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Select records from NOW() -1 Day
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answered Dec 17 '11 at 11:39
Jon SkeetJon Skeet
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MongoDB: Combine data from multiple collections into one..how?
...b.users.save({firstName:"Sarah",lastName:"T",gender:"F",country:"US",age:"13"});
var users = db.users.find();
db.comments.save({userId: users[0]._id, "comment": "Hey, what's up?", created: new ISODate()});
db.comments.save({userId: users[1]._id, "comment": "Not much", created: new ISODate()});
db.co...
Joining two lists together
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Sipo
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answered Oct 6 '09 at 21:24
ChrisF♦ChrisF
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What is the best way to do a substring in a batch file?
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3 Answers
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Get int value from enum in C#
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enum StarsInMilkyWay:long {Sun = 1, V645Centauri = 2 .. Wolf424B = 2147483649};
you should use
long something = (long)StarsInMilkyWay.Wolf424B;
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Can existing virtualenv be upgraded gracefully?
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63
You can use the Python 2.6 virtualenv to "revirtual" the existing directory. You will have to re...
WPF: ItemsControl with scrollbar (ScrollViewer)
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Save image from URL by paperclip
... Nicolas BlancoNicolas Blanco
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How to convert 2D float numpy array to 2D int numpy array?
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Use the astype method.
>>> x = np.array([[1.0, 2.3], [1.3, 2.9]])
>>> x
array([[ 1. , 2.3],
[ 1.3, 2.9]])
>>> x.astype(int)
array([[1, 2],
[1, 2]])
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Why does changing 0.1f to 0 slow down performance by 10x?
...) {
double start = omp_get_wtime();
const float x[16]={1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3,2.4,2.5,2.6};
const float z[16]={1.123,1.234,1.345,156.467,1.578,1.689,1.790,1.812,1.923,2.034,2.145,2.256,2.367,2.478,2.589,2.690};
float y[16];
for(int i=0;i<16;i++)
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