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How do I correctly clean up a Python object?
__del__(self) above fails with an AttributeError exception. I understand Python doesn't guarantee the existence of "global variables" (member data in this context?) when __del__() is invoked. If that is the case and this is the reason for the exception, how do I make sure the object destructs...
What is the difference between a directory and a folder?
...From a programmer point of view, is there a difference, and if so, what is it? Does it depend on the OS, or is there a broad, general consensus? This at least suggests that there is a difference.
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Forced naming of parameters in Python
In Python you may have a function definition:
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How do I format XML in Notepad++?
...have Notepad++ and I got some XML code which is very long. When I pasted it in Notepad++ there was a long line of code (difficult to read and work with).
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Determine whether JSON is a JSONObject or JSONArray
I am going to receive either a JSON Object or Array from server, but I have no idea which it will be. I need to work with the JSON, but to do so, I need to know if it is an Object or an Array.
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How to Get the Title of a HTML Page Displayed in UIWebView?
I need to extract the contents of the title tag from an HTML page displayed in a UIWebView. What is the most robust means of doing so?
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How to wait for several Futures?
Suppose I have several futures and need to wait until either any of them fails or all of them succeed.
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How can I discard remote changes and mark a file as “resolved”?
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git checkout has the --ours option to check out the version of the file that you had locally (as opposed to --theirs, which is the version that you pulled in). You can pass . to git checkout to tell it to check out everything ...
onchange event on input type=range is not triggering in firefox while dragging
When I played with <input type="range"> , Firefox triggers an onchange event only if we drop the slider to a new position where Chrome and others triggers onchange events while the slider is dragged.
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Rails :include vs. :joins
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It appears that the :include functionality was changed with Rails 2.1. Rails used to do the join in all cases, but for performance reasons it was changed to use multiple queries in some circumstances. This blog post by Fabi...