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How can I print a circular structure in a JSON-like format?
... a = {b:1}
var o = {};
o.one = a;
o.two = a;
// one and two point to the same object, but two is discarded:
JSON.stringify(o, ...);
But the concept stands: Use a custom replacer, and keep track of the parsed object values.
As a utility function written in es6:
// safely handles circular referenc...
Calculating frames per second in a game
What's a good algorithm for calculating frames per second in a game? I want to show it as a number in the corner of the screen. If I just look at how long it took to render the last frame the number changes too fast.
...
Can't execute jar- file: “no main manifest attribute”
... app.jar
Second, to make a jar executable... you need to jar a file called META-INF/MANIFEST.MF
the file itself should have (at least) this one liner:
Main-Class: com.mypackage.MyClass
Where com.mypackage.MyClass is the class holding the public static void main(String[] args) entry point.
Note that...
Best way to make Django's login_required the default
...e Django app, the vast majority of which requires a login to access. This means that all throughout our app we've sprinkled:
...
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...an iterable) of key-value pairs, as in your last two examples. As the documentation you linked to says, the OrderedDict does not have access to any order when you pass in keyword arguments or a dict argument, since any order there is removed before the OrderedDict constructor sees it.
Note that us...
What is the difference between Nexus and Maven?
...hat is Nexus?":
Nexus manages software "artifacts" required for development. If you develop software, your builds can download dependencies from Nexus and can publish artifacts to Nexus creating a new way to share artifacts within an organization. While Central repository has always served as a ...
“’” showing on page instead of “ ' ”
...ncy in character encoding in your application. You will re-encounter the same problem in the future for other non-CP1252 characters. And there's quite a lot of them ...
– BalusC
Mar 19 '10 at 13:51
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Is there any performance gain in indexing a boolean field?
I'm just about to write a query that includes a WHERE isok=1 . As the name implies, isok is a boolean field (actually a TINYINT(1) UNSIGNED that is set to 0 or 1 as needed).
...
Should I put #! (shebang) in Python scripts, and what form should it take?
...configured properly). It isn't necessary but generally put there so when someone sees the file opened in an editor, they immediately know what they're looking at. However, which shebang line you use IS important.
Correct usage for Python 3 scripts is:
#!/usr/bin/env python3
This defaults to ve...
How to send file contents as body entity using cURL
...as the body entity of the POST. I have tried using -d </path/to/filename> as well as other variants with type info like --data </path/to/filename> --data-urlencode </path/to/filename> etc... the file is always attached. I need it as the body entity.
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