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Count number of matches of a regex in Javascript
I wanted to write a regex to count the number of spaces/tabs/newline in a chunk of text. So I naively wrote the following:-
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Detect if called through require or directly by command line
...e.exports = function () {
// generate a stack trace
const stack = (new Error()).stack;
// the third line refers to our caller
const stackLine = stack.split("\n")[2];
// extract the module name from that line
const callerModuleName = /\((.*):\d+:\d+\)$/.exec(stackLine)[1];
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What are “decorators” and how are they used?
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What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
...P or other technologies for IIS.
Integrated mode, on the other hand, is a new mode in IIS7 where IIS pipeline is tightly integrated (i.e. is just the same) as ASP.NET request pipeline. ASP.NET can see every request it wants to and manipulate things along the way. ASP.NET is no longer treated as an ...
How do I verify jQuery AJAX events with Jasmine?
...ml ). I have configured SpecRunner to load jquery and other .js files. Any ideas why the following doesn't work? has_returned does not become true, even thought the "yuppi!" alert shows up fine.
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Why doesn't java.lang.Number implement Comparable? [duplicate]
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It's worth mentioning that the following expression:
new Long(10).equals(new Integer(10))
is always false, which tends to trip everyone up at some point or another. So not only can you not compare arbitrary Numbers but you can't even determine if they're equal or not.
Also,...
Python append() vs. + operator on lists, why do these give different results?
...rator + is a binary infix operator which, when applied to lists, returns a new list containing all the elements of each of its two operands. The list.append() method is a mutator on list which appends its single object argument (in your specific example the list c) to the subject list. In your examp...
How to Create Grid/Tile View?
...age-break-before: always; /* CSS 2.1 syntax */
break-before: always; /* New syntax */
}
Sadly, not all browsers support line breaks in flexbox yet. It works on Firefox, though.
#flex-container {
display: flex;
flex-flow: column wrap;
}
#flex-container > :nth-child(3n + 1) { o...
Is there a Java equivalent or methodology for the typedef keyword in C++?
...in my experience, it's useful for adding semantics like: typedef int PlayerID which enables the compiler to make sure PlayerIDs aren't being used interchangeably with other ints, and it also makes code much more readable for humans. Basically, it's like an enum but without a limited set of values.
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Difference between os.getenv and os.environ.get
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