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Properties vs Methods
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What is the difference in the internal implementation of a property vs a method. Is anything pushed into the call stack whenever a property is used? If not, how else is it handled?
– Praveen
Jul 17 '...
MIT vs GPL license [closed]
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It seems to me that the chief difference between the MIT license and GPL is that the MIT doesn't require modifications be open sourced whereas the GPL does.
True - in general. You don't have to open-source your changes if you're using GPL. You could modi...
List submodules in a Git repository
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@IgorGanapolsky - you can print on the console, if you do cat .gitmodules in the repository root...
– sdaau
Sep 17 '15 at 11:56
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How does “304 Not Modified” work exactly?
My guess, if it's generated by the browser:
2 Answers
2
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Check if value already exists within list of dictionaries?
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Here's one way to do it:
if not any(d['main_color'] == 'red' for d in a):
# does not exist
The part in parentheses is a generator expression that returns True for each dictionary that has the key-value pair you are looking for, otherwise False.
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Which cryptographic hash function should I choose?
The .NET framework ships with 6 different hashing algorithms:
9 Answers
9
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Why both no-cache and no-store should be used in HTTP response?
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I must clarify that no-cache does not mean do not cache. In fact, it means "revalidate with server" before using any cached response you may have, on every request.
must-revalidate, on the other hand, only needs to revalidate when the ...
Is Meyers' implementation of the Singleton pattern thread safe?
...11, it is thread safe. According to the standard, §6.7 [stmt.dcl] p4:
If control enters
the declaration concurrently while the variable is being initialized, the concurrent execution shall wait for completion of the initialization.
GCC and VS support for the feature (Dynamic Initialization ...
HTML if image is not found
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If Default.jpg is not available you will end up in an endless loop. You should add a check if (this.src != 'Default.jpg')
– dehlen
Jul 7 '16 at 10:05
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Extract filename and extension in Bash
...ocus on the last '/' of the path instead of the '.' which should work even if you have unpredictable file extensions:
filename="${fullfile##*/}"
You may want to check the documentation :
On the web at section "3.5.3 Shell Parameter Expansion"
In the bash manpage at section called "Parameter Exp...