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What is an abstract class in PHP?
... is a class that contains at least one abstract method, which is a method without any actual code in it, just the name and the parameters, and that has been marked as "abstract".
The purpose of this is to provide a kind of template to inherit from and to force the inheriting class to implement the ...
Numpy index slice without losing dimension information
I'm using numpy and want to index a row without losing the dimension information.
6 Answers
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Referring to a file relative to executing script
In a bash script I'm writing, I use source to include the variable defined in a configuration file. The script to be executed is act.sh , while the script to be source d is act.conf.sh , so in act.sh I have:
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
... have a class that will download a file from a https server. When I run it, it returns a lot of errors. It seems that I have a problem with my certificate. Is it possible to ignore the client-server authentication? If so, how?
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Generate full SQL script from EF 5 Code First Migrations
How do I use Entity Framework 5 Code First Migrations to create a full database script from the initial (empty) state to the latest migration?
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Git command to show which specific files are ignored by .gitignore
I am getting my feet wet with Git and have the following issue:
9 Answers
9
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Setting different color for each series in scatter plot on matplotlib
... plt.scatter(x, y, color=c)
Or you can make your own colour cycler using itertools.cycle and specifying the colours you want to loop over, using next to get the one you want. For example, with 3 colours:
import itertools
colors = itertools.cycle(["r", "b", "g"])
for y in ys:
plt.scatter(x, y...
How to pass a function as a parameter in Java? [duplicate]
...above
Using Java 8+ lambda expressions, if you have a class or interface with only a single abstract method (sometimes called a SAM type), for example:
public interface MyInterface {
String doSomething(int param1, String param2);
}
then anywhere where MyInterface is used, you can substitute ...
Facebook Post Link Image
...ain URLs though (including mine), FB doesn't seem to pick up anything, despite their being a number of images on that page.
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Invalid postback or callback argument. Event validation is enabled using '
...oblem is that ASP.NET does not get to know about this extra or removed listitem.
You got an number of options (listed below):
Disable eventvalidation (bad idea, because you lose a little of security that come with very little cost).
Use ASP.NET Ajax UpdatePanel. (Put the listbox in the Updatepanel...