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TCP loopback connection vs Unix Domain Socket performance
...trol, flow control, stream management (IP packet ordering, retransmission, etc) ). Unix domain sockets do not do any of the above because it was designed from the ground up to be ran locally, meaning no congestion issues, no speed differences between server/client requiring flow control, no dropped ...
Differences between Emacs and Vim
... it compared to using a GUI editor/IDE and using something like python/awk/etc for extra tasks is up to you.
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Fastest way to count exact number of rows in a very large table?
...tract a good estimate by using query optimization tools, table statistics, etc. In the case of PostgreSQL, for instance, you could parse the output of explain count(*) from yourtable and get a reasonably good estimate of the number of rows. Which brings me to your second question.
I have a table...
Can I delete a git commit but keep the changes?
...and then at the next commit point instead run:
git commit --amend [-m … etc]
which will instead edit the most recent commit, having the same effect as above.
Note that this (as with nearly every git answer) can cause problems if you've already pushed the bad commit to a place where someone els...
What does “static” mean in C?
...()
{
static int x;
return ++x;
}
The function would return 1, 2, 3, etc. --- the variable is not on the stack.
a.c:
static int foo()
{
}
It means that this function has scope only in this file. So a.c and b.c can have different foo()s, and foo is not exposed to shared objects. So if you defi...
Parse large JSON file in Nodejs
... until you hit a newline. Assuming we have one JSON object per line (basically, format B):
var stream = fs.createReadStream(filePath, {flags: 'r', encoding: 'utf-8'});
var buf = '';
stream.on('data', function(d) {
buf += d.toString(); // when data is read, stash it in a string buffer
pump...
What is the difference between google tag manager and google analytics?
... yesterday, what web browser they used, which pages were the most popular, etc. The only way it can know this stuff is if you put a "tag" on all of your pages. The tag is the javascript code on your pages that runs on the visitor's browser, which tells Google Analytics' servers that they are visi...
What must I know to use GNU Screen properly? [closed]
...e ground up. What are some analogies and handy tips for remembering binds, etc.?
18 Answers
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Disabling Chrome cache for website development
...ty the cache entirely, ensuring that anything downloaded via javascript or etc. will also avoid using the cache. You don't have to mess with settings or anything, it's a quick 1-shot solution.
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GitHub - List commits by author
...ners" section. Then click the tabs at the top to filter to repos, commits, etc. I randomly did one for a user, and it seems to work. Check it out here
– Brad Parks
Jun 27 '17 at 12:20
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