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Find the last element of an array while using a foreach loop in PHP

... $numItems = count($arr) trick is not needed and reduces readability - in PHP there is no performance penalty for accessing count($arr) each time. The reason is that items count is internally saved as special field in the array header and is not calculated on-the-fly. T...
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Generate Java classes from .XSD files…?

... As explained here, you can add the dependencies in Java 9 by a command line argument, or add the dependency manually. – Matthias Ronge Apr 11 '18 at 8:57 add a comment...
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Bash function to find newest file matching pattern

... The ls command has a parameter -t to sort by time. You can then grab the first (newest) with head -1. ls -t b2* | head -1 But beware: Why you shouldn't parse the output of ls My personal opinion: parsing ls is only dangerous when th...
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Entity Framework Migrations renaming tables and columns

I renamed a a couple entities and their navigation properties and generated a new Migration in EF 5. As is usual with renames in EF migrations, by default it was going to drop objects and recreate them. That isn't what I wanted so I pretty much had to build the migration file from scratch. ...
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Using bitwise OR 0 to floor a number

...in some cases? Clarity is an obvious one, since we had to figure it out, and well, I'm writting this question. Will not pass jsLint. 32-bit signed integers only Odd Comparative behavior: Math.floor(NaN) === NaN, while (NaN | 0) === 0 ...
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Calculate size of Object in Java [duplicate]

... an object takes up for a project (I'm comparing sizes of data structures) and it seems like there is no method to do this in Java. Supposedly, C/C++ has sizeOf() method, but this is nonexistant in Java. I tried recording the free memory in the JVM with Runtime.getRuntime().freeMemory() before a...
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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?

...se, so I'm set for now. Thanks for your insight! – Brandon Martinez Apr 30 '13 at 17:39 4 @NominS...
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Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC

...e a look here: http://forums.asp.net/t/1314753.aspx This isn't a bug, and is in fact the same approach that both Ruby on Rails and MonoRail use. When you submit a form with a checkbox, the value is only posted if the checkbox is checked. So, if you leave the checkbox unchecked then n...
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Count number of days between two dates

... With the Date (and DateTime) classes you can do (end_date - start_date).to_i to get the number of days difference. share | improve this an...
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What's the difference between the WebConfigurationManager and the ConfigurationManager?

What's the difference between the WebConfigurationManager and the ConfigurationManager ? 4 Answers ...