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Normalize data in pandas
Suppose I have a pandas data frame df :
5 Answers
5
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How to position a DIV in a specific coordinates?
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Script its left and top properties as the number of pixels from the left edge and top edge respectively. It must have position: absolute;
var d = document.getElementById('yourDivId');
d.style.position = "absolute";
d.style.left = x_pos+'px...
Scanner is skipping nextLine() after using next() or nextFoo()?
I am using the Scanner methods nextInt() and nextLine() for reading input.
19 Answers
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@property retain, assign, copy, nonatomic in Objective-C
...to Objective-C can someone give me an overview of the retain, assign, copy and any others I'm missing, that follow the @property directive? What are they doing and why would I want to use one over another?
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Python: split a list based on a condition?
What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of:
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How to show a confirm message before delete?
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brilliant answer! short,precise and works efficiently
– John
Feb 21 at 8:47
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Can an array be top-level JSON-text?
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Yes, an array is legal as top-level JSON-text.
There are three standard documents defining JSON: RFC 4627, RFC 7159 (which obsoletes RFC 4627), and ECMA-404. They differ in which top-level elements they allow, but all allow an object or an array as the top-level element.
RFC 4627: Object...
Fat models and skinny controllers sounds like creating God models [closed]
I've been reading a lot of blogs which advocate the fat models and skinny controllers approach, esp. the Rails camp. As a result the routers is basically just figuring out what method to call on what controller and all the controller method does is call the corresponding method on the model and th...
NTFS performance and large volumes of files and directories
How does Windows with NTFS perform with large volumes of files and directories?
7 Answers
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What is an “unwrapped value” in Swift?
I'm learning Swift for iOS 8 / OSX 10.10 by following this tutorial , and the term " unwrapped value " is used several times, as in this paragraph (under Objects and Class ):
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