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Accessing JPEG EXIF rotation data in JavaScript on the client side
...You could have an API that takes a file URL and returns you the EXIF data; PHP has a module for that.
This could be done using Ajax so it would be seamless to the user. If you don't care about cross-browser compatibility, and can rely on HTML5 file functionality, look into the library JsJPEGmeta t...
PHP Regex to get youtube video ID?
...bout anything, but they are very easy to make an error in, so if there are PHP functions specifically for what you are trying to accomplish, use those.)
parse_url takes a string and cuts it up into an array that has a bunch of info. You can work with this array, or you can specify the one item you ...
What’s the best RESTful method to return total number of items in an object?
...we should use headers to transmit other informations like total, next page token and previous page token. I never tried it and I need advice from other developers.
– Loenix
Oct 24 '16 at 6:55
...
Virtual functions and performance - C++
...s 1st level cache with more memory than my first computer had? Not at all. Allocating memory from main RAM will cost you more time than if all your functions were virtual.
Its like the old, old days where people said structured programming was slow because all the code was split into functions, eac...
How are POST and GET variables handled in Python?
In PHP you can just use $_POST for POST and $_GET for GET (Query string) variables. What's the equivalent in Python?
6 ...
YAML current date in rmarkdown
...l::yaml.load(front_matter) :
Scanner error: while scanning for the next token at line 3, column 31
found character that cannot start any token at line 3, column 31
Calls: <Anonymous> ... output_format_from_yaml_front_matter ->
parse_yaml_front_matter -> <Anonymous> ->...
passport.js passport.initialize() middleware not in use
... in my route authenticate middleware.
app.post('/api/public/auth/google-token',
passport.authenticate('google-token', {
session: false
}),
function (req: any, res) {
res.send("hello");
}
);
...
If strings are immutable in .NET, then why does Substring take O(n) time?
...nal with only a small amount (typically O(1) or O(lg n)) of copying or new allocation is called a "persistent" immutable data structure. Strings in .NET are immutable; your question is essentially "why are they not persistent"?
Because when you look at operations that are typically done on strings ...
When is a language considered a scripting language? [closed]
...people say "when it gets interpreted instead of compiled". That would make PHP (for example) a scripting language. Is that the only criterion? Or are there other criteria?
...
How do I determine the size of an object in Python?
...the minimum size of the following objects, and note that sets and dicts preallocate space so empty ones don't grow again until after a set amount (which may vary by implementation of the language):
Python 3:
Empty
Bytes type scaling notes
28 int +4 bytes about every 30 powers of ...