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What's the difference between .so, .la and .a library files?

...re than one copy of it in memory). But what is the difference between .a and .la ? Are these all static libraries? 1 Ans...
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C# 'is' operator performance

... answered Mar 26 '09 at 16:09 Andrew HareAndrew Hare 310k6363 gold badges611611 silver badges614614 bronze badges ...
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Best JavaScript compressor [closed]

...t need any Node.js internals). It's a lot faster than both YUI Compressor and Google Closure, it compresses better than YUI on all scripts I tested it on, and it's safer than Closure (knows to deal with "eval" or "with"). Other than whitespace removal, UglifyJS also does the following: changes l...
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How to get item's position in a list?

I am iterating over a list and I want to print out the index of the item if it meets a certain condition. How would I do this? ...
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MySQL, better to insert NULL or empty string?

...a lot of different fields. Some of the fields are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data? ...
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must appear in the GROUP BY clause or be used in an aggregate function

... To workaround this issue, you must calculate the aggregate in a sub-query and then join it with itself to get the additional columns you'd need to show: SELECT m.cname, m.wmname, t.mx FROM ( SELECT cname, MAX(avg) AS mx FROM makerar GROUP BY cname ) t JOIN makerar m ON m.cname = t....
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How to vertically center a container in Bootstrap?

... for a way to vertically center the container div inside the jumbotron and to set it in the middle of the page. 9 Answ...
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Should I use int or Int32

In C#, int and Int32 are the same thing, but I've read a number of times that int is preferred over Int32 with no reason given. Is there a reason, and should I care? ...
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Move branch pointer to different commit without checkout

...ch pointer of a checked out branch, one can use the git reset --hard command. But how to move the branch pointer of a not-checked out branch to point at a different commit (keeping all other stuff like tracked remote branch)? ...
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What is the best way to tell if a character is a letter or number in Java without using regexes?

What is the best and/or easiest way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks. ...