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How to perform element-wise multiplication of two lists?
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On the other hand, if they want to do anything else beyond the trivial case here the OP would be well advised to use Numpy.
– Henry Gomersall
Apr 22 '12 at 20:41
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How to set gradle home while importing existing project in Android studio
How to set gradle home while importing existing project in Android studio. While trying to import I need to set up this path.
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How to apply a style to an embedded SVG?
...t the stylesheet into the svg document using script.
Something like this, and note that this code assumes that the <object> has loaded fully:
var svgDoc = yourObjectElement.contentDocument;
var styleElement = svgDoc.createElementNS("http://www.w3.org/2000/svg", "style");
styleElement.textCon...
how to get the host url using javascript from the current page
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hostname will give only domain and host will provide port also. This is great mini tool to see link anatomy bl.ocks.org/abernier/3070589
– Lukas Liesis
Apr 11 '16 at 5:00
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background-size in shorthand background property (CSS3)
I'm trying to mix background-image and background-size properties in a shorthanded background property. Based on W3C documentation background-size should come after background-position property separated with an slash( / ).
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Center Align on a Absolutely Positioned Div
...t. This is awesome! Could you explain how it works? Edit: Did some hunting and it seems like the left: 50% moves the div's left location to the center, which isn't really center. But the translateX shifts it back 50% of the content's width
– Aziz Javed
Nov 10 '...
What is a good pattern for using a Global Mutex in C#?
The Mutex class is very misunderstood, and Global mutexes even more so.
8 Answers
8
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How to synchronize a static variable among threads running different instances of a class in Java?
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The reason #3 is the best is that any random bit of code could synchronize on Test.class and potentially spoil your day. Also, class initialization runs with a lock on the class held, so if you've got crazy class initializers you can give yourself headaches. vol...
Cannot pass null argument when using type hinting
...on Type $t = null whereas if you need to make an argument accept both null and its type, you can follow above example.
You can read more here.
PHP 7.0 or older
You have to add a default value like
function foo(Type $t = null) {
}
That way, you can pass it a null value.
This is documented i...
Do I need to store the salt with bcrypt?
...ng characters represented the hash value. The checker function knows this, and pulls the hash apart to get the salt back out.
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