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Python: Why is functools.partial necessary?

...ly not all, because Guido and I assuredly are among those "familiar with" (etc) yet think of lambda as an eyesore anomaly in Python... He was repentant of ever having accepted it into Python whereas planned to remove it from Python 3, as one of "Python's glitches". I fully supported him in that. (I...
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Explaining Python's '__enter__' and '__exit__'

... In addition to the above answers to exemplify invocation order, a simple run example class myclass: def __init__(self): print("__init__") def __enter__(self): print("__enter__") def __exit__(self, type, value, traceback): print("__exit__") ...
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What is the difference between the HashMap and Map objects in Java?

...eed to return HashMap. The method should return map key's in insertion order - Need to change return type HashMap to LinkedHashMap. The method should return map key's in sorted order - Need to change return type LinkedHashMap to TreeMap. If your method returns specific classes instea...
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What's the difference between ViewData and ViewBag?

... do the job quicker than Controller, View, Model, AutoMapper to ViewModel, etc. – Craig Brett Sep 12 '14 at 10:15 11 ...
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Read and overwrite a file in Python

...iting changes to the file you are processing without using temporary files etc. The module nicely encapsulates the common operation of looping over the lines in a list of files, via an object which transparently keeps track of the file name, line number etc if you should want to inspect them inside...
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How to trigger Autofill in Google Chrome?

... I would like to know if I can add some kind of markup to the html code in order to tell the browser "this is the input for the address" or "this is the ZIP code field" to correctly fill it in (assumed the user activated this feature). ...
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Why would anybody use C over C++? [closed]

...ot just about the compiler, but all the support tools, coverage, analysis, etc) Your target developers are C gurus You're writing drivers, kernels, or other low level code You know the C++ compiler isn't good at optimizing the kind of code you need to write Your app not only doesn't lend itself to b...
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What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?

...ix has been removed, so smallest columns are simply col-1, col-2.. col-12, etc.. col-* - 0 (xs) col-sm-* - 576px col-md-* - 768px col-lg-* - 992px col-xl-* - 1200px Bootstrap 4 Grid Demo Additionally, Bootstrap 4 includes new auto-layout columns. These also have responsive breakpoints (col, col-sm, ...
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In Django, how does one filter a QuerySet with dynamic field lookups?

... query criteria (such as just people who completed a certain workshop). In order for the survey element to be re-usable, I needed for the person creating the survey question to be able to attach those criteria to that question (don't want to hard-code the query into the app). The solution I came u...
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How do I use the lines of a file as arguments of a command?

...ne argument in quotes so that it can contain whitespace, escape sequences, etc., reading from the file will not do the same thing. For example, if your file contains: a "b c" d the arguments you will get are: a "b c" d If you want to pull each line as an argument, use the while/read/do constru...