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What is the equivalent of “none” in django templates?
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None, False and True all are available within template tags and filters. None, False, the empty string ('', "", """""") and empty lists/tuples all evaluate to False when evaluated by if, so you can easily do
{% if profile.user.first_name == None...
Modulus % in Django template
...ference. I wouldn't want to use cycle with modulor 100 or something :) Actually I am goint to mark this answer as the correct one. because it focuses on modulor and not a workaround...
– underdoeg
Dec 13 '11 at 19:02
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List of strings to one string
...n fact if you look at Reflector, you'll see that unsafe code was used to really optimize it. The other two also WORK, but I think the Join function was written for this purpose, and I would guess, the most efficient. I could be wrong though...
As per @Nuri YILMAZ without .ToArray(), but this is .NE...
How do I get a distinct, ordered list of names from a DataTable using LINQ?
...umn. I want to generate a collection of the unique names ordered alphabetically. The following query ignores the order by clause.
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Run task only if host does not belong to a group
...ut-other-hosts-with-magic-variables :
group_names is a list (array) of all the groups the current host is in.
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Format LocalDateTime with Timezone in Java8
...ut not a timezone including DST-rules) or ZonedDateTime. You can watch out all supported fields of such a type by look-up on the method isSupported(TemporalField).. The field OffsetSeconds is supported in OffsetDateTime and ZonedDateTime, but not in LocalDateTime.
DateTimeFormatter formatter = Date...
What are the differences between ipython and bpython?
...g.
Run functions in the background in a separate task with %bg.
A whole parallel programming environment (not really a feature you expect from an interactive Python shell, but IPython offers it).
This list could be nearly arbitrarily continued. And of course there will be lots of features in bpyt...
How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?
...or me) is the "Microsoft Advertising SDK for Windows 8.1". I like to uninstall extensions I don't need, but this one won't allow me. if I hover the (enabled!) button it says in a tooltip:
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python exception message capturing
...work, I get syntax error, what is the proper way of doing this for logging all kind of exceptions to a file
11 Answers
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What are the applications of binary trees?
...ningless - they are not a data structure, but a family of data structures, all with different performance characteristics. While it is true that unbalanced binary trees perform much worse than self-balancing binary trees for searching, there are many binary trees (such as binary tries) for which "b...