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Is there a method to generate a UUID with go language
...interface and the underlying type is an array.
The library also generates v1 UUIDs and correctly generates v3 and 5 UUIDs. There are several new methods to help with printing and formatting and also new general methods to create UUIDs based off of existing data.
...
Is “double hashing” a password less secure than just hashing it once?
...;
foreach ($tests as $test) {
$hash = $test;
for ($i = 0; $i < 100; $i++) {
$hash = ourHash($hash);
}
echo "Hashing $test => $hash\n";
}
That outputs:
Hashing abc => 152
Hashing def => 152
Hashing hij => 155
Hashing klm => 155
Hrm, wow. We've generated co...
Add spaces before Capital Letters
...pend(text[i]);
}
return newText.ToString();
}
Will do it 100,000 times in 2,968,750 ticks, the regex will take 25,000,000 ticks (and thats with the regex compiled).
It's better, for a given value of better (i.e. faster) however it's more code to maintain. "Better" is often comprom...
Principal component analysis in Python
...nalysis
Usage:
p = PCA( A, fraction=0.90 )
In:
A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 columns
fraction: use principal components that account for e.g.
90 % of the total variance
Out:
p.U, p.d, p.Vt: from numpy.linalg.svd, A = U . d . Vt
p.di...
What's the difference between dependencies, devDependencies and peerDependencies in npm package.json
... |
| +- dependency3 v1.0/
|
|
+- dependency2/node_modules/
|
+- dependency3 v2.0/
Plugins, however, are ...
The quest for the Excel custom function tooltip
... Description = "is the first number, to which will be added")]
double v1,
[ExcelArgument(Name = "Addend",
Description = "is the second number that will be added")]
double v2)
{
return v1 + v2;
}
we get both the function description
and when selecting th...
Install Gem from Github Branch?
...ils', :github => 'rails', :branch => '5.0-stable' - link: bundler.io/v1.3/git.html
– Danny
Jul 5 '14 at 2:56
...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...ile (true) {
// Get values that will fool the boss
$zipcode = mt_rand(0, 100000);
$temperature = mt_rand(-80, 135);
$relhumidity = mt_rand(10, 60);
// Send message to all subscribers
$update = sprintf ("%05d %d %d", $zipcode, $temperature, $relhumidity);
$publisher->send ($update);
}</pre...
How to stop /#/ in browser with react-router?
...github.com/ReactTraining/react-router/blob/v2.0.0/docs/guides/Histories.md
v1: https://github.com/ReactTraining/react-router/blob/1.0.x/docs/guides/basics/Histories.md
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...
How to Execute SQL Server Stored Procedure in SQL Developer?
...ing script.
ALTER Proc [dbo].[DepartmentAddOrEdit]
@Id int,
@Code varchar(100),
@Name varchar(100),
@IsActive bit ,
@LocationId int,
@CreatedBy int,
@UpdatedBy int
AS
IF(@Id = 0)
BEGIN
INSERT INTO Department (Code,Name,IsActive,LocationId,CreatedBy,UpdatedBy,CreatedAt)
VALUES(@...