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How to find difference between two Joda-Time DateTimes in minutes
...DateTime objects in milliseconds:
DateTime d1 = new DateTime();
DateTime d2 = new DateTime();
long diffInMillis = d2.getMillis() - d1.getMillis();
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Unpacking, extended unpacking and nested extended unpacking
...et's see how it works for a slightly more complex example:
(a,b), c, = [1,2],'this' # a = '1', b = '2', c = 'this'
Applying the above rules, we get
((a, b), c) = ((1, 2), ('t', 'h', 'i', 's'))
But now it's clear from the structure that 'this' won't be unpacked, but assigned directl...
How to sort mongodb with pymongo
...d", 1)
For multiple fields:
.sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)])
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AngularJS changes URLs to “unsafe:” in extension page
.../^\s*(https?|ftp|mailto|chrome-extension):/);
// Angular before v1.2 uses $compileProvider.urlSanitizationWhitelist(...)
}
]);
The same procedure also applies when you need to use protocols such as file: and tel:.
Please see the AngularJS $compileProvider API documentation for more in...
How to limit UITableView row reordering to a section
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edited Jun 13 '12 at 20:40
community wiki
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[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
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274
I am using VS2013, MVC 5.2.2.0, Web Api 2. I have just changed the all versions from 2.0.0.0 t...
Why does direction of index matter in MongoDB?
... ascending the index might look something like this:
Row A B
1 1 1
2 2 6
3 2 7
4 3 4
5 3 5
6 3 6
7 5 1
A query for A ascending B descending will need to jump around the index out of order to return the rows and will be slower. For example it will return Row 1, 3, 2...
RuntimeWarning: invalid value encountered in divide
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edited Jul 5 '17 at 21:45
evadeflow
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answered Apr 16 '14 ...
NuGet Package Manager errors when trying to update
Opening VS2010 today, the extension manager notified me of an update for NuGet Package Manager.
4 Answers
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Updating MySQL primary key
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235
Next time, use a single "alter table" statement to update the primary key.
alter table xx dro...