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Differences between strong and weak in Objective-C

...n most cases) means that you want to "own" the object you are referencing with this property/variable. The compiler will take care that any object that you assign to this property will not be destroyed as long as you point to it with a strong reference. Only once you set the property to nil will the...
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One class per file rule in .NET? [closed]

I follow this rule but some of my colleagues disagree with it and argue that if a class is smaller it can be left in the same file with other class(es). ...
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How to debug PDO database queries?

...t database syntax error, I could just echo the final SQL query string, try it myself on the database, and tweak it until I fixed the error, then put that back into the code. ...
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Android ADB device offline, can't issue commands

...us 7 and Galaxy Nexus were updated to Android 4.2.2. The thing that fixed it for me was to upgrade the SDK platform-tools to r16.0.1. For me, this version was not displayed in my SDK Manager, so I pulled it down from http://dl.google.com/android/repository/platform-tools_r16.0.1-windows.zip directl...
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How to record webcam and audio using webRTC and a server-based Peer connection

I would like to record the users webcam and audio and save it to a file on the server. These files would then be able to be served up to other users. ...
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Is there a way to “autosign” commits in Git with a GPG key?

Is there an easy way to make Git always signs each commit or tag that is created? 5 Answers ...
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How many bytes does one Unicode character take?

I am a bit confused about encodings. As far as I know old ASCII characters took one byte per character. How many bytes does a Unicode character require? ...
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Is it not possible to stringify an Error using JSON.stringify?

... }, this); return alt; }, configurable: true, writable: true }); var error = new Error('testing'); error.detail = 'foo bar'; console.log(JSON.stringify(error)); // {"message":"testing","detail":"foo bar"} Using Object.defineProperty() adds toJSON without it being an...
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Could not execute editor

I don't often have to modify multiple commit messages, but it has happened once or twice and I don't ever remember seeing this. I hope someone else has. When I git rebase -i HEAD~7 , the expected list opens in vi exactly as expected. I change the pick values to edit where appropriate and then ...
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Best practices/performance: mixing StringBuilder.append with String.concat

... to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this ...