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Easy way to prevent Heroku idling?
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As an alternative to Pingdom I suggest trying Uptimerobot. It is free and offers 5 min interval site checking. It works very fine for me.
UPDATE 7th of May 2015: This will not be possible any more, as Heroku will change their free dyno to prevent keeping it alive for full...
What is the difference between a definition and a declaration?
The meaning of both eludes me.
23 Answers
23
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Where does Java's String constant pool live, the heap or the stack?
...l Machine Specification, the area for storing string literals is in the runtime constant pool. The runtime constant pool memory area is allocated on a per-class or per-interface basis, so it's not tied to any object instances at all. The runtime constant pool is a subset of the method area which "...
Is an empty href valid?
One of our web developers uses the following html as a placeholder for styling a drop down list.
10 Answers
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Copy file or directories recursively in Python
...dst_file)
shutil.copy(src_file, dst_dir)
Should it be your first time and you have no idea how to copy files and folders recursively, I hope this helps.
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Accessing Imap in C# [closed]
Is there a built-in method to access an Imap server (with SSL) in C# or is there a good free library?
6 Answers
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Similarity String Comparison in Java
I want to compare several strings to each other, and find the ones that are the most similar. I was wondering if there is any library, method or best practice that would return me which strings are more similar to other strings. For example:
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Validating with an XML schema in Python
...e more than one file, there is no need to create an XMLSchema object every time, therefore:
validator.py
from lxml import etree
class Validator:
def __init__(self, xsd_path: str):
xmlschema_doc = etree.parse(xsd_path)
self.xmlschema = etree.XMLSchema(xmlschema_doc)
def v...
jQuery event to trigger action when a div is made visible
...d to the original .show() method so you don't have to trigger events every time you show something or if you need it to work with legacy code:
Jquery extension:
jQuery(function($) {
var _oldShow = $.fn.show;
$.fn.show = function(speed, oldCallback) {
return $(this).each(function() {
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Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
...E DATABASE_DEFAULT = otherfieldname COLLATE DATABASE_DEFAULT
Works every time. :)
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