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JavaScript variables declare outside or inside loop?

...rmance, in JavaScript or ActionScript. var is a directive for the parser, and not a command executed at run-time. If a particular identifier has been declared var once or more anywhere in a function body(*), then all use of that identifier in the block will be referring to the local variable. It ma...
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How to compare binary files to check if they are the same?

What is the easiest way (using a graphical tool or command line on Ubuntu Linux) to know if two binary files are the same or not (except for the time stamps)? I do not need to actually extract the difference. I just need to know whether they are the same or not. ...
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GitHub Windows client behind proxy

...s working. I am on a corporate Win 7 x64 computer behind a corporate proxy and firewall. Following various other posts and experimenting with multiple combinations of environment variables and config variables I have found the only way to get cloning and push updates to work is by using the HTTPS_PR...
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Map function in MATLAB?

...live without. Is there a better version out there? Is there a somewhat-standard functional programming library for MATLAB out there that I'm missing? ...
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?

... You are so close! All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields: SELECT tt.* FROM topten tt INNER JOIN (SELECT home, MAX(datetime) AS MaxDateTime FROM topten GROUP BY home) groupedtt ON tt.home = groupe...
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The type or namespace name does not exist in the namespace 'System.Web.Mvc'

... Clean your solution and then set the property of those files to Copy Local = True. To set the Copy Local property to True or False In Solution Explorer, click the Show All Files button to display the References node. Open the References node...
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Number of days in particular month of particular year?

... Java 8 and later @Warren M. Nocos. If you are trying to use Java 8's new Date and Time API, you can use java.time.YearMonth class. See Oracle Tutorial. // Get the number of days in that month YearMonth yearMonthObject = YearMonth...
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Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly

... I had the same problem and solved it by running the following command: sudo /Library/StartupItems/VirtualBox/VirtualBox restart In later versions, the command is sudo /Library/Application\ Support/VirtualBox/LaunchDaemons/VirtualBoxStartup.sh ...
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Broken references in Virtualenvs

...long with some other applications (I changed to iTerm instead of Terminal, and Sublime as my default text editor) but ever since, all my virtual environments have stopped working, although their folders inside .virtualenvs are still there and they give the following error whenever I try to run anyth...
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What is the difference between ng-if and ng-show/ng-hide

I'm trying to understand the difference between ng-if and ng-show / ng-hide , but they look the same to me. 12 Answers ...