个局域网内,两者就法进行通信。...
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Can't find the 'libpq-fe.h header when trying to install pg gem

...on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error: ...
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What is the difference between “px”, “dip”, “dp” and “sp”?

...lems with dp while everything works fine with dip – DallaRosa Jul 4 '11 at 6:07 255 One note abou...
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What's the difference between using CGFloat and float?

I tend to use CGFloat all over the place, but I wonder if I get a senseless "performance hit" with this. CGFloat seems to be something "heavier" than float, right? At which points should I use CGFloat, and what makes really the difference? ...
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Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do

... To solve this, I ensured all my projects used the same version by running the following command and checking the results: update-package Newtonsoft.Json -reinstall And, lastly I removed the following from my web.config: <dependentAssembly&gt...