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What is ANSI format?

... ANSI encoding is a slightly generic term used to refer to the standard code page on a system, usually Windows. It is more properly referred to as Windows-1252 on Western/U.S. systems. (It can represent certain other Windows code pages on other systems.) This is essentially an extension of...
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Getting number of elements in an iterator in Python

...s are in an iterator in Python, in general, without iterating through each and counting? 16 Answers ...
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Should I learn C before learning C++? [closed]

I visited a university CS department open day today and in the labs tour we sat down to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of...
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Double vs. BigDecimal?

I have to calculate some floating point variables and my colleague suggest me to use BigDecimal instead of double since it will be more precise. But I want to know what it is and how to make most out of BigDecimal ? ...
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Is there a JSON equivalent of XQuery/XPath?

When searching for items in complex JSON arrays and hashes, like: 15 Answers 15 ...
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How to get the process ID to kill a nohup process?

... When using nohup and you put the task in the background, the background operator (&) will give you the PID at the command prompt. If your plan is to manually manage the process, you can save that PID and use it later to kill the process i...
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Are there any O(1/n) algorithms?

...put size for which the algorithm is not supposed to execute any operation. And therefore I would think that O(1/n) time complexity is indeed impossible to achieve. – Roland Ewald May 25 '09 at 14:10 ...
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How do I compare two strings in Perl?

... See perldoc perlop. Use lt, gt, eq, ne, and cmp as appropriate for string comparisons: Binary eq returns true if the left argument is stringwise equal to the right argument. Binary ne returns true if the left argument is stringwise not equal to the right argument....
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Difference between HashMap, LinkedHashMap and TreeMap

What is the difference between HashMap , LinkedHashMap and TreeMap in Java? I don't see any difference in the output as all the three has keySet and values . What are Hashtable s? ...
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How to define a preprocessor symbol in Xcode

...o your Target or Project settings, click the Gear icon at the bottom left, and select "Add User-Defined Setting". The new setting name should be GCC_PREPROCESSOR_DEFINITIONS, and you can type your definitions in the right-hand field. Per Steph's comments, the full syntax is: constant_1=VALUE const...