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Array.push() if does not exist?

... it doesn't then just push the item into the array: var newItem = "NEW_ITEM_TO_ARRAY"; var array = ["OLD_ITEM_1", "OLD_ITEM_2"]; array.indexOf(newItem) === -1 ? array.push(newItem) : console.log("This item already exists"); console.log(array) ...
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How to do URL decoding in Java?

... { String result = java.net.URLDecoder.decode(url, StandardCharsets.UTF_8.name()); } catch (UnsupportedEncodingException e) { // not going to happen - value came from JDK's own StandardCharsets } Java 10 added direct support for Charset to the API, meaning there's no need to catch Unsuppor...
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Can I create a One-Time-Use Function in a Script or Stored Procedure?

...nderstand the security implications before you consider this. DECLARE @add_a_b_func nvarchar(4000) = N'SELECT @c = @a + @b;'; DECLARE @add_a_b_parm nvarchar(500) = N'@a int, @b int, @c int OUTPUT'; DECLARE @result int; EXEC sp_executesql @add_a_b_func, @add_a_b_parm, 2, 3, @c = @result OUTPUT; PRI...
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Check if SQL Connection is Open or Closed

... as an enum and not turn it into a string..... – marc_s Aug 4 '11 at 15:19 4 Should've added usin...
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How can I properly handle 404 in ASP.NET MVC?

...c string ReferrerUrl { get; set; } } #endregion } Step 2: Use a base Controller class so you can easily invoke your custom 404 action and wire up HandleUnknownAction 404s in ASP.NET MVC need to be caught at a number of places. The first is HandleUnknownAction. The InvokeHttp404 method c...
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Run a Docker image as a container

...must docker commit. You can use the NAME in the commit (e.g. docker commit _NAME_ _imagename_) – Andy Aug 24 '15 at 18:56 9 ...
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How to normalize an array in NumPy?

... answered Jan 9 '14 at 21:15 ali_mali_m 58k1515 gold badges172172 silver badges252252 bronze badges ...
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Post JSON using Python Requests

...ost('http://httpbin.org/post', json={"key": "value"}) >>> r.status_code 200 >>> r.json() {'args': {}, 'data': '{"key": "value"}', 'files': {}, 'form': {}, 'headers': {'Accept': '*/*', 'Accept-Encoding': 'gzip, deflate', 'Connection': 'close', ...
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How to programmatically send a 404 response with Express/Node?

...; Error.captureStackTrace(this, arguments.callee); } NotFound.prototype.__proto__ = Error.prototype; app.get('/404', function(req, res){ throw new NotFound; }); app.get('/500', function(req, res){ throw new Error('keyboard cat!'); }); ...
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Is there any algorithm in c# to singularize - pluralize a word?

... I whipped one together based on the Rails pluralizer. You can see my blog post here, or on github here output = Formatting.Pluralization(100, "sausage"); share ...