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leading zeros in rails
...at kind with:
result_string = '%02i' % your_integer
This is independent from how it gets saved in the db.
RDoc Documentation
Explanation & Examples
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Dynamically Changing log4j log level
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Here you go: This is a snippet from the Controller where we use it. We have an admin page with some links to dynamically reconfigure logging, which then makes a GET to the link /admin/setLogLevel?level=Error and then we catch this in the controller lik...
How to @link to a Enum Value using Javadoc
...is defined within class A and one is trying to reference one of its values from class B javadoc? I've found neither A.Planet#EARTH nor A#Planet#EARTH to work for OpenJDK 1.6 update 24 javadoc, although eclipse knows to find declaration with A.Planet#EARTH style.
– Stevo Slavi...
Simple proof that GUID is not unique [closed]
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Cool - how much for the complete set, from 0 to (2^128)-1 ?
– Steve314
Nov 10 '09 at 4:06
23
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What is the best way to implement nested dictionaries?
...not inspecting the data on would be as useful as implementing __missing__:
from collections import defaultdict
def vivdict():
return defaultdict(vivdict)
But if you need to inspect your data, the results of an auto-vivified defaultdict populated with data in the same way looks like this:
>&...
How to convert array values to lowercase in PHP?
...k($yourArray, function(&$value)
{
$value = strtolower($value);
});
From PHP docs:
If callback needs to be working with the actual values of the array, specify the first parameter of callback as a reference. Then, any changes made to those elements will be made in the original array itse...
Getting vertical gridlines to appear in line plot in matplotlib
...ontal grid lines are appearing by default. I am using a pandas.DataFrame from an sql query in python to generate a line plot with dates on the x-axis. I'm not sure why they do not appear on the dates and I have tried to search for an answer to this but couldn't find one.
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c# datatable insert column at position 0
...SetOrdinal(3);
//3 is the position number and positions start from 0.`enter code here`
//Now the table structure will be:
// ID FirstName LastName LastName PhoneNo Address City
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Rails I18n validation deprecation warning
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Is there a difference between foo(void) and foo() in C++ or C?
...res where introduced, the C committee had to disambiguate the no-parameter from the old syntax, and introduced the void foo(void) syntax. C++ took it for the sake of compatibility.
– Matthieu M.
Sep 14 '11 at 8:14
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