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Deleting lines from one file which are in another file
...rather than patterns (in case you want remove the lines in a "what you see if what you get" manner rather than treating the lines in f2 as regex patterns).
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Which cryptographic hash function should I choose?
The .NET framework ships with 6 different hashing algorithms:
9 Answers
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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 '...
How does “304 Not Modified” work exactly?
My guess, if it's generated by the browser:
2 Answers
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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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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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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 ...
Using Custom Domains With IIS Express
...plication root URL: http://dev.example.com
Click Create Virtual Directory (if you get an error here you may need to disable IIS 5/6/7/8, change IIS's Default Site to anything but port :80, make sure Skype isn't using port 80, etc.)
Optionally: Set the Start URL to http://dev.example.com
Open %USE...
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...