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Why is exception handling bad?
...anguage has no exceptions as a design choice, and Linus of Linux fame has called exceptions crap. Why?
15 Answers
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What is Turing Complete?
... in practice, because no realizable system has an infinite tape. What we really mean is that some systems have the ability to approximate Turing-completeness up to the limits of their available memory.
– Shelby Moore III
Aug 8 '14 at 22:40
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How to find keys of a hash?
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There is function in modern JavaScript (ECMAScript 5) called Object.keys performing this operation:
var obj = { "a" : 1, "b" : 2, "c" : 3};
alert(Object.keys(obj)); // will output ["a", "b", "c"]
Compatibility details can be found here.
On the Mozilla site there is also a sn...
Select top 10 records for each category
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If you really just want the top 10, change it to RowNumber() instead of Rank(). No ties then.
– Mike L
Oct 7 '08 at 3:26
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How to select only 1 row from oracle sql?
... @ypercube far as I can tell, it does. (At least it works for my installation of oracle10g.)
– user684934
Jan 19 '12 at 0:28
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XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
I'm trying to create a website that can be downloaded and run locally by launching its index file.
9 Answers
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What is ECMAScript?
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JavaScript is a subset of ECMAScript. JavaScript is basically ECMAScript at its core but builds upon it. Languages such as ActionScript, JavaScript, JScript all use ECMAScript as its core. As a comparison, AS/JS/JScript are 3 different cars, but they all use the same engine... each...
Find JavaScript function definition in Chrome
...ft + F, or macOS:
cmd + optn + F. This opens a window for searching across all scripts.
check "Regular expression" checkbox,
search for foo\s*=\s*function (searches for foo = function with any number of spaces between those three tokens),
press on a returned result.
Another variant for function d...
SQL select only rows with max value on a column [duplicate]
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At first glance...
All you need is a GROUP BY clause with the MAX aggregate function:
SELECT id, MAX(rev)
FROM YourTable
GROUP BY id
It's never that simple, is it?
I just noticed you need the content column as well.
This is a very common q...
Replace specific characters within strings
... fixed=TRUE prevents R from using regular expressions, which allow more flexible pattern matching but take time to compute. If all that's needed is removing a single constant string "e", they aren't necessary.
– mm689
Oct 31 '16 at 19:16
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