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In Python, how do I iterate over a dictionary in sorted key order?
...diu said, iteritems does not work for Python 3.x, but items() is available from Python 2.6.
– Remi
Oct 1 '11 at 17:30
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psql: FATAL: role “postgres” does not exist
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NOTE: If you installed postgres using homebrew, see the comment from @user3402754 below.
Note that the error message does NOT talk about a missing database, it talks about a missing role. Later in the login process it might also stumble over the missing database.
But the first step is ...
How to access the GET parameters after “?” in Express?
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Mind that req.params is different from req.query! expressjs.com/en/api.html#req.params expressjs.com/en/api.html#req.query @adelriosantiago
– caesarsol
Jan 14 '19 at 11:28
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Has anyone used Coffeescript for a production application? [closed]
... could agree, that there's little cause for concern. It's entirely likely, from the text I've given, that we've simply converted already working javascript into coffeescript, hence no serious debugging is yet required
– PandaWood
Jan 30 '12 at 0:58
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Good or bad practice? Initializing objects in getter
...onstruction of the object could be unsuccessful, resulting in an exception from a property getter. This is yet another violation of POLS and therefore should be avoided. Even the section on properties in the "Design Guidelines for Developing Class Libraries" explicitly states that property getters s...
Highlight bash/shell code in markdown
...vided a bit more details on how to deduce language specifiers for Markdown from the linked file above here: stackoverflow.com/a/45786100/6884590, in case that's useful to anyone finding this question.
– pchaigno
Jan 8 '18 at 12:07
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What is the difference between .text, .value, and .value2?
...alue or .Text is usually a bad idea because you may not get the real value from the cell, and they are slower than .Value2
For a more extensive discussion see my Text vs Value vs Value2
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How do you Encrypt and Decrypt a PHP String?
...rary:
$string = $keyObject->saveToAsciiSafeString()
$loaded = Key::loadFromAsciiSafeString($string);
"But I really want to use a password."
That's a bad idea, but okay, here's how to do it safely.
First, generate a random key and store it in a constant.
/**
* Replace this with your own salt!
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How do I remove blank elements from an array?
I have the following array
20 Answers
20
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How to trace the path in a Breadth-First Search?
...ue
queue.append([start])
while queue:
# get the first path from the queue
path = queue.pop(0)
# get the last node from the path
node = path[-1]
# path found
if node == end:
return path
# enumerate all adjacent nodes, constru...