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What is the difference between a stored procedure and a view?
... for user_id 25, where the 25 is your parameter.
There is obviously a lot more detail, this is just the basic idea.
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Is it possible to create a “weak reference” in javascript?
...ove-reference method, and when there are no manually-tracked references anymore then entry can be deleted, leaving future lookups on that key to return null.
This is not really a weakref, but it can solve some of the same problems. It's typically done in complex web applications to prevent memory l...
How can I check in a Bash script if my local Git repository has changes?
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Using IoC for Unit Testing
...ou mean by managing mocks using IoC. Anyway, IoC containers can usually do more than just injecting mocks when it comes to testing. And if you have decent IDE support that makes refactoring possible, why not using it?
Any experience?
Yes, on a huge solution, you need more than ever a non error...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清...
...omment out, or remove, this line
};
Also, but not as important, as it is more a cosmetic thing than anything else, is to change the size of the space buffer that CInPlaceEdit uses to calculate the new size of the edit control as you are typing. Go to the file InPlaceEdit.cpp, in the function CInPl...
Git push error '[remote rejected] master -> master (branch is currently checked out)'
...re any particular reason some files need to be deleted? If so, can you be more precise about what needs to be deleted?
– Brian Vandenberg
Jul 22 '11 at 4:19
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Dynamic instantiation from string name of a class in dynamically imported module?
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You can use getattr
getattr(module, class_name)
to access the class. More complete code:
module = __import__(module_name)
class_ = getattr(module, class_name)
instance = class_()
As mentioned below, we may use importlib
import importlib
module = importlib.import_module(module_name)
class_ ...
Use grep to report back only line numbers
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@jondim it only shows the filename if there is more than one file being searched; you need to add -H to force it to show the filename when there is only one file. Conversely, you can always use -h to tell it not to output the filename no matter how many files you're grepp...
Reading value from console, interactively
...irst part of the answer, the you can't do a while loop ... doesn't hold anymore. Yes, you can have a while loop and still don't block, thanks to the the async-await pattern. Other answers reflect that. To anyone reading this nowadays - please consult other answers as well.
– Wi...