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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...d I am paying close attention to common coding standards. This may seem like a pointlessly nit-picky question, but I am trying to focus on best-practices as I learn, so I don't have to unlearn any 'bad' habits.
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How do you get the magnitude of a vector in Numpy?
In keeping with the "There's only one obvious way to do it", how do you get the magnitude of a vector (1D array) in Numpy?
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“PKIX path building failed” and “unable to find valid certification path to requested target”
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Go to URL in your browser:
firefox - click on HTTPS certificate chain (the lock icon right next to URL address). Click "more info" > "security" > "show certificate" > "details" > "export..". Pickup the name and choose file type example.cer
chrome - click...
The simplest way to resize an UIImage?
In my iPhone app, I take a picture with the camera, then I want to resize it to 290*390 pixels. I was using this method to resize the image :
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Align image in center and middle within div
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#over img {
margin-left: auto;
margin-right: auto;
display: block;
}
<div id="over" style="position:absolute; width:100%; height:100%">
<img src="http://www.garcard.com/images/garcard_symbol.png">
</div>
JSFiddle
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Func with out parameter
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Spencer Ruport
33.8k1111 gold badges7979 silver badges136136 bronze badges
answered Aug 15 '09 at 23:54
Mehrdad AfshariM...
UIView Infinite 360 degree rotation animation?
I'm trying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
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How Do You Clear The IRB Console?
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John TopleyJohn Topley
104k4343 gold badges186186 silver badges234234 bronze badges
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Spring .properties file: get element as an Array
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If you define your array in properties file like:
base.module.elementToSearch=1,2,3,4,5,6
You can load such array in your Java class like this:
@Value("${base.module.elementToSearch}")
private String[] elementToSearch;
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Preferred way to create a Scala list
...modify it, use a tail recursive method, and probably others that I don't know about.
10 Answers
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