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mmap() vs. reading blocks

...able length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since the input file gets scanned many times. ...
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Iterate through object properties

... I feel that I should mention, however, that Object.keys(obj) is now a much better solution for getting the keys of the object itself. Link to the Mozilla documentation: developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… – Kyle Richter Apr ...
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Adding Python Path on Windows 7

...am not sure the %path% is needed. On my Windows 7 system, new cmd windows now have two copies of the previous paths. – Paul Lynch Nov 7 '14 at 15:38 ...
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Remove unused references (!= “using”)

... Nice extensive answer. What's weird is that although you know I'm not referring to the using statements (that clean-up is standard in VS, don't get why R# re-invented that) you answer that question first. Would you mind switching the two around? – Boris Callens...
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How do I tell git to always select my local version for conflicted merges on a specific file?

...nit Initialized empty Git repository in F:/prog/git/test/copyMerge/.git/ Now, let's make two files, which will both have conflicts, but which will be merged differently. echo a > dirWithConflicts\a.txt echo b > dirWithCopyMerge\b.txt git add -A git commit -m "first commit with 2 directories...
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JavaScript closure inside loops – simple practical example

...{ funcs[i] = createfunc(i); } for (var j = 0; j < 3; j++) { // and now let's run each one to see funcs[j](); } Since there is no block scope in JavaScript - only function scope - by wrapping the function creation in a new function, you ensure that the value of "i" remains as you inte...
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Is it good practice to NULL a pointer after deleting it?

... Imagaine a mainainer comming back a year later and seeing foo deleted. He now believes he can re-use the pointer unfortunately he may miss the second delete (it may not even be in the same function) and now the re-use of the pointer now gets trashed by the second delete. Any access after the second...
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Can Go compiler be installed on Windows?

...n't seem to find it. I can only see Linux and OS X compilers. Does anyone know if Go programming can be done on Windows, or is it something that Google hasn't implemented yet? ...
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How to get current user, and how to use User class in MVC5?

... User authentication and authorization have changed for ASP.NET MVC 5. Now it's a Claims-based authentication with interfaces and generic repositories that you can use with EF or other provider (EF implementation comes as a default). Since GetUserId is an extension method stored at the bottom of...
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Eclipse copy/paste entire line keyboard shortcut

Anyone know the keyboard shortcut to copy/paste a line into a new line in Eclipse , without having to highlight the entire line? ...