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Handling specific errors in JavaScript (think exceptions)
... Well Microsoft's C# certainly handles errors better than Javascript :P. Mozzilla added something like it to Firefox that's like that. Though it's not in the Ecmascript standard, not even ES6, but they also explain how to make it conform, though it's not as succint. Basically same as ab...
How do I run a shell script without using “sh” or “bash” commands?
I have a shell script which I want to run without using the "sh" or "bash" commands. For example:
11 Answers
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...ange, they will change in the copied list too and vice versa.
(Here's the script if anyone's interested or wants to raise any issues:)
from copy import deepcopy
class old_class:
def __init__(self):
self.blah = 'blah'
class new_class(object):
def __init__(self):
self.blah ...
Recursively look for files with a specific extension
...and safer - deals with whitespace in filenames and directory names).
Your script is probably failing for entries that don't have a . in their name, making $extension empty.
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is node.js' console.log asynchronous?
...e console.log/debug/warn/error in node.js asynchrounous? I mean will javascript code execution halt till the stuff is printed on screen or will it print at a later stage?
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How best to determine if an argument is not sent to the JavaScript function
...Default parameters
function Test(arg1 = 'Hello', arg2 = 'World!'){
alert(arg1 + ' ' +arg2);
}
Test('Hello', 'World!'); // Hello World!
Test('Hello'); // Hello World!
Test(); // Hello World!
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R script line numbers at error?
If I am running a long R script from the command line (R --slave script.R), how can I get it to give line numbers at errors?
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Redirect stderr and stdout in Bash
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According to wiki.bash-hackers.org/scripting/obsolete, it seems to be obsolete in the sense that it is not part of POSIX, but the bash man page makes no mention of it being removed from bash in the near future. The man page does specify a preference for '&...
Calculate last day of month in JavaScript
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var month = 0; // January
var d = new Date(2008, month + 1, 0);
alert(d); // last day in January
IE 6: Thu Jan 31 00:00:00 CST 2008
IE 7: Thu Jan 31 00:00:00 CST 2008
IE 8: Beta 2: Thu Jan 31 00:00:00 CST 2008
Opera 8.54: ...
bash: Bad Substitution
This bash script gives me Bad substitution error on Ubuntu. Any help will be highly appreciated.
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