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Single vs double quotes in JSON
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If you need to use double quotes all around, you can call json.dumps(..) twice as in: import json; d = dict(tags=["dog", "cat", "mouse"]); print json.dumps(json.dumps(d)) which gives: "{\"tags\": [\"dog\", \"cat\", \"mouse\"]}"
– rpras...
SSL Error: CERT_UNTRUSTED while using npm command
I am trying to install express framework using npm command but getting following error.
7 Answers
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Canary release strategy vs. Blue/Green
...old until someone flips a feature toggle. Breaking your application into small, independently releaseable services is another, since there is less to test and less that can break.
You need to do a canary release if you're not completely certain that the new version will function correctly in produc...
How to prevent a click on a '#' link from jumping to top of page?
...edirect at the moment. Preventing default behavior of action not needed at all is a kind of advice like: take the knife, grab the blade and hammer the nails using the handle :) Take a right tool for the job!
– takeshin
Jul 15 '10 at 7:14
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Receive JSON POST with PHP
...ontents('php://input'), true);
This will save you the hassle of changing all $_POST to something else and allow you to still make normal post requests if you wish to take this line out.
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im...
How can I color Python logging output?
...ication with colored output, presumably because of its log system (because all the messages were standardized).
30 Answers...
Why does this iterative list-growing code give IndexError: list assignment index out of range?
...or l in i:
j.append(l)
Of course, you'd never do this in practice if all you wanted to do was to copy an existing list. You'd just do:
j = list(i)
Alternatively, if you wanted to use the Python list like an array in other languages, then you could pre-create a list with its elements set to ...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...ble_name
end
end
I had to go and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rena...
How to pass optional arguments to a method in C++?
... do_something();
else
do_something_else();
}
you can call myfunc in both ways and both are valid
myfunc(10); // Mode will be set to default 0
myfunc(10, 1); // Mode will be set to 1
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Mocking vs. Spying in mocking frameworks
...ate spies of real objects. When you use the spy then the real methods are called (unless a method was stubbed).
Real spies should be used carefully and occasionally, for example when dealing with legacy code.
When in doubt, use mocks.
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