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MongoDB: Is it possible to make a case-insensitive query?
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UPDATE:
The original answer is now obsolete. Mongodb now supports advanced full text searching, with many features.
ORIGINAL ANSWER:
It should be noted that searching with regex's case insensitive /i means that mongodb cannot search by index, so queries ...
Get current time in milliseconds in Python?
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@ParallelUniverse: .utcnow() uses GetSystemTimeAsFileTime() on recent CPython on Windows. Wouldn't time.clock() call (QueryPerformanceCounter()) introduce more noise than it might reduce? See Precision is not the same as accuracy.
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
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Small improvements now possible since post. Paginator now has a page_range property to avoid boilerplate. If in search of minimal memory overhead, you can use object_list.iterator() which will not populate the queryset cache. prefetch_relat...
How to use a class from one C# project with another C# project
...is select the solution file, right click --> Add --> New Project)
I now have two project in the same solution
Step3:
As Paul Ruane stated. go to references in the solution explorer (if closed it's in the view tab of the compiler). DoubleProjectTwo is the one needing functions/methods of Dou...
How can I change the color of a Google Maps marker?
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Material Design
EDITED MARCH 2019 now with programmatic pin color,
PURE JAVASCRIPT, NO IMAGES, SUPPORTS LABELS
no longer relies on deprecated Charts API
var pinColor = "#FFFFFF";
var pinLabel = "A";
// Pick your pin (hole or no hole)
var ...
What is a difference between
... arrays are what we call reifiable types. This means that at runtime Java knows that this array was actually instantiated as an array of integers which simply happens to be accessed through a reference of type Number[].
So, as you can see, one thing is the actual type of the object, and another thin...
Set cellpadding and cellspacing in CSS?
... cellspacing attributes are removed in HTML5, so CSS is the only way to go now.
– Ignas2526
Nov 22 '13 at 19:10
14
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fastest (low latency) method for Inter Process Communication between Java and C/C++
...th taskset:
TCP - 25 microseconds
Named pipes - 15 microseconds
Now explicitly specifying core masks, like taskset 1 java Srv or taskset 2 java Cli:
TCP, same cores: 30 microseconds
TCP, explicit different cores: 22 microseconds
Named pipes, same core: ...
Nullable type as a generic parameter possible?
...val = reader[columnName];
return (val == DBNull.Value ? null : val);
}
Now you don't need the explicit type hinting on the RHS:
int? value = myDataReader.GetNullableValue("MyColumnName");
In fact, you don't need it anywhere!
var value = myDataReader.GetNullableValue("MyColumnName");
value will...
Fast permutation -> number -> permutation mapping algorithms
...elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
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