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Ruby Array find_first object?
Am I missing something in the Array documentation? I have an array which contains up to one object satisfying a certain criterion. I'd like to efficiently find that object. The best idea I have from the docs is this:
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Using Java 8 to convert a list of objects into a string obtained from the toString() method
...end your list items in a StringBuilder
List<Integer> list = new ArrayList<>();
list.add(1);
list.add(2);
list.add(3);
StringBuilder b = new StringBuilder();
list.forEach(b::append);
System.out.println(b);
you can also try:
String s = list.stream().map(e -> ...
Checking if a key exists in a JavaScript object?
How do I check if a particular key exists in a JavaScript object or array?
22 Answers
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size_t vs. uintptr_t
The C standard guarantees that size_t is a type that can hold any array index. This means that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
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Getting the last argument passed to a shell script
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Note: This answer works for all Bash arrays, unlike ${@:$#} which only works on $@. If you were to copy $@ to a new array with arr=("$@"), ${arr[@]:$#} would be undefined. This is because $@ has a 0th element that isn't included in "$@" expansions.
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How to find Array length inside the Handlebar templates?
...mplate which is rendered using a json object. In this json I am sending an array. Like this:
4 Answers
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Create JSON-object the correct way
I am trying to create an JSON object out of a PHP array. The array looks like this:
5 Answers
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Numpy index slice without losing dimension information
...far as why it's not the default, personally, I find that constantly having arrays with singleton dimensions gets annoying very quickly. I'd guess the numpy devs felt the same way.
Also, numpy handle broadcasting arrays very well, so there's usually little reason to retain the dimension of the ar...
JavaScript variable number of arguments to function
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arguments is a special "Array-like" object, which means it has has a length, but no other array functions. See developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… for more information, and this answer: stackoverflow.com/a/13145228/1766230
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How to convert comma-separated String to List?
...a which allows us to convert comma separated String to some container (e.g array, List or Vector)? Or do I need to write custom code for that?
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