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How to define object in array in Mongoose schema correctly with 2d geo index
...h : {
trk : {
"lat": 50.3293714,
"lng": 6.9389939
} //inserted data is the object to be inserted
}
});
or you can set the Array of object by
db.update ({'seraching criteria goes here ' },
{
$set : {
trk : [ {
"lat": 50....
Shading a kernel density plot between two points.
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Dirk EddelbuettelDirk Eddelbuettel
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How does git store files?
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281
Git does include for each commit a full copy of all the files, except that, for the content alr...
Difference between std::result_of and decltype
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86
result_of was introduced in Boost, and then included in TR1, and finally in C++0x. Therefore re...
Android Studio Checkout Github Error “CreateProcess=2” (Windows)
...\Your_Username\AppData\Local\GitHub\PortableGit_ca477551eeb4aea0e4ae9fcd3358bd96720bb5c8\bin
Alternatively , if you don't want to add to environment variables. You can open the android studio and go to :
Settings -> Version Control -> Git
In text box next to "Path to Git Executable" you will...
static constructors in C++? I need to initialize private static objects
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182
To get the equivalent of a static constructor, you need to write a separate ordinary class to h...
Purpose of Django setting ‘SECRET_KEY’
...tructor(settings.SECRET_KEY + unicode(user.id) +
contrib/comments/forms.py:86: info = (content_type, object_pk, timestamp, settings.SECRET_KEY)
contrib/formtools/utils.py:15: order, pickles the result with the SECRET_KEY setting, then takes an md5
contrib/formtools/utils.py:32: data.app...
When to use next() and return next() in Node.js
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148
Some people always write return next() is to ensure that the execution stops after triggering th...
Java Date cut off time information
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178
The recommended way to do date/time manipulation is to use a Calendar object:
Calendar cal = Ca...
Difference between jQuery parent(), parents() and closest() functions
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178
closest() selects the first element that matches the selector, up
from the DOM tree. Begins...