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Find object by id in an array of JavaScript objects
...method returns the first value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned.
If you want to find its index instead, use findIndex():
myArray.findIndex(x => x.id === '45');
From MDN:
The findIndex() method returns the ...
Caveats of select/poll vs. epoll reactors in Twisted
...read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price.
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Finding the average of a list
I have to find the average of a list in Python. This is my code so far
23 Answers
23
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Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
Note: This question was originally asked here but the bounty time expired even though an acceptable answer was not actually found. I am re-asking this question including all details provided in the original question.
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Method Overloading for null argument
...applicable, so Java will have to find the most specific one.
Since Object is the super-type of char[], the array version is more specific than the Object-version. So if only those two methods exist, the char[] version will be chosen.
When both the char[] and Integer versions are available, then bo...
Delete a single record from Entity Framework?
...query the object first, you can attach it to the context by its id.
Like this:
var employer = new Employ { Id = 1 };
ctx.Employ.Attach(employer);
ctx.Employ.Remove(employer);
ctx.SaveChanges();
Alternatively, you can set the attached entry's state to deleted :
var employer = new Employ { Id = 1 ...
Is it possible to make an HTML anchor tag not clickable/linkable using CSS?
For example if I have this:
9 Answers
9
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What does “yield break;” do in C#?
I have seen this syntax in MSDN: yield break , but I don't know what it does. Does anyone know?
10 Answers
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tomcat - CATALINA_BASE and CATALINA_HOME variables
...d it works as expected. I am trying to find out what the standard practice is with regards to setting the CATALINA_HOME and CATALINA_BASE variables.
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What's the difference between nohup and ampersand
...s.out to run in the background. After I shutdown the terminal, the process is still running.
What's the difference between them?
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