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Why doesn't Python have a sign function?

...ed cmp and specified a custom comparator function? In summary, I've found myself wanting a sign function too, but copysign with the first argument being 1 will work just fine. I disagree that sign would be more useful than copysign, as I've shown that it's merely a subset of the same functionality...
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Send attachments with PHP Mail()?

... I was the same - wanted to use mail() just because I already had it in my code. PHPMAILER took me less than 5 minutes to getting send attachments! – James Wilson Dec 12 '13 at 10:28 ...
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How to sort a dataframe by multiple column(s)

... their convoluted machinations. Typically brilliant Hadley Wickham work. My only gripe with it is that it breaks the standard R nomenclature where sorting objects get called by sort(object), but I understand why Hadley did it that way due to issues discussed in the question linked above. ...
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Catch an exception thrown by an async void method

... read - whereas I know what's actually going on is really complicated - so my brain is telling me not to believe my eyes... – Stuart Mar 21 '11 at 21:01 8 ...
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When to use reinterpret_cast?

...nclude "vendor.hpp" #include <iostream> using namespace std; struct MyUserData { MyUserData() : m(42) {} int m; }; int main() { MyUserData u; // store global data VendorGlobalUserData d1; // d1 = &u; // compile error // ...
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Can I arrange repositories into folders on Github?

I am new to git and what I am doing now is to upload all my recent projects as repositories to github. There are a lot of different projects like webdesign, wordpress themes and different types of applications. And some of these also belong to bigger projects because they were about testing some stu...
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python: Change the scripts working directory to the script's own directory

...I wanted to do as the OP, but after reading your advice I instead modified my script. Now it requires a parameter to specify the location of a log file. – Iain Samuel McLean Elder Jun 21 '13 at 14:48 ...
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Is it possible to cast a Stream in Java 8?

... although I am not sure if the code gets clearer. I have added the idea to my answer. – assylias Jun 22 '14 at 22:38 40 ...
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Why does the C preprocessor interpret the word “linux” as the constant “1”?

... Days (pre-ANSI), predefining symbols such as unix and vax" -- Huh? It was my understanding that in the Old Days, all the world was a vax! – sqweek Sep 20 '16 at 11:24 6 ...
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Circle-Rectangle collision detection (intersection)

... Oh no, my bad. rect.x/y is at the lower left of the rectangle. I would have written: circleDistance.x = abs(circle.x - (rect.x + rect.width/2)); – luqui Nov 7 '09 at 9:52 ...