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Mongoose indexing in production code
...erstood why the Mongoose documentation so broadly recommends disabling autoIndex in production. Once the index has been added, subsequent ensureIndex calls will simply see that the index already exists and then return. So it only has an effect on performance when you're first creating the index, a...
Why dict.get(key) instead of dict[key]?
...f you do not give the second parameter, None will be returned.
If you use indexing as in dictionary['Year'], nonexistent keys will raise KeyError.
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How can I get dictionary key as variable directly in Python (not by searching from value)?
... Python3.5: TypeError: 'dict_items' object does not support indexing
– Sinux
Aug 19 '16 at 2:10
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How do I get a Cron like scheduler in Python? [closed]
...w()).seconds)
A few things to note: Python's weekdays / months are zero indexed (unlike cron), and that range excludes the last element, hence syntax like "1-5" becomes range(0,5) - ie [0,1,2,3,4]. If you prefer cron syntax, parsing it shouldn't be too difficult however.
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How to get index using LINQ? [duplicate]
...(such as Dictionary or HashSet) are not.
Therefore, LINQ does not have an IndexOf method.
However, you can write one yourself:
///<summary>Finds the index of the first item matching an expression in an enumerable.</summary>
///<param name="items">The enumerable to search.</pa...
MPICH vs OpenMPI
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MPICH supports affinity. wiki.mpich.org/mpich/index.php/…
– Jeff
May 26 '19 at 20:23
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Can I access constants in settings.py from templates in Django?
...shortcuts import render
def my_view(request):
return render(request, "index.html")
and finally, in your template:
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<a href="{{ ADMIN_MEDIA_URL }}">path to admin media</a>
...
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Do try/catch blocks hurt performance when exceptions are not thrown?
...guage features to behave correctly, and optimize what we can control (sql, indexes, algorithms).
– Kobi
Aug 22 '09 at 16:13
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How to specify Composer install path?
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That works well -- so they still have a repository after all :)
– Tower
Aug 9 '12 at 13:07
3
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Index of Currently Selected Row in DataGridView
It's that simple. How do I get the index of the currently selected Row of a DataGridView ? I don't want the Row object, I want the index (0 .. n).
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