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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
I'll explain by example:
21 Answers
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How do I measure the execution time of JavaScript code with callbacks?
...e the Node.js console.time() and console.timeEnd():
var i;
console.time("dbsave");
for(i = 1; i < LIMIT; i++){
db.users.save({id : i, name : "MongoUser [" + i + "]"}, end);
}
end = function(err, saved) {
console.log(( err || !saved )?"Error":"Saved");
if(--i === 1){console.timeEnd(...
class method generates “TypeError: … got multiple values for keyword argument …”
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The problem is that the first argument passed to class methods in python is always a copy of the class instance on which the method is called, typically labelled self. If the class is declared thus:
class foo(object):
def foodo(s...
vim, switching between files rapidly using vanilla Vim (no plugins)
... myself to vanilla Vim (not using plugins) limits the power of the editor, but as I switch between different machines frequently, it is often too much trouble to move my environment around everywhere. I want to just stay in vanilla Vim.
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jQuery if checkbox is checked
I have a function below that I want to only trigger when a checkbox in the same tr is checked. Please tell me what I am doing wrong, the usual methods are not working. Thanks
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How to sort an array in Bash
I have an array in Bash, for example:
16 Answers
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How to retrieve GET parameters from javascript? [duplicate]
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With the window.location object. This code gives you GET without the question mark.
window.location.search.substr(1)
From your example it will return returnurl=%2Fadmin
EDIT: I took the liberty of changing Qwerty's answer, which is really good, an...
How do I print debug messages in the Google Chrome JavaScript Console?
How do I print debug messages in the Google Chrome JavaScript Console?
14 Answers
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Given a number, find the next higher number which has the exact same set of digits as the original n
I just bombed an interview and made pretty much zero progress on my interview question. Can anyone let me know how to do this? I tried searching online but couldn't find anything:
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Compare object instances for equality by their attributes
I have a class MyClass , which contains two member variables foo and bar :
15 Answers
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