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Time complexity of Euclid's Algorithm
... The base is the golden ratio obviously. Why? Because it takes exactly one extra step to compute nod(13,8) vs nod(8,5). For a fixed x if y<x the worst case performance is x=fib(n+1), y=fib(n). Here y depends on x, so we can look at x only.
– Stepan
Jul 27 '1...
Iteration over std::vector: unsigned vs signed index variable
...++, you normally need to set it to work with the new standard by giving an extra flag:
g++ -std=c++0x -o auto auto.cpp
Now you can run the example:
$ ./auto
17
12
23
42
Please note that the instructions on compiling and running are specific to gnu c++ compiler on Linux, the program should be p...
How to add semicolon after method call when inside parameter list in IntelliJ IDEA?
...o my Keymaps for the "Complete Current Statement" action. This saved me an extra key stroke and made it a little bit more intuitive.
Go to Settings > Keymap
In the search box, enter "Complete Current Statement".
Right-click on the entry and select "Add Keyboard shortcut"
With the First Stroke ...
Daylight saving time and time zone best practices [closed]
...arated and treated differently (an analogy: arrays of bytes and character strings).
The issue is confusing because we speak of these types events interchangeably, and because the civil times are subject to political changes. The problem (and the need to distinguish these concepts) becomes more evi...
R - Concatenate two dataframes?
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Clearer and easier than hacking in extra columns just to please rbind; this is the right way forward. Avoiding extremely common packages like plyr when it offers the right tools for the job is simply not sensible.
– Jack Aidley
...
Redirect stderr and stdout in Bash
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An extra hint: If you use this in a script, make sure it starts with #!/bin/bash rather than #!/bin/sh, since in requires bash.
– Tor Klingberg
Oct 1 '13 at 17:47
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In Objective-C why should I check if self = [super init] is not nil?
... my superclass's initializer is non-null then is it really still worth the extra clutter to check? (Although NSObject itself doesn't seem to have any for its -init afaict…)
– natevw
Dec 17 '15 at 18:14
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no gravity for scrollview. how to make content inside scrollview as center
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This looks like the most correct implementation, no extra views required.
– DariusL
Aug 12 '15 at 13:49
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What is the difference between D3 and jQuery?
...y update the page with the new content. It's real nice to not have all the extra overhead like jquery, backbone + its plugins, angular, etc. You only need to know d3. Now d3 doesn't have a routing system baked into it. But you can always find one.
Jquery on the other hand, it's sole purpose is to w...
Django set default form values
...riable and iterate through its contents without you needing to do anything extra). Personally, I prefer to specify default values in the form definition and only use the initial=... mechanism if the desired default is a dynamic value (e.g. something entered by a user, or based on their login, geogra...