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How to get index in Handlebars each helper?
...ts/handlebars.js/issues/250#issuecomment-9514811
The index of the current array item has been available for some time now via @index:
{{#each array}}
{{@index}}: {{this}}
{{/each}}
For object iteration, use @key instead:
{{#each object}}
{{@key}}: {{this}}
{{/each}}
...
Encrypt and decrypt a string in C#?
... }
outStr = Convert.ToBase64String(msEncrypt.ToArray());
}
}
finally
{
// Clear the RijndaelManaged object.
if (aesAlg != null)
aesAlg.Clear();
}
// Return the encrypted bytes fro...
PHP exec() vs system() vs passthru()
...o the output stream, it gives you the opportunity to put this text in
an array returned in the second parameter to the function:
The shell_exec() Function
Most of the programs we have been executing thus far have been, more
or less, real programs1. However, the environment in which Win...
Scanner vs. StringTokenizer vs. String.Split
...ible, but arguably doesn't give you the simplest API for simply getting an array of strings delimited by a particular expression.
String.split() and Pattern.split() give you an easy syntax for doing the latter, but that's essentially all that they do. If you want to parse the resulting strings, or c...
Best Practices for Laravel 4 Helpers and Basic Functions?
...al.php to add app_path().'/libraries' to the ClassLoader::addDirectories( array.
Option 2: Edit composer.json to add "app/libraries" to the autoload array. Run composer dump-autoload
Call your class and static functions from your views.
About your options, quoted from the global.php file
In a...
How do you create a random string that's suitable for a session ID in PostgreSQL?
...nd if;
for i in 1..length loop
result := result || chars[1+random()*(array_length(chars, 1)-1)];
end loop;
return result;
end;
$$ language plpgsql;
And the usage:
select random_string(15);
Example output:
select random_string(15) from generate_series(1,15);
random_string
---------...
How to check if a table exists in a given schema
...lname_exists(anyThing), relname_normalized(anyThing) and relnamechecked_to_array(anyThing). All checks from pg_catalog.pg_class table, and returns standard universal datatypes (boolean, text or text[]).
/**
* From my old SwissKnife Lib to your SwissKnife. License CC0.
* Check and normalize to arr...
How to convert a NumPy array to PIL image applying matplotlib colormap
...
Quite a busy one-liner, but here it is:
First ensure your NumPy array, myarray, is normalised with the max value at 1.0.
Apply the colormap directly to myarray.
Rescale to the 0-255 range.
Convert to integers, using np.uint8().
Use Image.fromarray().
And you're done:
from PIL import Im...
Unpacking array into separate variables in JavaScript
...
You can use array's apply function if you want an array items to be passed as a function arguments.
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How much faster is C++ than C#?
...made to the C++ code were:
1) used vector::reserve()
2) flattened the 2d array to 1d to achieve better cache locality (contiguous block)
C# (.NET 4.6.1)
private static void TestArray()
{
const int rows = 5000;
const int columns = 9000;
DateTime t1 = System.DateTime.Now;
double[][...