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How to keep onItemSelected from firing off on a newly instantiated Spinner?
...ple boolean flag would allow you to detect the rogue first selection event and ignore it.
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What's the scope of the “using” declaration in C++?
I'm using the 'using' declaration in C++ to add std::string and std::vector to the local namespace (to save typing unnecessary 'std::'s).
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OS X Bash, 'watch' command
I'm looking for the best way to duplicate the Linux 'watch' command on Mac OS X. I'd like to run a command every few seconds to pattern match on the contents of an output file using 'tail' and 'sed'.
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Why do Java webapps use .do extension? Where did it come from?
...Ls that will be
processed by the controller servlet --
prefix matching and extension
matching. An appropriate mapping entry
for each approach will be described
below.
Prefix matching means that you want
all URLs that start (after the context
path part) with a particular value to
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What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl
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.classA.classB refers to an element that has both classes A and B (class="classA classB"); whereas .classA .classB refers to an element with class="classB" descended from an element with class="classA".
Edit: Spec for reference: Attribute Selectors (See section 5.8.3 Class Selectors)...
How do I forward declare an inner class? [duplicate]
...ned first
Create a common base class that can be both used in the function and implemented by the nested class.
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How can I clear the SQL Server query cache?
... is conducted in SQL Server the best approach may be to issue a CHECKPOINT and then issue the DBCC DROPCLEANBUFFERS command. Although the CHECKPOINT process is an automatic internal system process in SQL Server and occurs on a regular basis, it is important to issue this command to write all of the...
How to check if a word is an English word with Python?
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For (much) more power and flexibility, use a dedicated spellchecking library like PyEnchant. There's a tutorial, or you could just dive straight in:
>>> import enchant
>>> d = enchant.Dict("en_US")
>>> d.check("Hello")
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How to validate an e-mail address in swift?
... edited Dec 30 '19 at 7:17
Zandor Smith
34833 silver badges1717 bronze badges
answered Aug 24 '14 at 11:20
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Flatten nested dictionaries, compressing keys
...iterating the dict by key/value, creating new keys for your new dictionary and creating the dictionary at final step.
import collections
def flatten(d, parent_key='', sep='_'):
items = []
for k, v in d.items():
new_key = parent_key + sep + k if parent_key else k
if isinstan...