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how do I query sql for a latest record date for each user

...te from MyTable group by username ) tm on t.username = tm.username and t.date = tm.MaxDate share | improve this answer | follow | ...
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Replace X-axis with own values

I have a question regarding the command plot(). 2 Answers 2 ...
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C++ convert from 1 char to string? [closed]

... All of std::string s(1, c); std::cout << s << std::endl; and std::cout << std::string(1, c) << std::endl; and std::string s; s.push_back(c); std::cout << s << std::endl; worked for me. ...
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How do I create directory if none exists using File class in Ruby?

...tokens = dirname.split(/[\/\\]/) # don't forget the backslash for Windows! And to escape both "\" and "/" 1.upto(tokens.size) do |n| dir = tokens[0...n] Dir.mkdir(dir) unless Dir.exist?(dir) end share | ...
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What function is to replace a substring from a string in C?

Given a ( char * ) string, I want to find all occurrences of a substring and replace them with an alternate string. I do not see any simple function that achieves this in <string.h> . ...
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Click Event on UIImageView programmatically in ios

...zer drag it to your controller. Now it will display in "Document outline" and header of view controller xib. Drag gesture to UILable create IBAction method in header file Now drag it from handler to gesture icon in xib ...
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Django CSRF check failing with an Ajax POST request

.../weblog/2011/feb/08/security/ So the general solution is: "use ajaxSetup handler instead of ajaxSend handler". I don't know why it works. But it works for me :) Previous post (without answer) I'm experiencing the same problem actually. It occurs after updating to Django 1.2.5 - there were no err...
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Remove all special characters with RegExp

... The caret (^) character is the negation of the set [...], gi say global and case-insensitive (the latter is a bit redundant but I wanted to mention it) and the safelist in this example is digits, word characters, underscores (\w) and whitespace (\s). ...
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Create singleton using GCD's dispatch_once in Objective-C

... This is a perfectly acceptable and thread-safe way to create an instance of your class. It may not technically be a "singleton" (in that there can only ever be 1 of these objects), but as long as you only use the [Foo sharedFoo] method to access the objec...
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How to make a .jar out from an Android Studio project

I'm using AndroidStudio and I have this project as shown: 9 Answers 9 ...