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What's the difference between ES6 Map and WeakMap?
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Another difference (source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap):
Keys of WeakMaps are of the type Object only. Primitive data types as
keys are not allowed (e.g. a Symbol can't be a WeakMap key).
Nor can a string, number, or boolea...
How to quickly clear a JavaScript Object?
...been visited will not be visited later." developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Piotr
Feb 27 '17 at 23:07
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How to pass arguments to a Button command in Tkinter?
...'press', command=fce)
See: http://infohost.nmt.edu/tcc/help/pubs/tkinter/web/extra-args.html
For more buttons you can create a function which returns a function:
def fce(myX, myY):
def wrapper(x=myX, y=myY):
pass
pass
pass
return x+y
return wrapper
button...
Why are primes important in cryptography?
...e.
The RSA encryption algorithm which is commonly used in secure commerce web sites, is based on the fact that it is easy to take two (very large) prime numbers and multiply them, while it is extremely hard to do the opposite - meaning: take a very large number, given which it has only two prime fa...
“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
...2008/08/remote-certificate-is-invalid-according.html
I went to url of the web service (on the server that had the issue), clicked on the little security icon in IE, which brought up the certificate. I then clicked on the Details tab, clicked the Copy To File button, which allowed me to export the c...
Really weird eclipse keyboard behavior/bug?
... spent weeks wondering why it was happening and sporadically searching the web for answers. Of course I had a temporary solution, but the fact that it kept happening was annoying. I tried reinstalling Eclipse from scratch, trying different versions and switching workspaces, but nothing worked. I'm s...
What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...owsers follow it religiously. Read
Understanding HTML, XML and XHTML from WebKit blog:
In fact, the vast majority of supposedly XHTML documents on the internet are served as text/html. Which means they are not XHTML at all, but actually invalid HTML that’s getting by on the error handling of ...
Why does the JavaScript need to start with “;”?
I have recently noticed that a lot of JavaScript files on the Web start with a ; immediately following the comment section.
...
What is default session timeout in ASP.NET?
....Session.Timeout // ASP.NET MVC controller
Page.Session.Timeout // ASP.NET Web Forms code-behind
HttpContext.Current.Session.Timeout // Elsewhere
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How to add text to request body in RestSharp
I'm trying to use RestSharp to consume a web service. So far everything's gone very well (cheers to John Sheehan and all contributors!) but I've run into a snag. Say I want to insert XML into the body of my RestRequest in its already serialized form (i.e., as a string). Is there an easy way to do th...