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What is the difference between 'typedef' and 'using' in C++11?
...know that in C++11 we can now use using to write type alias, like typedef s:
7 Answers
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...aceting, caching, etc.
If you want to just have a simple full text search setup, Sphinx is a better choice.
If you want to customize your search at all, Elasticsearch and Solr are the better choices. They are very extensible: you can write your own plugins to adjust result scoring.
Some example...
What's the fastest way to delete a large folder in Windows?
I want to delete a folder that contains thousands of files and folders. If I use Windows Explorer to delete the folder it can take 10-15 minutes (not always, but often). Is there a faster way in Windows to delete folders?
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How do I select a merge strategy for a git rebase?
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This is for merge strategies that come with their own set of options
git rebase <branch> -s recursive -X theirs
should work, although this patch mentions (February 2010):
The manpage says that git-rebase supports merge strategies, but the rebase
command doesn't kn...
How to write a multidimensional array to a text file?
...I know that numpy.loadtxt(...) also accepts a dtype argument, which can be set to np.string_. I would give that a shot, first and formost. There is also a numpy.fromstring(...) for parsing arrays from strings.
– Greg Kramida
Apr 11 '13 at 16:31
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Loop through all nested dictionary values?
...oid cycles (DFS):
def myprint(d):
stack = list(d.items())
visited = set()
while stack:
k, v = stack.pop()
if isinstance(v, dict):
if k not in visited:
stack.extend(v.items())
else:
print("%s: %s" % (k, v))
visited.add(k)
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What is the size of an enum in C?
I'm creating a set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possib...
Skip Git commit hooks
... @Zennichimaro Maybe you can copy that repo hook folder elsewhere, and setup a post-merge hook (git-scm.com/docs/githooks#_post_merge) which will detect if the pull affect the repo hook folder, and will propose to copy its content to your local hook folder (outside of the repo): that way, you ca...
How to force cp to overwrite without confirmation
... after doing unalias cp and copying whatever you need to copy, you can set alias back to its default by doing alias cp='cp -i'. After which, run alias cp so you can verifiy that it's back to default alias.
– jaxarroyo
Nov 15 '18 at 18:33
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Format floats with standard json module
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It's good hygiene to set it back when you're done: original_float_repr = encoder.FLOAT_REPR encoder.FLOAT_REPR = lambda o: format(o, '.2f') print json.dumps(1.0001) encoder.FLOAT_REPR = original_float_repr
– Jeff Kaufman
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