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Better way to sum a property value in an array
...tober 2015? If there's a problem with the answer then please add a comment and I'll correct it. Nobody learns from anonymous downvotes.
– Gruff Bunny
Oct 6 '15 at 14:02
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Suppress warning CS1998: This async method lacks 'await'
...the classes that implements the interface does not have anything to await, and some might just throw. It's a bit annoying with all the warnings.
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Dynamically creating keys in a JavaScript associative array
...rk well, are overcomplicated:
They use new Array(), which is an overkill (and an overhead) for a simple associative array (AKA dictionary).
The better ones use new Object(). It works fine, but why all this extra typing?
This question is tagged "beginner", so let's make it simple.
The über-simple ...
IntelliJ IDEA JDK configuration on Mac OS
...king me to choose JDK for this project. Anyone know how I can configure it and make it easy to use?
4 Answers
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How to use querySelectorAll only for elements that have a specific attribute set?
..."])');
This translates to:
get all inputs with the attribute "value" and has the attribute "value" that is not blank.
In this demo, it disables the checkbox with a non-blank value.
share
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Get next / previous element using JavaScript?
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var divs = document.getElementsByTagName("div");
//divs now contain each and every div element on the page
var selectionDiv = document.getElementById("MySecondDiv");
So basically with selectionDiv iterate through the collection to find its index, and then obviously -1 = previous +1 = next within...
How to initialize std::vector from C-style array?
...you just need a one time initialization, you can put it in the constructor and use the two iterator vector constructor:
Foo::Foo(double* w, int len) : w_(w, w + len) { }
Otherwise use assign as previously suggested:
void set_data(double* w, int len)
{
w_.assign(w, w + len);
}
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How to print out a variable in makefile
...ipe ($(info $$var is [${var}])echo Hello world) as a single recursively expanded variable. When make decides to run the recipe (for instance when you tell it to build all), it expands the variable, and then passes each resulting line separately to the shell.
So, in painful detail:
It expands $(in...
How to crop an image using PIL?
I want to crop image in the way by removing first 30 rows and last 30 rows from the given image. I have searched but did not get the exact solution. Does somebody have some suggestions?
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How should one go about choosing a default TCP/IP port for a new service?
...a default port? Assume that this app will be installed on many computers, and that avoiding port conflicts is desired.
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