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How to get current time and date in C++?
...this:
finished computation at Mon Oct 2 00:59:08 2017
elapsed time: 1.88232s
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Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
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Generically, a covariant type parameter is one which is allowed to vary down as the class is subtyped (alternatively, vary with subtyping, hence the "co-" prefix). More concretely:
trait List[+A]
List[Int] is a subtype of List[A...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
I've installed and have been using the Anaconda Python distribution, and I have started using the Anaconda (Conda) environment. I can use the standard conda install... command to put packages from the distribution into my environments, but to use anything outside (i.e. Flask-WTF, flask-sqlalchem...
What is the best way to check for Internet connectivity using .NET?
...google.com does not return some HTML :)
– Daniel Vassallo
Jan 9 '10 at 1:01
3
@Daniel: true on th...
Get property value from string using reflection
...fferentiate between a null value of an existing property or no property at all? I'd much rather know immediately that I was sending in a bad property name. This is not production code, but a better improvement would be to throw a more specific exception (e.g. check for null on GetProperty and throw ...
How do you clear the SQL Server transaction log?
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Making a log file smaller should really be reserved for scenarios where it encountered unexpected growth which you do not expect to happen again. If the log file will grow to the same size again, not very much is accomplished by shrinking it tem...
How can I access an object property named as a variable in php?
...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...
Programmatically selecting text in an input field on iOS devices (mobile Safari)
How do you programmatically select the text of an input field on iOS devices, e.g. iPhone, iPad running mobile Safari?
10 A...
Is is possible to check if an object is already attached to a data context in Entity Framework?
... if (attach)
context.AttachTo(entitySetName, entity);
}
You can call it as follows:
User user = new User() { Id = 1 };
II.AttachToOrGet<Users>("Users", ref user);
This works very nicely because it's just like context.AttachTo(...) except you can use the ID trick I cited above each...
Remove CSS class from element with JavaScript (no jQuery) [duplicate]
...impler than regular expressions and splitting className into parts and manually traversing them.
– Victor Zamanian
Feb 12 '13 at 23:16
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