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Why was the arguments.callee.caller property deprecated in JavaScript?
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// This snippet will work:
function factorial(n) {
return (!(n>1))? 1 : factorial(n-1)*n;
}
[1,2,3,4,5].map(factorial);
// But this snippet will not:
[1,2,3,4,5].map(function(n) {
return (!(n>1))? 1 : /* what goes here? */ (n-1)*n;
});
To get around this, arguments.calle...
How can I copy & paste, or duplicate, an existing project?
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195
Click on "new job" and then select "Copy existing job" at the bottom. Then enter the name of t...
Rails new vs create
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edited Aug 11 '12 at 15:38
JJD
42.7k4545 gold badges177177 silver badges291291 bronze badges
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how to get the current working directory's absolute path from irb
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521
Dir.pwd seems to do the trick.
http://ruby-doc.org/core/Dir.html#method-c-pwd
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How to change value of process.env.PORT in node.js?
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For just one run (from the unix shell prompt):
$ PORT=1234 node app.js
More permanently:
$ export PORT=1234
$ node app.js
In Windows:
set PORT=1234
In Windows PowerShell:
$env:PORT = 1234
share...
What does the 'standalone' directive mean in XML?
... an example, consider the humble <img> tag. If you look at the XHTML 1.0 DTD, you see a markup declaration telling the parser that <img> tags must be EMPTY and possess src and alt attributes. When a browser is going through an XHTML 1.0 document and finds an <img> tag, it should no...
How do I find which transaction is causing a “Waiting for table metadata lock” state?
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150
SHOW ENGINE INNODB STATUS \G
Look for the Section -
TRANSACTIONS
We can use INFORMATION_...
How to get client's IP address using JavaScript?
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How do I read / convert an InputStream into a String in Java?
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Git update submodules recursively
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edited Jul 17 '19 at 18:51
answered Apr 16 '12 at 4:24
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