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Why charset names are not constants?

Charset issues are confusing and complicated by themselves, but on top of that you have to remember exact names of your charsets. Is it "utf8" ? Or "utf-8" ? Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use ...
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nginx error connect to php5-fpm.sock failed (13: Permission denied)

I update nginx to 1.4.7 and php to 5.5.12 , After that I got the 502 error . Before I update everything works fine. 24 ...
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How do you usually Tag log entries? (android)

I assume most of you are aware of android.util.Log All logging methods accept 'String tag' as a first argument. 13 Answers ...
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How can I do a case insensitive string comparison?

... method to test whether two strings are equal. Use the String.Compare and String.CompareTo methods to sort strings, not to check for equality. share | improve this answer | ...
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What's the difference between the build and create methods in FactoryGirl?

...Girl introduction delineates the difference between FactoryGirl.build() and FactoryGirl.create() : 3 Answers ...
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What are the true benefits of ExpandoObject?

The ExpandoObject class being added to .NET 4 allows you to arbitrarily set properties onto an object at runtime. 10 Answ...
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Does IE9 support console.log, and is it a real function?

... In Internet Explorer 9 (and 8), the console object is only exposed when the developer tools are opened for a particular tab. If you hide the developer tools window for that tab, the console object remains exposed for each page you navigate to. If ...
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pydot and graphviz error: Couldn't import dot_parser, loading of dot files will not be possible

....1: The incompatibility of (upstream) pydot has been fixed by 6dff94b3f1, and thus pydot >= 1.1 will be compatible with pyparsing >= 1.5.7. Answer applicable to pydot <= 1.0.28: For anyone else who comes across this, it is due to the changes in pyparsing from 1.x to the 2.x release. To...
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Convert JS Object to form data

... If you have an object, you can easily create a FormData object and append the names and values from that object to formData. You haven't posted any code, so it's a general example; var form_data = new FormData(); for ( var key in item ) { form_data.append(key, item[key]); } $.aja...
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Big-O for Eight Year Olds? [duplicate]

I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...