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Function Pointers in Java
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@zneak, @Raedwald: You can do this in C by passing along a pointer to user data (eg: struct). (and can encapsulate it with each new level of callback indirection) It's actually fairly clean.
– brice
Jun 10 '11 at ...
Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
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I don't think so, necessarily. IDisposable technically is meant to be used for things that have non-managed resources, but then the using directive is just a neat way of implementing a common pattern of try .. finally { dispos...
How do you remove the title text from the Android ActionBar?
...for hiding the title on first launch. In another activity calling setTitle doesn't work. Is there a way to swap action bar styles at runtime?
– speedynomads
Oct 23 '13 at 13:57
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How do I return multiple values from a function? [closed]
...o create and more powerful. Inheriting from typing.NamedTuple lets you use docstrings, default values, and type annotations.
Example (From the docs):
class Employee(NamedTuple): # inherit from typing.NamedTuple
name: str
id: int = 3 # default value
employee = Employee('Guido')
assert em...
How do I find where JDK is installed on my windows machine?
...orks/JavaVM.framework/Versions/Current/Commands/java
If you are using Windows:
c:\> for %i in (java.exe) do @echo. %~$PATH:i
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Is there a short contains function for lists?
... list to see if an item exists in a list, but is there a quick way to just do?:
4 Answers
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Reusing output from last command in Bash
...uldn't agonize over it recomputing. It's certainly useful when you want to do something like git diff $(!!) where the previous command was a find invocation.
– Sridhar Sarnobat
Apr 4 '18 at 0:32
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What are the best practices for catching and re-throwing exceptions?
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You should not be catching the exception unless you intend to do something meaningful.
"Something meaningful" might be one of these:
Handling the exception
The most obvious meaningful action is to handle the exception, e.g. by displaying an error message and aborting the operation:
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Remove a git commit which has not been pushed
...d a git commit but I have not pushed it to the repository yet.
So when I do git status , I get '# Your branch is ahead of 'master' by 1 commit.
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How to do a recursive find/replace of a string with awk or sed?
How do I find and replace every occurrence of:
35 Answers
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