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How can I check for NaN values?
float('nan') results in Nan (not a number). But how do I check for it? Should be very easy, but I cannot find it.
17 Answe...
What does enctype='multipart/form-data' mean?
...
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>upload</title>
</head>
<body>
<form action="http://localhost:8000" method="post" enctype="multipart/form-data">
<p><input type="text" name="text1" value="text...
jQuery convert line breaks to br (nl2br equivalent)
...so includes nowrap and renders multiple spaces. Details on these and other settings (pre-wrap) at mozilla and css-tricks (thanks @Sablefoste).
While I'm generally averse to the S.O. predilection for second-guessing the question rather than answering it, in this case replacing newlines with <br&g...
Which, if any, C++ compilers do tail-recursion optimization?
... editor after snippets, if snippets enabled
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“for” vs “each” in Ruby
...require special language features.
Per Telemachus's Comment
for .. in .. sets the iterator outside the scope of the loop, so
for a in [1,2]
puts a
end
leaves a defined after the loop is finished. Where as each doesn't. Which is another reason in favor of using each, because the temp variable...
Seeking clarification on apparent contradictions regarding weakly typed languages
...m has one of the best arguments I have read.
A type may be viewed as a set of clothes (or a suit of armor) that
protects an underlying untyped representation from arbitrary or
unintended use. It provides a protective covering that hides the
underlying representation and constrains the way ...
javascript: Clear all timeouts?
...ecutive integers.
So you may clear all timeouts like so:
var id = window.setTimeout(function() {}, 0);
while (id--) {
window.clearTimeout(id); // will do nothing if no timeout with id is present
}
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...
multiple prints on the same line in Python
...E]")
The print function accepts an end parameter which defaults to "\n". Setting it to an empty string prevents it from issuing a new line at the end of the line.
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...
File to byte[] in Java
How do I convert a java.io.File to a byte[] ?
25 Answers
25
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boost::flat_map and its performance compared to map and unordered_map
... recommend doing this:
u64 g_correctionFactor; // number of clocks to offset after each measurement to remove the overhead of the measurer itself.
u64 g_accuracy;
static u64 const errormeasure = ~((u64)0);
#ifdef _MSC_VER
#pragma intrinsic(__rdtsc)
inline u64 GetRDTSC()
{
int a[4];
__cpu...