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How to access object attribute given string corresponding to name of that attribute

... and hasattr for testing whether or not an object has a specific attr though in that case using the three argument form getattr(object, attrname, default) is often better. – Duncan Apr 10 '10 at 11:20 ...
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How do you get a string to a character array in JavaScript?

... Use /(?=[\s\S])/u instead of /(?=.)/u because . does not match newlines. If you are still in ES5.1 era (or if your browser doesn't handle this regex correctly - like Edge), you can use the following alternative (transpiled by Babel). Note, that Babel tries to also handle unmatched surrogates corre...
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MySQL “between” clause not inclusive?

If I run a query with a between clause, it seems to exclude the ending value. For example: 10 Answers ...
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Task vs Thread differences [duplicate]

... Thread is a lower-level concept: if you're directly starting a thread, you know it will be a separate thread, rather than executing on the thread pool etc. Task is more than just an abstraction of "where to run some code" though - it's really just "the prom...
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How to remove array element in mongodb?

...from an existing array all instances of a value or values that match a specified condition. Collection.update({ _id: parentDocumentId }, { $pull: { subDocument: { _id: SubDocumentId } } }); This will find your parent document against given ID and then will remo...
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Naming convention for unique constraint

...it's a constraint. It could be used as a key of course, and uniquely identifies a row, but it isn't the key. An example would be that the key is "ThingID", a surrogate key used in place of ThingName the natural key. You still need to constrain ThingName: it won't be used as a key though. I'd als...
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How to state in requirements.txt a direct github source

...: package-one==1.9.4 package-two==3.7.1 package-three==1.0.1 ... To specify a Github repo, you do not need the package-name== convention. The examples below update package-two using a GitHub repo. The text between @ and # denotes the specifics of the package. Specify commit hash (41b95ec in th...
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how to get program files x86 env variable?

... StackExchange.ifUsing("editor", function () { StackExchange.using("externalEditor", function () { StackExchange.using("snippets", function () { StackExchange.snippets.init(); ...
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Java array reflection: isArray vs. instanceof

Is there a preference or behavior difference between using: 8 Answers 8 ...
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How do I create a new Swift project without using Storyboards?

...ect in XCode 6 doesn't allow to disable Storyboards. You can only select Swift or Objective-C and to use or not Core Data. ...