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What Every Programmer Should Know About Memory?
...that zoo. Probably there are outdated API references in some examples, but it doesn't matter; that won't affect the relevance of the fundamental concepts.
So, any book or article that describes something fundamental cannot be called outdated. "What every programmer should know about memory" is defi...
Removing all unused references from a project in Visual Studio projects
I just wondered if it possible within various Visual Studio versions to automatically remove all references from a project that were never been used?
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How to convert a string from uppercase to lowercase in Bash? [duplicate]
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edited Oct 24 '14 at 10:19
Danny Staple
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How to append a char to a std::string?
The following fails with the error prog.cpp:5:13: error: invalid conversion from ‘char’ to ‘const char*’
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Django datetime issues (default=datetime.now())
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it looks like datetime.now() is being evaluated when the model is defined, and not each time you add a record.
Django has a feature to accomplish what you are trying to do already:
date = models.DateTimeField(auto_now_add=T...
How to trigger a file download when clicking an HTML button or JavaScript
... but I don't know how to do this, and because of how common the words are, it's hard to find what I need on search engines. I'm thinking this should be an easy one to answer.
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What is the difference between concurrency and parallelism?
...o or more tasks can start, run, and complete in overlapping time periods. It doesn't necessarily mean they'll ever both be running at the same instant. For example, multitasking on a single-core machine.
Parallelism is when tasks literally run at the same time, e.g., on a multicore processor.
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Maximum length of the textual representation of an IPv6 address?
...:0000:0000:0000:0000:0000:0000:0000
8 * 4 + 7 = 39
8 groups of 4 digits with 7 : between them.
But if you have an IPv4-mapped IPv6 address, the last two groups can be written in base 10 separated by ., eg. [::ffff:192.168.100.228]. Written out fully:
0000:0000:0000:0000:0000:ffff:192.168.10...
What is a vertical tab?
...speed up printer vertical movement. Some printers used special tab belts with various tab spots. This helped align content on forms. VT to header space, fill in header, VT to body area, fill in lines, VT to form footer. Generally it was coded in the program as a character constant. From the keyb...
Preventing console window from closing on Visual Studio C/C++ Console application
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edited Jun 20 at 9:12
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answered Jan 8 '19 at 1:19
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