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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
... C# 7 version. I didn't want to remove the VB.NET version so I just posted it in a separate answer.
Go to updated version
Seems it's not supported, I implemented by myself, FYI, hope it to be helpful:
I updated the VB version and from now on it raises an event before changing the collection so yo...
Code for Greatest Common Divisor in Python [closed]
... divisor (GCD) of a and b is the largest number that divides both of them with no remainder.
20 Answers
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iOS: how to perform a HTTP POST request?
...u can use NSURLConnection as follows:
Set your NSURLRequest: Use requestWithURL:(NSURL *)theURL to initialise the request.
If you need to specify a POST request and/or HTTP headers, use NSMutableURLRequest with
(void)setHTTPMethod:(NSString *)method
(void)setHTTPBody:(NSData *)data
(void)setV...
How to call asynchronous method from synchronous method in C#?
...alling async methods via async methods, but my whole program is not built with async methods.
15 Answers
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After submitting a POST form open a new window showing the result
JavaScript post request like a form submit shows you how to submit a form that you create via POST in JavaScript. Below is my modified code.
...
Turn a string into a valid filename?
...
You can look at the Django framework for how they create a "slug" from arbitrary text. A slug is URL- and filename- friendly.
The Django text utils define a function, slugify(), that's probably the gold standard for this kind of thing. Essentially, their code is the following.
def slugify(value...
What difference is there between WebClient and HTTPWebRequest classes in .NET?
...eam();
var sr = new StreamReader(stream);
var content = sr.ReadToEnd();
With WebClient, you just do DownloadString:
var client = new WebClient();
var content = client.DownloadString("http://example.com");
Note: I left out the using statements from both examples for brevity. You should definitel...
Recent file history in Vim?
...em.
(Probably only useful for '0 to get back to the last file you were editing, unless your memory is stronger than mine.)
You can also use the :browse oldfiles command to get a menu with numbers.
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How do you Encrypt and Decrypt a PHP String?
...rs to this question made this mistake; as do many cryptography libraries written in PHP.
You should avoid implementing your own cryptography, and instead use a secure library written by and reviewed by cryptography experts.
Update: PHP 7.2 now provides libsodium! For best security, update your syst...
What exactly is nullptr?
We now have C++11 with many new features. An interesting and confusing one (at least for me) is the new nullptr .
14 Answe...