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TypeError: module.__init__() takes at most 2 arguments (3 given)

...named Object.py . When I try to inherit from this class in another file, calling the constructor throws an exception: 5 An...
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Concurrent HashSet in .NET Framework?

...ass. private ConcurrentBag<string> _data; Self-implementation Finally, as you did, you can implement your own data type, using lock or other ways that the .NET provides you to be thread-safe. Here is a great example: How to implement ConcurrentHashSet in .Net The only drawback of this sol...
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Google maps API V3 - multiple markers on exact same spot

...rieving a list of geo coords via JSON and popping them onto a google map. All is working well except in the instance when I have two or more markers on the exact same spot. The API only displays 1 marker - the top one. This is fair enough I suppose but would like to find a way to display them all...
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How can I force users to access my page over HTTPS instead of HTTP?

... The way I've done it before is basically like what you wrote, but doesn't have any hardcoded values: if($_SERVER["HTTPS"] != "on") { header("Location: https://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]); exit(); } ...
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What does “program to interfaces, not implementations” mean?

...t worried about implementation and the interface signature determines what all operations can be done. This can be used to change the behavior of a program at run-time. It also helps you to write far better programs from the maintenance point of view. Here's a basic example for you. public enum La...
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Installing python module within code

I need to install a package from PyPi straight within my script. Maybe there's some module or distutils ( distribute , pip etc.) feature which allows me to just execute something like pypi.install('requests') and requests will be installed into my virtualenv. ...
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What are “connecting characters” in Java identifiers?

... I'm not sure that actually fully answers the (implied) question of which characters may start a Java identifier. Following links we end up at Character.isJavaIdentifierStart() which states A character may start a Java identifier if and only if one...
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Resumable downloads when using PHP to send the file?

...e first thing you need to do is to send the Accept-Ranges: bytes header in all responses, to tell the client that you support partial content. Then, if request with a Range: bytes=x-y header is received (with x and y being numbers) you parse the range the client is requesting, open the file as usua...
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Android Studio says “cannot resolve symbol” but project compiles

...alidate and Restart" option to fix this. EDIT 2: This fix should work for all similar incidents and is not a twitter4j specific resolution. share | improve this answer | fol...
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Stop all active ajax requests in jQuery

I have a problem, when submitting a form all active ajax request fail, and that triggers error event. 16 Answers ...