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How to merge 2 List and removing duplicate values from it in C#

... look at Enumerable.Union This method excludes duplicates from the return set. This is different behavior to the Concat method, which returns all the elements in the input sequences including duplicates. List<int> list1 = new List<int> { 1, 12, 12, 5}; List<int> list2 = new List&...
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npm global path prefix

...y be on your PATH (especially if you're using Homebrew). So: npm config set prefix /usr/local if it's something else, and Don't use sudo with npm! According to the jslint docs, you should just be able to npm install it. If you installed npm as sudo (sudo brew install), try reinstalling it with ...
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Cookies vs. sessions

...ed on server (i.e. server-side) Safer (because of 1) Expiration can not be set, session variables will be expired when users close the browser. (nowadays it is stored for 24 minutes as default in php) Cookies: IDU is stored on web-browser (i.e. client-side) Not very safe, since hackers can reach...
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Xcode without Storyboard and ARC

... makeKeyAndVisible]; return YES; } STEPS FOR REMOVE ARC 1) In build setting set Automatic Reference Counting to NO. ///////////////////////////////////////////////////////////////////////////END//////////////////////////////////////////////////////////////////////////////////////////////////...
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Check if a row exists, otherwise insert

...ax > (T.TicketsBooked + S.TicketsToBook) when matched then update set T.TicketsBooked = T.TicketsBooked + S.TicketsToBook when not matched then insert (TicketsMax, TicketsBooked) values(S.TicketsToBook, S.TicketsToBook); select * from Bookings ...
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How do I get the “id” after INSERT into MySQL database with Python?

... Only because cursor.lastrowid is automatically set on the cursor object as part of cursor.execute() and is just an attribute lookup. connection.insert_id() is an additional unnecessary function call - an which has already been called and whose result is available on the l...
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How do I center floated elements?

...ine element, but if you switch to display: inline-block you are allowed to set a width.” ( http://www.quirksmode.org/css/display.html#inlineblock ). From the W3C spec: [inline-block] causes an element to generate an inline-level block container. The inside of an inline-block is formatted as...
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Check a radio button with javascript

... this sets the check box but doesn't necessarily trigger the associated event. what event is triggered when the user clicks a radio button? – robisrob Jun 19 '19 at 20:12 ...
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How to send POST request?

...urllib.request import Request, urlopen url = 'https://httpbin.org/post' # Set destination URL here post_fields = {'foo': 'bar'} # Set POST fields here request = Request(url, urlencode(post_fields).encode()) json = urlopen(request).read().decode() print(json) Sample output: { "args": {}, ...
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Android: Create spinner programmatically from array

...r_item, spinnerArray); //selected item will look like a spinner set from XML spinnerArrayAdapter.setDropDownViewResource(android.R.layout .simple_spinner_dropdown_item); spinner.setAdapter(spinnerArrayAdapter); ...