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What's the 'Ruby way' to iterate over two arrays at once
...ing the two arrays together works well if you are dealing with arrays. But what if you are dealing with never-ending enumerators, such as something like these:
enum1 = (1..5).cycle
enum2 = (10..12).cycle
enum1.zip(enum2) fails because zip tries to evaluate all the elements and combine them. Inste...
Automatic exit from bash shell script on error [duplicate]
...e be aware that set -e is a shaky feature that might sometimes just not do what you expect. See here for a wonderful explanation: mywiki.wooledge.org/BashFAQ/105
– jlh
May 25 '18 at 8:22
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Why does flowing off the end of a non-void function without returning a value not produce a compiler
...id.
This warning is enabled by -Wall.
Just as a curiosity, look what this code does:
#include <iostream>
int foo() {
int a = 5;
int b = a + 1;
}
int main() { std::cout << foo() << std::endl; } // may print 6
This code has formally undefined behaviour, and in p...
Objective-C: Where to remove observer for NSNotification?
...at's the last point (in the object's life), where you can do that cleanly. What this does not mean is: "just defer the removal until dealloc is called, and everything will be fine". Instead, remove the observer as soon as the object is no longer ready (or required) to receive notifications. That is ...
Mythical man month 10 lines per developer day - how close on large projects? [closed]
...day, but I tend not to think of the amount of code that I've written, only what it does and how well it does it. I certainly wouldn't aim to beat ten lines per day or consider it an achievement to do so.
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jQuery hasAttr checking to see if there is an attribute on an element [duplicate]
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What about api.jquery.com/has-attribute-selector
– Aamir Afridi
Jan 30 '13 at 14:19
3
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How to detect the screen resolution with JavaScript?
...now how thick a 10 pixel line will be in inches. Pixel dimensions tell you what percentage of the available screen height will be taken up by a 10 pixel wide horizontal line.
There's no way to know the display resolution just from Javascript since the computer itself usually doesn't know the actual...
What does “mro()” do?
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What do you mean by "Python removes the first mention of that class from mro."?
– Ruthvik Vaila
Jul 3 '17 at 23:01
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How to get the size of a JavaScript object?
...ap Snapshot and select the comparison view at the bottom. It makes obvious what objects were created between the two snapshots.
– Johnride
Mar 28 '14 at 15:13
1
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Python Unicode Encode Error
...om/articles/Unicode.html, which I found very useful as a basic tutorial on what's going on. After the read, you'll stop feeling like you're just guessing what commands to use (or at least that happened to me).
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