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How to migrate back from initial migration in Django 1.7?

I created a new app with some models and now I noticed that some of the models are poorly thought out. As I haven't committed the code the sensible thing would be to migrate the database to last good state and redo the migration with better models. In this case the last good state is database where ...
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How to disable/enable the sleep mode programmatically in iOS?

I have an app that must stay awake until the end of a countdown but it will go into 'sleep mode' whenever it reaches the allocated time to sleep. ...
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Get User's Current Location / Coordinates

...o add NSLocationAlwaysUsageDescription and your custom alert message like; AppName(Demo App) would like to use your current location. share | improve this answer | follow ...
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Python - Get path of root project structure

... This method presumes you run the application from within the path that it exists. Many "users" have an icon they click from a desktop or can run the app from another directory entirely. – DevPlayer Oct 22 '19 at 20:12 ...
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How to create a new database after initally installing oracle database 11g Express Edition?

...vigation frame of the window, click Connections. The Connections pane appears. In the Connections pane, click the icon New Connection. The New/Select Database Connection window opens. In the New/Select Database Connection window, type the appropriate values in the fields Connec...
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How to make a SPA SEO crawlable?

... is about. All the a tags in the client side are created dynamically in my application, we'll later see how to make these links visible to google's bot in the server. Each such a tag needs to be able to have a pretty URL in the href tag so that google's bot will crawl it. You don't want the href p...
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If I revoke an existing distribution certificate, will it mess up anything with existing apps?

I built an iOS app for an organization that has an app already on the store. After weeks of trying to get the guy who has the key to sign the app, they finally came back and said, "Just get it done!". So I am wondering how to proceed. If I go into the provisioning portal, and revoke the dist certifi...
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What does “./bin/www” do in Express 4.x?

I just started to learn about Express 4.0 in my Node.js app, and I found that it generated ./bin/www file, on which only the application server and port settings are written and everything others like middleware and routing is defined in ./app.js file. ...
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Error in exception handler. - Laravel

...s) and keep the permissions as of the directory as 775. chgrp -R www-data app/storage Or with chown. chown -R :www-data app/storage Then make sure directory permissions are 775. chmod -R 775 app/storage From the Laravel web site: Laravel may require one set of permissions to be conf...
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Sending Email in Android using JavaMail API without using the default/built-in app

I am trying to create a mail sending application in Android. 25 Answers 25 ...