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Sorting Python list based on the length of the string
...whatever the key function returns.
EDIT: Thanks to balpha and Ruslan below for pointing out that you can just pass len directly as the key parameter to the function, thus eliminating the need for a lambda:
xs.sort(key=len)
And as Ruslan points out below, you can also use the built-in sorted functio...
error: passing xxx as 'this' argument of xxx discards qualifiers
...nst because the function doesn't need to modify the object, so the const enforces this at compile-time.
– Nawaz
Jun 12 '16 at 10:41
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python generator “send” function purpose?
... be doing all sorts of computations & callbacks etc. The alternative before this functionality would be to do something like:
def doStuff():
returnDeferred = defer.Deferred()
def gotNextResult(nextResult):
returnDeferred.callback(nextResult / 10)
def gotResult(result):
...
How do I look inside a Python object?
...)
globals()
locals()
callable()
type() and dir() are particularly useful for inspecting the type of an object and its set of attributes, respectively.
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Dealing with float precision in Javascript [duplicate]
...precision in JavaScript?
You have a few options:
Use a special datatype for decimals, like decimal.js
Format your result to some fixed number of significant digits, like this:
(Math.floor(y/x) * x).toFixed(2)
Convert all your numbers to integers
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Flask raises TemplateNotFound error even though template file exists
... a given template, by setting the EXPLAIN_TEMPLATE_LOADING option to True. For every template loaded, you'll get a report logged to the Flask app.logger, at level INFO.
This is what it looks like when a search is successful; in this example the foo/bar.html template extends the base.html template, ...
Get the latest record from mongodb collection
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@Digits what performance impact will it have if we place limit at the end also how last record is fetched when your are limiting the output to just one document and it must be the top document in collection.
– kailash y...
Iterating each character in a string using Python
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As Johannes pointed out,
for c in "string":
#do something with c
You can iterate pretty much anything in python using the for loop construct,
for example, open("file.txt") returns a file object (and opens the file), iterating over it iterates...
Configure Flask dev server to be visible across the network
...on the network (with http://[dev-host-ip]:5000 ). With Rails in dev mode, for example, it works fine. I couldn't find any docs regarding the Flask dev server configuration. Any idea what should be configured to enable this?
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Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error
I have imported framework for sending email from application in background i.e. SKPSMTPMessage Framework. Can somebody suggest why below error is shown
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