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How can I download HTML source in C#

... basically: using System.Net; using System.Net.Http; // in LINQPad, also add a reference to System.Net.Http.dll WebRequest req = HttpWebRequest.Create("http://google.com"); req.Method = "GET"; string source; using (StreamReader...
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What happens with constraints when a view is removed

...hen I do something like this, I save the constraints like this for a view called view1: self.portraitConstraints = [NSMutableArray new]; for (NSLayoutConstraint *con in self.view.constraints) { if (con.firstItem == self.view1 || con.secondItem == self.view1) { [self.portraitConstraints a...
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Difference between Python datetime vs time modules

... the time module is principally for working with unix time stamps; expressed as a floating point number taken to be seconds since the unix epoch. the datetime module can support many of the same operations, but provides a more object oriented set of t...
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How to have conditional elements and keep DRY with Facebook React's JSX?

How do I optionally include an element in JSX? Here is an example using a banner that should be in the component if it has been passed in. What I want to avoid is having to duplicate HTML tags in the if statement. ...
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How do I get the “id” after INSERT into MySQL database with Python?

...d it can cause issues unless you properly utilize threadsafety. I've personally gone for instantiating a new connection for each thread, which is a cute workaround since for some reason committing (autocommitting actually) didn't work for me, I got some serious interweaving due to many concurrent th...
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Why use softmax as opposed to standard normalization?

...harper image? This is simply a matter of scaling and both cases are essentially the same. If anything, this should seem to support standard normalization, which correctly considers the two cases equivalent. – user118967 Jun 5 '19 at 5:07 ...
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What is the 'dynamic' type in C# 4.0 used for?

C# 4.0 introduced a new type called 'dynamic'. It all sounds good, but what would a programmer use it for? 10 Answers ...
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How does IPython's magic %paste work?

... You actually can copy code to IPython directly: you may have to first disable auto-indentation by entering %autoindent. – Eric O Lebigot Jan 15 '13 at 3:51 ...
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Implement paging (skip / take) functionality with this query

...on it is a bit (little bit) difficult. Here is comparison and examples for all SQL server versions: here So, this could work in SQL Server 2008: -- SQL SERVER 2008 DECLARE @Start INT DECLARE @End INT SELECT @Start = 10,@End = 20; ;WITH PostCTE AS ( SELECT PostId, MAX (Datemade) as LastDate ...
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Switch statement for string matching in JavaScript

...ode would match that in the "xxx.local" branch. Update: Okay, so technically you can use a switch for substring matching, but I wouldn't recommend it in most situations. Here's how (live example): function test(str) { switch (true) { case /xyz/.test(str): display("• Matched '...