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C# List of objects, how do I get the sum of a property
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using System.Linq;
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double total = myList.Sum(item => item.Amount);
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Matplotlib: “Unknown projection '3d'” error
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First off, I think mplot3D worked a bit differently in matplotlib version 0.99 than it does in the current version of matplotlib.
Which version are you using? (Try running: python -c 'import matplotlib; print matplotlib."__version__")
I'm guessing you're runni...
How to scroll the window using JQuery $.scrollTo() function
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If it's not working why don't you try using jQuery's scrollTop method?
$("#id").scrollTop($("#id").scrollTop() + 100);
If you're looking to scroll smoothly you could use basic javascript setTimeout/setInterval function to m...
How to set bootstrap navbar active class with Angular JS?
If I have a navbar in bootstrap with the items
26 Answers
26
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How can I declare optional function parameters in Javascript? [duplicate]
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With ES6: This is now part of the language:
function myFunc(a, b = 0) {
// function body
}
Please keep in mind that ES6 checks the values against undefined and not against truthy-ness (so only real undefined values get t...
How can I make my flexbox layout take 100% vertical space?
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You should set height of html, body, .wrapper to 100% (in order to inherit full height) and then just set a flex value greater than 1 to .row3 and not on the others.
.wrapper, html, body {
height: 100%;
margin: 0;
}
.wrapper {
display: flex;
flex-direction: column;
}
#row1 {
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Remove all line breaks from a long string of text
...ks. How would I take the user's string and delete all line breaks to make it a single line of text. My method for acquiring the string is very simple.
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How to use XPath contains() here?
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This query will give you the elements that have a class of featureList with one or more li children that contain the text, 'Model'.
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How to remove a field from params[:something]
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Rails 4/5 - edited answer
(see comments)
Since this question was written newer versions of Rails have added the extract! and except eg:
new_params = params.except[the one I wish to remove]
This is a safer way to 'grab' all the params y...
print call stack in C or C++
... notes section in backtrace(3):
The symbol names may be unavailable
without the use of special linker
options.
For systems using the GNU linker, it is necessary to use the
-rdynamic linker
option. Note that names of "static" functions are not exposed,
and won't be
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