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pandas: multiple conditions while indexing data frame - unexpected behavior

...ormal Python code, and and or have basic Python semantics that can't be modified. & and |, on the other hand, have corresponding special methods which control their behaviour. (In query strings, of course, we're free to apply any parsing we like.) – DSM J...
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Ignoring SSL certificate in Apache HttpClient 4.3

How to ignore SSL certificate (trust all) for Apache HttpClient 4.3 ? 16 Answers 16 ...
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log4net argument to LogManager.GetLogger

... in a new class. For the official answer, see: How do I get the fully-qualified name of a class in a static block? at the log4net faq share | improve this answer | follow ...
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How can I use NSError in my iPhone App?

...ies) { // sad, we can't solve world hunger, but we can let people know what went wrong! // init dictionary to be used to populate error object NSMutableDictionary* details = [NSMutableDictionary dictionary]; [details setValue:@"ran out of money" forKey:NSLocalizedDesc...
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How much faster is C++ than C#?

Or is it now the other way around? 29 Answers 29 ...
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Why is it necessary to set the prototype constructor?

...// inherit Person Student.prototype = Object.create(Person.prototype); Now what happens when we create a new Student and copy it? var student1 = new Student("trinth"); console.log(student1.copy() instanceof Student); // => false The copy is not an instance of Student. This is beca...
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Undo a merge by pull request?

Someone accepted a pull request which they shouldn't have. Now we have a bunch of broken code merged in. How do you undo a pull request? I was just going to revert the changes to the commit just before the merge, but I noticed that it merged in a bunch of commits. So now there are all these commits ...
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Ruby / Rails - Change the timezone of a Time, without changing the value

...Suppose the target time to convert is after the D/ST transition while Time.now is before the change. Would that work ? – Cyril Duchon-Doris Oct 26 '16 at 18:42 add a comment ...
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Convert char to int in C and C++

...-> 1, etc, you can write char a = '4'; int ia = a - '0'; /* check here if ia is bounded by 0 and 9 */ Explanation: a - '0' is equivalent to ((int)a) - ((int)'0'), which means the ascii values of the characters are subtracted from each other. Since 0 comes directly before 1 in the ascii table (...
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Using socket.io in Express 4 and express-generator's /bin/www

...ect. After Express Js 4 was lauched, i've updated my express-generator and now the app initial functions goes into ./bin/www file, including those vars (www file contents: http://jsfiddle.net/avMa5/ ) ...