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How to duplicate virtualenv
... install (or have already installed in case of file generated by pip), and what versions they're at.
To generate a requirements file, go into your original virtualenv, and run:
pip freeze > requirements.txt
This will generate the requirements.txt file for you. If you open that file up in your...
AppSettings get value from .config file
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@Masoud Siahkali, Last week I tried pretty much what you have here in my own project, but the values, when changed by the user at run time (Just running it from the VS GUI for now) do not persist across instances. My question: stackoverflow.com/questions/61018443/…. Stil...
Where is a complete example of logging.config.dictConfig?
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Isn't this django-specific? What if I'm using a different framework (Flask, Bottle, etc), or not even working on a web application?
– Adam Parkin
Dec 18 '18 at 21:04
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Convert Pixels to Points
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Starting with the given:
There are 72 points in an inch (that is what a point is, 1/72 of an inch)
on a system set for 150dpi, there are 150 pixels per inch.
1 in = 72pt = 150px (for 150dpi setting)
If you want to find points (pt) based on pixels (px):
72 pt x pt
------ = ----- ...
Removing array item by value
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@srcspider well, you tell me what's going on here then... codepad.org/11ZhiFP0
– Alejandro García Iglesias
Aug 27 '13 at 18:32
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How can I return NULL from a generic method in C#?
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What if my return type is an enum not a class? I can't specify T : enum :(
– Justin
Aug 30 '11 at 2:01
1...
Can git be integrated with Xcode?
...Developer Tools State of the Union Address at WWDC 2010)
Learn more here: What's new in Xcode 4
The documentation from Apple is lengthy, but a good read.
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SQL Server 2008 Windows Auth Login Error: The login is from an untrusted domain
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So, what should I do if SQL server is not local ?
– Behnam Heydari
Feb 20 '16 at 10:22
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Coarse-grained vs fine-grained
What is the difference between coarse-grained and fine-grained?
11 Answers
11
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When should I use the new keyword in C++?
...but this is where it comes from)
Automatic storage duration means exactly what it sounds like, the duration of the variable is handled automatically. By contrast, anything allocated on the heap has to be manually deleted by you.
Here's an example:
void foo() {
bar b;
bar* b2 = new bar();
}
T...