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Python - When to use file vs open
...ction that will return a file object.
In python 3.0 file is going to move from being a built-in to being implemented by multiple classes in the io library (somewhat similar to Java with buffered readers, etc.)
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Scrollview vertical and horizontal in android
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but how to get the scroll thumb size and scroll position from bottom vertical and from right in horizontal mode
– Ravi
May 6 '13 at 4:42
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Difference between >>> and >>
...sent a signed number; it simply moves everything to the right and fills in from the left with 0s. Shifting our -2 right one bit using logical shift would give 01111111.
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Reading a huge .csv file
I'm currently trying to read data from .csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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Why does PHP 5.2+ disallow abstract static class methods?
...ling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings:
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I want my android application to be only run in portrait mode?
... @Twinone: How about when different activities want to inherit from different subclasses of Activity, like one activity extends from ListActivity while others extend simply from Activity?
– RestInPeace
Jun 15 '14 at 21:50
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How to remove files that are listed in the .gitignore but still on the repository?
...nored, i added them to the .gitignore but, of course, they are not removed from my repository.
6 Answers
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Why is arr = [] faster than arr = new Array?
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Further expanding on previous answers...
From a general compilers perspective and disregarding VM-specific optimizations:
First, we go through the lexical analysis phase where we tokenize the code.
By way of example, the following tokens may be produced:
[]: ARRA...
range over interface{} which stores a slice
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what if I want to get value of interface field from slice of interface without any struct. I have tried this solution but it is limited to get interface reference only from slice not the actual values of fields.
– Amandeep kaur
Sep 2...
Is it possible to assign numeric value to an enum in Java?
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will this still work with gson and converting from json.
– Zapnologica
Aug 13 '15 at 10:13
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