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What is an application binary interface (ABI)?
...ally get resolved into an address by the assembler. This label marks the "start" of your "function" in the assembly code. In high-level code, when you "call" that function, what you're really doing is causing the CPU to jump to the address of that label and continue executing there.
In preparatio...
How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
...stat -atnp | grep -i ":500 "
As expected, the output is blank. Now let's start a web server:
sudo python3 -m http.server 500
Now, here is the output of running netstat again:
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:500...
What is a reasonable code coverage % for unit tests (and why)? [closed]
...ster began to answer:
“The first programmer is new and just getting started with testing.
Right now he has a lot of code and no
tests. He has a long way to go;
focusing on code coverage at this time
would be depressing and quite useless.
He’s better off just getting used to
writ...
Long-lasting FB access-token for server to pull FB page info
...ient without Facebook rejecting it in the end, so, beforehand (i.e. before starting to work on my client's project), I went through the whole process of creating a page, an app, a Business Manager account, etc. I verified my business. I submitted my app for review. In my request, I was very specific...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...ix method.
You can use infix with multiple parameters:
string substring (start, end) map (_ toInt) mkString ("<", ", ", ">")
Curried functions are hard to use with infix notation. The folding functions are a clear example of that:
(0 /: list) ((cnt, string) => cnt + string.size)
(list ...
Optimise PostgreSQL for fast testing
...t be able to apply.
If you're not batching work into larger transactions, start. Lots of small transactions are expensive, so you should batch stuff whenever it's possible and practical to do so. If you're using async commit this is less important, but still highly recommended.
Whenever possible u...
How to create a self-signed certificate with OpenSSL
...o now for a public facing server when you enlist the services of a CA like Startcom or CAcert. Steps 1 and 5 allows you to avoid the third-party authority, and act as your own authority (who better to trust than yourself?).
The next best way to avoid the browser warning is to trust the server's cer...
Why does one use dependency injection?
... having trouble understanding why this approach is valuable, I'd recommend starting with manual dependency injection first, so you can better appreciate what the various frameworks out there can do for you.
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Eclipse Workspaces: What for and why?
... these answers are getting difficult since all of them contribute, and I'm starting to think I will never be able to accept one answer. I hope nobody is a point freak here and we'll leave it without accepted answer?
– e-motiv
Jan 6 '15 at 16:47
...
Why shouldn't all functions be async by default?
...great addition, an many of your routines will be async. However, when you start doing CPU bound work, in general, making things async is actually not good - it's hiding the fact that you're using CPU cycles under an API that appears to be asynchronous, but is really not necessarily truly asynchrono...