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PHP: Count a stdClass object
...urn the right number when I run the count($obj) function. The object has 30 properties, but the return on the count() function is say 1.
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How to avoid scientific notation for large numbers in JavaScript?
...tific notation if the number is >= 1e21 and has a maximum precision of 20. Other than that, you can roll your own, but it will be messy.
function toFixed(x) {
if (Math.abs(x) < 1.0) {
var e = parseInt(x.toString().split('e-')[1]);
if (e) {
x *= Math.pow(10,e-1);
x = ...
awk without printing newline
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answered Jan 7 '10 at 16:56
CodeRainCodeRain
5,18444 gold badges2323 silver badges3232 bronze badges
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A simple explanation of Naive Bayes Classification
...les, would receive misleadingly high scores.
In general, for an example, 70% of our data can be used as training set cases. Also remember to partition the original set into the training and test sets randomly.
Now I come to your other question about Naive Bayes.
To demonstrate the concept of Naï...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
... }
using (Rfc2898DeriveBytes bytes = new Rfc2898DeriveBytes(password, 0x10, 0x3e8))
{
salt = bytes.Salt;
buffer2 = bytes.GetBytes(0x20);
}
byte[] dst = new byte[0x31];
Buffer.BlockCopy(salt, 0, dst, 1, 0x10);
Buffer.BlockCopy(buffer2, 0, dst, 0x11, 0x20);
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How to create a cron job using Bash automatically without the interactive editor?
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20 Answers
20
Active
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Custom Python list sorting
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60
It's documented here.
The sort() method takes optional arguments for controlling the
comp...
Why does the C# compiler go mad on this nested LINQ query?
...machine) and very long time to compile (actually I get IO exception after 10 minutes).
1 Answer
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Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
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You need to divide by 255.0
Because I hardly ever use values between 1.0 and 0.0, I created a very simple UIColor category that does the messy looking division by itself: (from http://github.com/Jon889/JPGeneral)
//.h file
@interface UIColor (JPExtr...
How to count duplicate value in an array in javascript
...];
array_elements.sort();
var current = null;
var cnt = 0;
for (var i = 0; i < array_elements.length; i++) {
if (array_elements[i] != current) {
if (cnt > 0) {
document.write(current + ' comes --> ' + cnt + ' times<br>');
...