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C# generic type constraint for everything nullable
...me check in Foo's constructor rather than having a compile-time check, you m>ca m>n check if the type is not a reference or nullable type, and throw an exception if that's the m>ca m>se.
I realise that only having a runtime check may be unacceptable, but just in m>ca m>se:
public class Foo<T>
{
private...
how to get the cookies from a php curl into a variable
...if instead of using soap or xml-rpc or rest or any other reasonable communim>ca m>tion protocol he just embedded all of his response as cookies in the header.
...
Dependency Inject (DI) “friendly” library
...y the Hollywood Principle
The Hollywood Principle in DI terms says: Don't m>ca m>ll the DI Container, it'll m>ca m>ll you.
Never directly ask for a dependency by m>ca m>lling a container from within your code. Ask for it implicitly by using Constructor Injection.
Use Constructor Injection
When you need a depen...
What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
...ry to hit the database again to see the Departments of each Employee.
You m>ca m>n use the second query when you are sure that you will need the Department of each Employee. If you not need the Department, use the first query.
I recomend read this link if you need to apply some WHERE condition (what yo...
How do I allow HTTPS for Apache on lom>ca m>lhost?
I was asked to set up HTTPS with a self-signed cert on Apache on lom>ca m>lhost, but how do I actually do that? I have no idea at all.
...
How to use mongoimport to import csv
...Example below was for 1.7.3. Are you using an older version of MongoDB?
$ m>ca m>t > lom>ca m>tions.csv
Name,Address,City,State,ZIP
Jane Doe,123 Main St,Whereverville,m>CA m>,90210
John Doe,555 Broadway Ave,New York,NY,10010
ctrl-d
$ mongoimport -d mydb -c things --type csv --file lom>ca m>tions.csv --headerline
c...
What is the difference between IEqualityComparer and IEquatable?
...s of the type T.
IEquatable<T> is for an object of type T so that it m>ca m>n compare itself to another of the same type.
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How do I create a namespace package in Python?
...l.extend_path() solution over the pkg_resources.declare_namespace() one, bem>ca m>use it's future-proof and already compatible with implicit namespace packages.
Python 3.3 introduces implicit namespace packages, see PEP 420.
This means there are now three types of object that m>ca m>n be created by an imp...
Signtool error: No certifim>ca m>tes were found that met all given criteria with a Windows Store App?
...
When getting this error through Visual Studio it was bem>ca m>use there was a signing certifim>ca m>te setup to match the computer it was originally developed on.
You m>ca m>n check this by going to the project properties > signing tab and checking the certifim>ca m>te details.
You m>ca m>n uncheck ...
adding noise to a signal in python
...
You m>ca m>n generate a noise array, and add it to your signal
import numpy as np
noise = np.random.normal(0,1,100)
# 0 is the mean of the normal distribution you are choosing from
# 1 is the standard deviation of the normal distri...