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how to check if object already exists in a list
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It depends on the needs of the specific situation. For example, the dictionary approach would be quite good assuming:
The list is relatively stable (not a lot of inserts/deletions, which dictionaries are not optimized for)
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React.js: onChange event for contentEditable
How do I listen to change event for contentEditable -based control?
7 Answers
7
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How to read a CSV file into a .NET Datatable
...te the DataTable:
A portable and efficient generic parser for flat files
It's easy to configure and easy to use. I urge you to take a look.
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How do I add an existing directory tree to a project in Visual Studio?
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edited Apr 8 '16 at 17:04
Maria Ines Parnisari
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Traits vs. interfaces
... trying to study up on PHP lately, and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?
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How to duplicate object properties in another object?
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edited Oct 11 '19 at 21:49
Zoltán Matók
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How do I keep two side-by-side divs the same height?
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Flexbox
With flexbox it's a single declaration:
.row {
display: flex; /* equal height of the children */
}
.col {
flex: 1; /* additionally, equal width */
padding: 1em;
border: solid;
}
<div class="row">
<d...
How to remove focus border (outline) around text/input boxes? (Chrome) [duplicate]
...emove the orange or blue border (outline) around text/input boxes? I think it only happens on Chrome to show that the input box is active. Here's the input CSS I'm using:
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Unescape HTML entities in Javascript?
I have some Javascript code that communicates with an XML-RPC backend.
The XML-RPC returns strings of the form:
29 Answers
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Java - get the current class name?
...a useless non-sense $1 to the end of my class name. How can I get rid of it and only return the actual class name?
11 Ans...