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When does invoking a member function on a null instance result in undefined behavior?
...an "empty lvalue," which is part of the proposed resolution to CWG defect 232, but which has not been adopted. So, with the language in both C++03 and C++0x, dereferencing the null pointer is still undefined, even if there is no lvalue-to-rvalue conversion.
– James McNellis
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
...
Anthony RoyAnthony Roy
1,66322 gold badges1313 silver badges1616 bronze badges
add a com...
How to configure MongoDB Java driver MongoOptions for production use?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How to define object in array in Mongoose schema correctly with 2d geo index
...ing criteria goes here'},
{
$push : {
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 : [ ...
When to use next() and return next() in Node.js
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How to securely save username/password (local)?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How to get different colored lines for different plots in a single figure?
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432
Matplotlib does this by default.
E.g.:
import matplotlib.pyplot as plt
import numpy as np
x ...
Null coalescing in powershell
...ephenDStephenD
2,68411 gold badge1414 silver badges2323 bronze badges
6
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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
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Dave Powers
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answered Apr 16 '13 at 15:56
kchkch
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What does @@variable mean in Ruby?
...nCagatay Kalan
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