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Initializing a list to a known number of elements in Python [duplicate]

... Check your assumptions. E.g. I'm currently analyzing a network error rate by parsing a logfile and putting errors in an array of bins, currently 4 bins / hour and 24 hours / day. Hours in a day doesn't change, and if I change bins/hour I'll stop and restart the program, so I always want...
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Programmatically open Maps app in iOS 6

...ly Circus, London, UK" completionHandler:^(NSArray *placemarks, NSError *error) { // Convert the CLPlacemark to an MKPlacemark // Note: There's no error checking for a failed geocode CLPlacemark *geocodedPlacemark = [placemarks objectAtIndex:0]; MKPlacemark ...
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How to revert (Roll Back) a checkin in TFS 2010

...st on the files you are attempting to rollback; otherwise you will see the error: "No changes to roll back." share | improve this answer | follow | ...
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How to fix “Attempted relative import in non-package” even with __init__.py

...es with py files that have __init__.py files yet you keep getting the ValueError: Attempted relative import in non-package error. I would pay really good money for someone, somewhere, to finally explain in plain English how all of this works. – AdjunctProfessorFalcon ...
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Installing Python packages from local file system folder to virtualenv with pip

...uzzy-0.1.0 pyfuzzy But it does not work either and returns the following error: Ignoring indexes: https://pypi.python.org/simple Collecting pyfuzzy Could not find a version that satisfies the requirement pyfuzzy (from versions: ) No matching distribution found for pyfuzzy At last , I...
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In Python, how do I determine if an object is iterable?

...rts it being iterable but actually trying to iterate it causes an AttributeError (tested with Faker 4.0.2): >>> from faker import Faker >>> fake = Faker() >>> iter(fake) # No exception, must be iterable <iterator object at 0x7f1c71db58d0> >>> list(fake) ...
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How to upgrade Git on Windows to the latest version?

...te does it.) That command does not exist in Git 2.13 and before. If this errors with "is not a git command" then either you don't actually have Git for Windows, or your version is very old. In which case, simply get the latest installer from https://git-scm.com/download (check whether you want 32...
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What is a typedef enum in Objective-C?

...mple: enum tagname x; // declare x of type 'enum tagname' tagname x; // ERROR in C/Objective-C, OK in C++ In order to avoid having to use the enum keyword everywhere, a typedef can be created: enum tagname { ... }; typedef enum tagname tagname; // declare 'tagname' as a typedef for 'enum tagn...
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Copy the entire contents of a directory in C#

...to assemble the parameters for xcopy as string, which introduces plenty of error potential. Also the sample does not mention any error handling for the results of the started process, which i would expect, because contrary to other methods this would fail silently. – cel sharp ...
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Dynamic validation and name in a form with AngularJS

...ame="foo" ng-model="item.foo" /> <span ng-show="innerForm.foo.$error.required">required</span> </ng-form> </div> <input type="submit" ng-disabled="outerForm.$invalid" /> </form> Sadly, it's just not a well-documented feature of Angular. ...