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curl json post request via terminal to a rails app

I'm trying to create a user on my rails app with a curl command from os x terminal. No matter how I format the data, the app returns a responses that non of my validations have passed. ...
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【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

... AF_INET)) { release_sock(sk); return -EINVAL; } goto do_append_data; //有数据pending,就往后添加 } release_sock(sk); } ulen += sizeof(struct udphdr); //否则开始一个新的udp包 /* * Get and verify the address. */ if (msg->msg_name) { DECLARE_S...
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What is the difference between the kernel space and the user space?

... So per se, To run a user space process, it must be mapped to kernel space? – roottraveller Sep 9 '17 at 12:58 ...
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How to programmatically clear application data

I am developing automated tests for an android application (using Robotium). In order to ensure the consistency and reliability of tests, I would like to start each test with clean state (of the application under test). In order to do so, I need to clear the app data. This can be done manually in Se...
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FAQ Section: SMS - Frequently Asked Questions - MIT App Inventor Community

... background-color: #ffffff; } #d-splash .preloader-text-wrapper { color: #222222; } } /* then deal with dark scheme */ @media (prefers-color-scheme: dark) { html { background-color: #ffffff; } #d-splash .preloader-text-wrapper { ...
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Delete keychain items when an app is uninstalled

...antage of the fact that NSUserDefaults are cleared by uninstallation of an app. For example: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { //Clear keychain on first run in case of reinstallation if (![[NSUserDefaults standardU...
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ERROR ITMS-9000: “Redundant Binary Upload. There already exists a binary upload with build version '

...nect via Xcode 5.1.1 but it is continuously showing that it is loading and app is not getting uploaded. So I have tried uploading with Application Loader but its showing the below error: ...
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'heroku' does not appear to be a git repository

When I try to push my app to Heroku I get this response: 20 Answers 20 ...
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Does my application “contain encryption”?

...stackoverflow.com/a/40919650/4976373 Unfortunately, I believe that your app "contains encryption" in terms of US BIS even if you just use HTTPS (if your app is not an exception included in question 2). Quote from FAQ on iTunes Connect: "How do I know if I can follow the Exporter Registration an...
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If string is empty then return some default value

... with a model. If you wanted a reasonable default value everywhere in your app, you could (for example) override the address method for your User model. I don't know ActiveRecord well enough to provide good code for this; in Sequel it would be something like: class User < Sequel::Model def ad...