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Converting Dictionary to List? [duplicate]
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Converting from dict to list is made easy in Python. Three examples:
>> d = {'a': 'Arthur', 'b': 'Belling'}
>> d.items()
[('a', 'Arthur'), ('b', 'Belling')]
>> d.keys()
['a', 'b']
>> d.values()
['Arthur', 'Belling']
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Delete all tags from a Git repository
I want to delete all the tags from a Git repository. How can I do that?
11 Answers
11
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Passing parameters to addTarget:action:forControlEvents
...wsDetails: method here. You just create a selector to make button able to call it when certain action occurs (touch up in your case). Controls can use 3 types of selectors to respond to actions, all of them have predefined meaning of their parameters:
with no parameters
action:@selector(switchToN...
Why call git branch --unset-upstream to fixup?
.... Once local branch L is set to track remote-tracking branch R, Git will call R its "upstream" and tell you whether you're "ahead" and/or "behind" the upstream (in terms of commits). It's normal (even recommend-able) for the local branch and remote-tracking branches to use the same name (except fo...
Python subprocess/Popen with a modified environment
...viron.copy >>> env['foo'] = 'bar' Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: 'instancemethod' object does not support item assignment
– user1338062
Nov 22 '12 at 13:45
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What is the difference between “instantiated” and “initialized”?
... it to be. The value is what you assign to it.
Variables are Initialized
All variables are always given an initial value at the point the variable is declared. Thus all variables are initialized.
For value types, like int the compiler will give them a valid value if you do not do so explicitly. i...
Why is Multiple Inheritance not allowed in Java or C#?
I know that multiple inheritance is not allowed in Java and C#. Many books just say, multiple inheritance is not allowed. But it can be implemented by using interfaces. Nothing is discussed about why it is not allowed. Can anybody tell me precisely why it is not allowed?
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HttpServletRequest to complete URL
...ppend(scheme).append("://").append(serverName);
if (serverPort != 80 && serverPort != 443) {
url.append(":").append(serverPort);
}
url.append(contextPath).append(servletPath);
if (pathInfo != null) {
url.append(pathInfo);
}
if (queryString != null) ...
How to use onSavedInstanceState example please
... will restore information. It would be helpful if someone can provide an example.
The Dev guide doesn't do a good job of explaining this.
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Why does sudo change the PATH?
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Yeah, but it's totally counterintuitive. It probably fools the good guys more than the bad guys.
– Brian Armstrong
Jun 20 '09 at 2:24
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