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CSS Classes & SubClasses
...t to be able to have subclasses that are under a class to use the CSS specifically for that class.subclass.
11 Answers
...
How to implement Enums in Ruby?
... do
@attrs & num != 0
end
define_method(name + '=') do |set|
if set
@attrs |= num
else
@attrs &= ~num
end
end
end
public
def initialize(attrs = 0)
@attrs = attrs
end
def to_i
@attrs
end
end
Which can be used like s...
What's the meaning of 'origin' in 'git push origin master'
... when you clone a repository for the first time, git clone will by default set up a remote called origin to refer to the URL that you cloned from.
If you do git remote -v that will show you all the remotes you have set up in your local repository, and the URLs that they refer to. (You'll see that ...
Getting the difference between two repositories
How can we get the difference between two git repositories?
11 Answers
11
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How to know if two arrays have the same values
...
If you don't care about the order of the members of the arrays, ES2015+'s Set may be a better data structure than Array. See the MDN notes on how to implement isSuperset and difference using dangerous monkey-patching.
share...
Creating an index on a table variable
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
How to check version of python modules?
...
I suggest using pip in place of easy_install. With pip, you can list all installed packages and their versions with
pip freeze
In most linux systems, you can pipe this to grep(or findstr on Windows) to find the row for the particular package you're in...
Exception thrown in catch and finally clause
...rentException = null;
As each exception is thrown, "currentException" is set to that exception. When the application ends, if currentException is != null, then the runtime reports the error.
Also, the finally blocks always run before the method exits. You could then requite the code snippet to:
...
“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
...owever not in the case of appending elements to the uninitialized array. isset() language construct can be used to detect if a variable has been already initialized. Additionally and more ideal is the solution of empty() since it does not generate a warning or error message if the variable is not in...
What is a vertical tab?
...ame way horizontal tabs move along a line by 8 characters).
In modern day settings, the vt is of very little, if any, significance.
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