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Error handling in Bash

...IFS=' ' # # Substring: I keep only the carriage return # (others needed only for tabbing purpose) IFS=${IFS:0:1} local lines=( $_backtrace ) IFS=$mem ...
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and

...lds by numbers, and it is never an error at the library level if there are extra fields, and missing fields are not an error if they are marked optional or explicit. Thus all protocol buffers messages have EXTENSIBILITY IMPLIED. – Kevin Cathcart Apr 10 '12 at 1...
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Python list iterator behavior and next(iterator)

...; for i in a: ... print(i) ... _ = next(a) ... 0 2 4 6 8 or print extra information to differentiate the print() output from the interactive interpreter echo: >>> a = iter(list(range(10))) >>> for i in a: ... print('Printing: {}'.format(i)) ... next(a) ... Printing...
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When should I use Lazy?

...erties for Name, PhoneNumber, and Orders. Name and PhoneNumber are regular strings but Orders is a navigation property that returns a list of every order the customer ever made. You often might want to go through all your customer's and get their name and phone number to call them. This is a very q...
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How do I create a namespace package in Python?

...ll on the PYTHONPATH the Python interpreter will find them for you with no extra effort on your part. – Tendayi Mawushe Nov 4 '09 at 19:00 5 ...
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Git - working on wrong branch - how to copy changes to existing topic branch

...e merge. Otherwise the changes in master will be included in the merge. An extra step 3.5 above. See further about rebase here: https://git-scm.com/book/en/v2/Git-Branching-Rebasing share | improve...
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How to check for the type of a template parameter?

...ioned the main logic can be done in a different function, which accepts an extra flag to indicate the type, and this specialized declaration can just set the flag accordingly and directly pass on all the other arguments without touching anything. So if 10 different classes need to be handled, it is ...
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Is SHA-1 secure for password storage?

... that cost N once and can thereafter attack many passwords with very small extra cost per password. If the pre-computed table is a rainbow table, then N can be somewhat bigger, because storage cost is reduced. The bottleneck on N becomes the CPU power that the attacker can muster, not the size of hi...
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Are Java static calls more or less expensive than non-static calls?

...java.io.*; class StaticVsInstanceBenchmark { public static void main( String[] args ) throws Exception { StaticVsInstanceBenchmark program = new StaticVsInstanceBenchmark(); program.run(); } static final int DURATION = 1000; public void run() throws Exception ...
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Why do people say that Ruby is slow? [closed]

... always an issue if it impacts usability. True, scanning an xml file for a string in one second or three doesn't matter from a pure numbers point of view, but a couple seconds difference can make a big difference in usability when you're talking about a user-facing application. ...