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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...
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
...
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.
...
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
// ...
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...
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
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