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Why #egg=foo when pip-installing from git repo
...to be the same either way. Note that I'm installing using the pip install https://... syntax which doesn't require -e.
– Taylor Edmiston
Aug 8 '17 at 1:43
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How does the main() method work in C?
...s are executed: setup stack, registers, MMU, memory mapping etc. Then copy-down of init values from NVM to static storage variables occur (.data segment), as well as "zero-out" on all static storage variables that should be set to zero (.bss segment). In C++, constructors of objects with static stor...
Sending message through WhatsApp
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UPDATE
Please refer to https://faq.whatsapp.com/en/android/26000030/?category=5245251
WhatsApp's Click to Chat feature allows you to begin a chat with
someone without having their phone number saved in your phone's
address book. As long as ...
What is Normalisation (or Normalization)?
... should be mentioned that normalization is a bottom up approach, not a top down approach. If you follow certain methodologies in your analysis of the data, and in your intial design, you can be guaranteed that the design will conform to 3NF at the very least. In many cases, the design will be ful...
javascript window.location in new tab
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window.open('https://support.wwf.org.uk', '_blank');
The second parameter is what makes it open in a new window. Don't forget to read Jakob Nielsen's informative article :)
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Is the size of C “int” 2 bytes or 4 bytes?
...ore sizeof, bytes and CHAR_BIT, and integer representation... let's burrow down the rabbit hole and see it for ourselves...
sizeof, bytes and CHAR_BIT
The following statement, taken from the C standard (linked to above), describes this in words that I don't think can be improved upon.
The si...
Correct format specifier to print pointer or address?
...he start of 0xA1B2CDEF appears thus, not like 0xa1b2cdef which dips up and down along the number too. Your choice though, within very broad limits. The (uintptr_t) cast is unambiguously recommended by GCC when it can read the format string at compile time. I think it is correct to request the cas...
Transfer git repositories from GitLab to GitHub - can we, how to and pitfalls (if any)?
...nd by pushing them)
create an empty repo on GitHub
git remote add github https://yourLogin@github.com/yourLogin/yourRepoName.git
git push --mirror github
The history will be the same.
But you will loose the access control (teams defined in GitLab with specific access rights on your repo)
If yo...
HashSet vs. List performance
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Whether to use a HashSet<> or List<> comes down to how you need to access your collection. If you need to guarantee the order of items, use a List. If you don't, use a HashSet. Let Microsoft worry about the implementation of their hashing algorithms and objects.
A Ha...
How to change the href for a hyperlink using jQuery
...sed to select <a> elements whose href value ends with .png.
a[href^="https://"] could be used to select <a> elements with href values that are prefixed with https://.
If you want to change the href value of <a> elements that satisfy multiple conditions: (example)
var anchors = do...