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Check if object value exists within a Javascript array of objects and if not add a new object to arr
...ve assumed that ids are meant to be unique here. some is a great function for checking the existence of things in arrays:
const arr = [{ id: 1, username: 'fred' }, { id: 2, username: 'bill' }, { id: 3, username: 'ted' }];
function add(arr, name) {
const { length } = arr;
const id = len...
VS 2010 Test Runner error “The agent process was stopped while the test was running.”
...e tests at one time using test lists, I sometimes reveive the following error for one or more of the tests:
19 Answers
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Ruby: How to iterate over a range, but in set increments?
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See http://ruby-doc.org/core/classes/Range.html#M000695 for the full API.
Basically you use the step() method. For example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
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Embedding SVG into ReactJS
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Update 2016-05-27
As of React v15, support for SVG in React is (close to?) 100% parity with current browser support for SVG (source). You just need to apply some syntax transformations to make it JSX compatible, like you already have to do for HTML (class → clas...
How exactly do Django content types work?
...to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework.
2 Answ...
.NET JIT potential error?
...rolling the inner loop but not updating the oVec.y value properly:
for (oVec.x = 0; oVec.x < 2; oVec.x++) {
0000000a xor esi,esi ; oVec.x = 0
for (oVec.y = 0; oVec.y < 2; oVec.y++) {
0000000c mov edi,2 ; oVec.y ...
How do you determine which backend is being used by matplotlib?
Either interactively, such as from within an Ipython session, or from within a script, how can you determine which backend is being used by matplotlib?
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What does Maven Update Project do in Eclipse?
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It syncs the Eclipse project settings with that of the pom. If you for example change important plugin settings, such as the output java version, you will find that Eclipse will ask you to update the project and afterwards the configured Java runtime in the project will have changed to reflec...
Is R's apply family more than syntactic sugar?
...regarding execution time and / or memory.
5 Answers
5
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Remove non-numeric characters (except periods and commas) from a string
...see also php function money_function() ( php.net/manual/en/function.money-format.php )
– horatio
Feb 9 '11 at 19:28
5
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