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Trimming a huge (3.5 GB) csv file to read into R
...omplete rows (leading Access and SQL to choke). It's county level data set broken into segments, sub-segments, and sub-sub-segments (for a total of ~200 factors) for 40 years. In short, it's huge, and it's not going to fit into memory if I try to simply read it.
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How do I use the conditional operator (? :) in Ruby?
How is the conditional operator ( ? : ) used in Ruby?
7 Answers
7
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Why not inherit from List?
... (that is to say, "to the human mind") is just a list of things with a few bells and whistles?
Ask any ten non-computer-programmer people who are familiar with the existence of football to fill in the blank:
A football team is a particular kind of _____
Did anyone say "list of football playe...
How to manually expand a special variable (ex: ~ tilde) in bash
I have a variable in my bash script whose value is something like this:
15 Answers
15
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How can I convert an image into a Base64 string?
What is the code to transform an image (maximum of 200 KB) into a Base64 String?
14 Answers
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How do I sort a Set to a List in Java?
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The answer provided by the OP is not the best. It is inefficient, as it creates a new List and an unnecessary new array. Also, it raises "unchecked" warnings because of the type safety issues around generic arrays.
Instead, use something like t...
Override back button to act like home button
On pressing the back button, I'd like my application to go into the stopped state, rather than the destroyed state.
10 Answ...
How to initialize static variables
...rse non-trivial expressions in initializers.
I prefer to work around this by adding code right after definition of the class:
class Foo {
static $bar;
}
Foo::$bar = array(…);
or
class Foo {
private static $bar;
static function init()
{
self::$bar = array(…);
}
}
Foo::init();
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Copy / Put text on the clipboard with FireFox, Safari and Chrome
In Internet Explorer I can use the clipboardData object to access the clipboard. How can I do that in FireFox, Safari and/or Chrome?
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Visual Studio Clicking Find Results Opens Code in Wrong Window
...s" the results are returned to the "Find Results 1" window which is docked below my code editor window.
7 Answers
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