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How to make an immutable object in Python?

Although I have never needed this, it just struck me that making an immutable object in Python could be slightly tricky. You can't just override __setattr__ , because then you can't even set attributes in the __init__ . Subclassing a tuple is a trick that works: ...
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JavaScript file upload size validation

Is there any way to check file size before uploading it using JavaScript? 13 Answers ...
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Making macOS Installer Packages which are Developer ID ready

... the OS X Installer. Although a component package can be installed on its own, it is typically incorporated into a product archive. Our tools: pkgbuild, productbuild, and pkgutil After a successful "Build and Archive" open $BUILT_PRODUCTS_DIR in the Terminal. $ cd ~/Library/Developer/Xcode/D...
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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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Skip List vs. Binary Search Tree

I recently came across the data structure known as a skip list . It seems to have very similar behavior to a binary search tree. ...
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Can I access a form in the controller?

... Though alluded to in other comments I thought I'd spell it out a bit for those using the "Controller As" syntax: <div ng-controller="MyController as ctrl"> <form name="ctrl.myForm"> ...inputs Dirty? {{ctrl.myForm.$dirty}} <button ng-click="ctrl.saveCh...
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Something better than .NET Reflector? [closed]

....NET Reflector back in the day, but ever since Red Gate Software took over it has gone downhill dramatically. Now it forces me to update (which is absolutely ridiculous), half the time the update doesn't go smoothly, and it is increasingly hindering my productivity with each update. I am sick of it,...
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iPhone viewWillAppear not firing

I've read numerous posts about people having problems with viewWillAppear when you do not create your view hierarchy just right. My problem is I can't figure out what that means. ...
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Play a Sound with Python [duplicate]

...t and requiring the least dependencies. pygame is certainly an option, but it seems overkill for just sound. 10 Answers ...
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Escaping single quote in PHP when inserting into MySQL [duplicate]

... You should be escaping each of these strings (in both snippets) with mysql_real_escape_string(). http://us3.php.net/mysql-real-escape-string The reason your two queries are behaving differently is likely because you have magic_quotes_gpc turned on (which you should know is a bad idea). ...