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Ruby optional parameters

...mpty' attributes to methods. The closest you can get is to pass nil: ldap_get(base_dn, filter, nil, X) However, this will set the scope to nil, not LDAP::LDAP_SCOPE_SUBTREE. What you can do is set the default value within your method: def ldap_get(base_dn, filter, scope = nil, attrs = nil) s...
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ElasticSearch - Return Unique Values

...00 } } }} A search will return something like: { "took" : 16, "timed_out" : false, "_shards" : { "total" : 2, "successful" : 2, "failed" : 0 }, "hits" : { "total" : 1000000, "max_score" : 0.0, "hits" : [ ] }, "aggregations" : { "langs" : { "buckets" : [ { "key" : "10", ...
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Using Jasmine to spy on a function without an object

...ause I'm trying to mock up an existing window function; $window.open(url, '_blank'); with the intention of opening a new tab (or window depending on browser setup). How should I be going about making sure it's calling this function and verifying that it's navigating to the right url regardless of th...
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“unpacking” a tuple to call a matching function pointer

...<<b<<" "<<c<< std::endl; }; auto params = std::make_tuple(1,2.0,"Hello"); std::apply(f, params); Just felt that should be stated once in an answer in this thread (after it already appeared in one of the comments). The basic C++14 solution is still missing in this thread....
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Matplotlib scatterplot; colour as a function of a third variable

...o scatter. To use the reversed version of any of these, just specify the "_r" version of any of them. E.g. gray_r instead of gray. There are several different grayscale colormaps pre-made (e.g. gray, gist_yarg, binary, etc). import matplotlib.pyplot as plt import numpy as np # Generate data......
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Why main does not return 0 here?

...turn integer like value via the eax register. See en.wikipedia.org/wiki/X86_calling_conventions#cdecl for more information. – Sylvain Defresne Dec 30 '11 at 10:04 2 ...
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Git: can I suppress listing of 'modified content'/dirty submodule entries in status, diff, etc?

...answered Aug 4 '11 at 2:19 kjell_kjell_ 22133 silver badges77 bronze badges ...
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Get list of passed arguments in Windows batch script (.bat)

... @MatheusRocha @echo %~n0.my_ext – matt wilkie Nov 17 '18 at 22:02 @mat...
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Is there a portable way to get the current username in Python?

... to combine os.getuid() with pwd.getpwuid(): import os import pwd def get_username(): return pwd.getpwuid( os.getuid() )[ 0 ] Refer to the pwd docs for more details: http://docs.python.org/library/pwd.html share ...
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Check if Python Package is installed

...n script, just do something like this: Python 3.3+ use sys.modules and find_spec: import importlib.util import sys # For illustrative purposes. name = 'itertools' if name in sys.modules: print(f"{name!r} already in sys.modules") elif (spec := importlib.util.find_spec(name)) is not None: # ...