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MongoDB drop every database
I would like to know if there're a command to drop every databases from my MongoDB?
8 Answers
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How to find nth occurrence of character in a string?
...Ced, I added an explanation and a small fix to regex. I hope it is clearer now.
– andcoz
Sep 17 '15 at 11:39
Thanks fo...
Pandas groupby: How to get a union of strings
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It seems these operations are now vectorised removing the need for apply and lambdas. I came here wondering why pandas actually concats and not return an error on summing strings.
– NelsonGon
Sep 10 '19 at 7:42
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Creating a constant Dictionary in C#
... case "elephant": return 3;
}
This is exactly what you want. And yes, I know, it's ugly.
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What does PHP keyword 'var' do?
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If it's de-deprecated, what's the best practice now in 5.3 - to use it or not to use it? Can you use it like private var $foo = 'bar';?
– Tom Auger
May 11 '11 at 15:01
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Sequence contains no elements?
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So now we know that each up vote weighs (at the moment) 31.25 pounds.
– B. Clay Shannon
Mar 13 '14 at 21:54
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UPDATE and REPLACE part of a string
...re you have date Code which is seven character something like
"32-1000"
Now you want to replace all
"32-"
With
"14-"
The SQL query you have to run is
Update Products Set Code = replace(Code, '32-', '14-') Where ...(Put your where statement in here)
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Android: install .apk programmatically [duplicate]
...s(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
That is correct now, my auto-update is working. Thanks for help. =)
Edit 20.7.2016:
After a long time, I had to use this way of updating again in another project. I encountered a number of problems with old solution. A lot of things have ...
Find index of last occurrence of a substring in a string
... really you're searching for the first occurrence in the reversed string. Knowing this, I did s[::-1] (which returns a reversed string), and then indexed the target from there. Then I did len(s) - 1 - the index found because we want the index in the unreversed (i.e. original) string.
Watch out, tho...
Custom Adapter for List View
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I know this has already been answered... but I wanted to give a more complete example.
In my example, the ListActivity that will display our custom ListView is called OptionsActivity, because in my project this Activity is goin...