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Why Choose Struct Over Class?

...ying is way safer than having multiple references to the same instance as happens with classes. This is especially important when passing around a variable to many classes and/or in a multithreaded environment. If you can always send a copy of your variable to other places, you never have to worry a...
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How can I automatically deploy my app after a git push ( GitHub and node.js)?

I have my application (node.js) deployed on a VPS (linux). I'm using git hub as a repository. How can I deploy the application automatically, on git push ? ...
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Alarm Manager Example

...eceiver> ... Code in your class: package yourPackage; import android.app.AlarmManager; import android.app.PendingIntent; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.os.PowerManager; import android.widget.Toast; public...
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How do you validate a URL with a regular expression in Python?

I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days. ...
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Custom fonts in iOS 7

I'm developing a game and I would like to use a custom font in my app. I'm using SpriteKit for it, if that's important. I've tried using this https://github.com/deni2s/IBCustomFonts but I cannot get it to work with this font http://www.fontspace.com/freaky-fonts/emulogic ...
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How to make a JSONP request from Javascript without JQuery?

....com/path/to/jsonp?callback=foo' document.getElementsByTagName('head')[0].appendChild(script); // or document.head.appendChild(script) in modern browsers share | improve this answer | ...
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What is the difference between the OAuth Authorization Code and Implicit workflows? When to use each

...resources surfaced through an API and the client using the API (e.g. a web app). Both are validated for access to be granted. Notice the "authorization" nature of OAuth here: user grants access to his resource (through the code returned after authentication) to an app, the app get's an access_token,...
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How to disable / enable dialog negative positive buttons?

...ng any text that the user has already typed in. If you don't want that to happen you need to dismiss the fragment in your activity's onStop. The newInstance method signature can be changed to whatever you need. import android.app.Activity; import android.app.Dialog; import android.app.DialogFragmen...
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Can't find the 'libpq-fe.h header when trying to install pg gem

...xecute sudo apt-get install libpq-dev then bundle install and the error disappeared. Thanks – Felo Vilches Oct 20 '19 at 17:00  |  show 19 mor...
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How do I avoid capturing self in blocks when implementing an API?

I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...