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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII

...acters are more common. For example, in a search I just performed on 100 random English Wikipedia articles, the most common non-ASCII characters are ·•–é°®’èö—. Based on this fact, The bytes 0x92, 0x95, 0x96, 0x97, 0xAE, 0xB0, 0xB7, 0xE8, 0xE9, or 0xF6 suggest windows-1252. The byt...
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Java Hashmap: How to get key from value?

If I have the value "foo" , and a HashMap<String> ftw for which ftw.containsValue("foo") returns true , how can I get the corresponding key? Do I have to loop through the hashmap? What is the best way to do that? ...
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Update relationships when saving changes of EF4 POCO objects

Entity Framework 4, POCO objects and ASP.Net MVC2. I have a many to many relationship, lets say between BlogPost and Tag entities. This means that in my T4 generated POCO BlogPost class I have: ...
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How do I compare two strings in Perl?

... See perldoc perlop. Use lt, gt, eq, ne, and cmp as appropriate for string comparisons: Binary eq returns true if the left argument is stringwise equal to the right argument. Binary ne returns true if the left argument is stringwise not equal to the right argument....
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GitHub: Reopening a merged pull request

I've now fixed the bug and want to resubmit the pull request with 1 extra commit. Is there any way to reopen the pull request or update it, or do I have to create a new pull request, type out the description etc again? Gitorious has this feature and we've recently moved to GitHub. ...
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How to deal with IntelliJ IDEA project files under Git source control constantly changing?

Everyone on our team uses IntelliJ IDEA, and we find it useful to put its project files (.ipr and .iml) into source control so that we can share build configurations, settings, and inspections. Plus, we can then use those inspection settings on our continuous integration server with TeamCity. (We ha...
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How to check if a variable is an integer in JavaScript?

How do I check if a variable is an integer in JavaScript, and throw an alert if it isn't? I tried this, but it doesn't work: ...
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What are the differences between a multidimensional array and an array of arrays in C#?

What are the differences between multidimensional arrays double[,] and array-of-arrays double[][] in C#? 9 Answers ...
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Date ticks and rotation in matplotlib

...sn't do anything, plt.gca() does not give you the axes you want to modify, and so plt.xticks, which acts on the current axes, is not going to work. For an object-oriented approach not using plt.xticks, you can use plt.setp( axs[1].xaxis.get_majorticklabels(), rotation=70 ) after the two avail_pl...
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How do I update the password for Git?

I'm using BitBucket with Xcode and Git for version control, and recently I changed all of my passwords ( thanks Adobe! ). 2...