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Why does !{}[true] evaluate to true in JavaScript?
...true, but undefined, and undefined is evaluated as false:
http://jsfiddle.net/67GEu/
'use strict';
var b = {}[true];
alert(b); // undefined
b = !{}[true];
alert(b); // true
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How do I read an entire file into a std::string in C++?
...ing it a oneliner? I'd always opt for legible code. As a self-professed VB.Net enthusiast (IIRC) I think you should understand the sentiment?
– sehe
Sep 21 '12 at 14:32
5
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Bad value X-UA-Compatible for attribute http-equiv on element meta
... support as Chrome Frame ignores IE conditional comments, see jeffreybarke.net/2010/08/…
– Jasper Moelker
Jun 17 '13 at 11:34
5
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How to force a web browser NOT to cache images
...close();
// no-cache headers - complete set
// these copied from [php.net/header][1], tested myself - works
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Some time in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache,...
Only read selected columns
...wnload and save the the CSV JDBC driver from this link: http://sourceforge.net/projects/csvjdbc/files/latest/download
> library(RJDBC)
> path.to.jdbc.driver <- "jdbc//csvjdbc-1.0-18.jar"
> drv <- JDBC("org.relique.jdbc.csv.CsvDriver", path.to.jdbc.driver)
> conn <- dbConnect(d...
PHP DOMDocument loadHTML not encoding UTF-8 correctly
... and still had bad encoding on importing node from one DOC to another. php.net/manual/en/function.mb-convert-encoding.php was the fix.
– Louis Loudog Trottier
Mar 6 '17 at 21:43
6
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UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
...eeper into this and found the best solutions are here.
http://blog.notdot.net/2010/07/Getting-unicode-right-in-Python
In my case I solved "UnicodeEncodeError: 'charmap' codec can't encode character "
original code:
print("Process lines, file_name command_line %s\n"% command_line))
New code:
p...
Should one use < or
...
@Chris, Your statement about .Length being costly in .NET is actually untrue and in the case of simple types the exact opposite.
int len = somearray.Length;
for(i = 0; i < len; i++)
{
somearray[i].something();
}
is actually slower than
for(i = 0; i < somearray.Length...
How to find the largest file in a directory and its subdirectories?
... sort program to me. This is the man page for my sort program -- linux.die.net/man/1/sort For this to work on my machine you would need to explicitly use the -k arg eg. sort -k 7. edit: by OSX 10.5 the man page for sort seems to have changed to the version I have.
– Dunes
...
Centering floating divs within another div
...after { clear: both; }
.clearfix { *zoom: 1; }
JSFiddle: http://jsfiddle.net/MJ9yp/
This will work in IE8 and up, but not earlier (surprise, surprise!)
I do not recall the source of this method unfortunately, so I cannot give credit to the original author. If anybody else knows, please post the ...