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MySQL: @variable vs. variable. What's the difference?

... Sure, in a "flat" script with no function calls, procedures, triggers, etc. and if you're just going to execute that simple script, or a limited set of commands and then end the session (thereby destroying your globals). It that case, go ahead and use them if you want. But DO NOT use them insi...
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Usage of __slots__?

What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not? 11 A...
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Should I use a class or dictionary?

...ould your __init__ code go? Classes are for bundling related data (and usually code). Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...
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How do I copy a version of a single file from one git branch to another?

...of code). I'd like to use vim with this though... for syntax highlighting, etc. – isaaclw Oct 14 '14 at 17:32 3 ...
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How to enumerate an object's properties in Python?

...oes not return dynamic members (i.e., object attributes and methods dynamically defined by that object's __getattr__() method or similar magic). In all likelihood, your desired file.ImplementationName property is defined dynamically and hence not available to vars() or dir(). –...
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List all indexes on ElasticSearch server?

I would like to list all indexes present on an ElasticSearch server. I tried this: 22 Answers ...
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Express res.sendfile throwing forbidden error

...ch would give them the ability to pretend to be your PC (man-in-the-middle etc)). Having the .. restriction disallows this possibility as only files from the website can be accessed. – derekdreery Nov 23 '15 at 14:51 ...
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How to list all functions in a Python module?

I have a python module installed on my system and I'd like to be able to see what functions/classes/methods are available in it. ...
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Using regular expression in css?

...This was in a recommendation for CSS 2.1; it is supported by IE 7, Opera 9 etc.. Source: developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors – Mike S Jun 10 '14 at 20:38 2...
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Is there a simple, elegant way to define singletons? [duplicate]

... I don't really see the need, as a module with functions (and not a class) would serve well as a singleton. All its variables would be bound to the module, which could not be instantiated repeatedly anyway. If you do wish to use a cla...