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String's Maximum length in Java - calling length() method

...ALUE, which is 2^31 - 1 (or approximately 2 billion.) In terms of lengths and indexing of arrays, (such as char[], which is probably the way the internal data representation is implemented for Strings), Chapter 10: Arrays of The Java Language Specification, Java SE 7 Edition says the following: ...
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CSS Image size, how to fill, not stretch?

I have an image, and I want to set it a specific width and height (in pixels) 15 Answers ...
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What is the most efficient way to loop through dataframes with pandas? [duplicate]

... The newest versions of pandas now include a built-in function for iterating over rows. for index, row in df.iterrows(): # do some logic here Or, if you want it faster use itertuples() But, unutbu's suggestion to use numpy functions to avoi...
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Automatic TOC in github-flavoured-markdown

...ed two options to generate a toc for github-flavored-markdown: DocToc Command Line Tool (source) requires node.js Installation: npm install doctoc Usage: npx doctoc . to add table of contents to all markdown files in the current and all sub directories. DocToc WebApp If you want to try it on...
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Should a return statement be inside or outside a lock?

... that in some place in my code I have the return statement inside the lock and sometime outside. Which one is the best? 9 A...
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Python integer division yields float

... answered Aug 15 '09 at 21:51 Brandon E TaylorBrandon E Taylor 23.1k66 gold badges4343 silver badges6868 bronze badges ...
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What do I use for a max-heap implementation in Python?

... The easiest way is to invert the value of the keys and use heapq. For example, turn 1000.0 into -1000.0 and 5.0 into -5.0. share | improve this answer | ...
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config.assets.compile=true in Rails production, why not?

...or a file in /assets is passed to Sprockets. On the first request for each and every asset it is compiled and cached in whatever Rails is using for cache (usually the filesystem). On subsequent requests Sprockets receives the request and has to look up the fingerprinted filename, check that the fil...
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

... I suggest carefully reading and implementing the sync strategy discussed by Dan Grover at iPhone 2009 conference, available here as a pdf document. This is a viable solution and is not that difficult to implement (Dan implemented this in several of its...
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What's the difference between using INDEX vs KEY in MySQL?

I know how to use INDEX as in the following code. And I know how to use foreign key and primary key . 5 Answers ...