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LINQPad [extension] methods [closed]

...QueryLanguage.Expression, @"from c in Customers where c.Name.Length > 3 select c.Name", "Click to run!").Dump(); You can also write your own extension methods in LINQPad. Go to 'My Queries' and click the query called 'My Extensions'. Any types/methods that define here are accessible to all quer...
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OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value

...ame attribute myRadios to read the variable prev which holds the currently selected radio. A comparison is done within each click handler to decide if the clicked radio is the same as the one stored in prev and if not then the currently clicked radio is stored there. Within the click handler, you ha...
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What is the difference between UNION and UNION ALL?

...want the duplicates (especially when developing reports). UNION Example: SELECT 'foo' AS bar UNION SELECT 'foo' AS bar Result: +-----+ | bar | +-----+ | foo | +-----+ 1 row in set (0.00 sec) UNION ALL example: SELECT 'foo' AS bar UNION ALL SELECT 'foo' AS bar Result: +-----+ | bar | +---...
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How to make vim paste from (and copy to) system's clipboard?

...system clipboard. On X11 systems both registers can be used. See :help x11-selection for more details, but basically the "* is analogous to X11's _PRIMARY_ selection (which usually copies things you select with the mouse and pastes with the middle mouse button) and "+ is analogous to X11's _CLIPBOAR...
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Random record from MongoDB

...llection. db.mycoll.aggregate([{ $sample: { size: 1 } }]) If you want to select the random document(s) from a filtered subset of the collection, prepend a $match stage to the pipeline: // Get one random document matching {a: 10} from the mycoll collection. db.mycoll.aggregate([ { $match: { a:...
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How to comment and uncomment blocks of code in the Office VBA Editor

...tor, go to View, Toolbars, Customise... or right click on the tool bar and select Customise... Under the Commands tab, select the Edit menu on the left. Then approximately two thirds of the way down there's two icons, Comment Block and Uncomment Block. Drag and drop these onto your toolbar and th...
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Eclipse copy/paste entire line keyboard shortcut

... Ctrl-Alt-Down: copies current line or selected lines to below Ctrl-Alt-Up:: copies current line or selected lines to above Ctrl-Shift-L: brings up a List of shortcut keys See Windows/Preference->General->Keys. ...
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how to check the dtype of a column in python pandas

...know this is a bit of an old thread but with pandas 19.02, you can do: df.select_dtypes(include=['float64']).apply(your_function) df.select_dtypes(exclude=['string','object']).apply(your_other_function) http://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.DataFrame.select_dtypes.h...
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How do you display code snippets in MS Word preserving format and syntax highlighting?

...d install Notepad++ and do the following: Paste your code in the window; Select the programming language from the language menu; Select the text to copy; Right click and select Plugin commands -> Copy Text with Syntax Highlighting; Paste it into MS Word and you are good to go! Update 29/06/20...
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Convert Newtonsoft.Json.Linq.JArray to a list of specific object type

... Just call array.ToObject<List<SelectableEnumItem>>() method. It will return what you need. Documentation: Convert JSON to a Type share | improve t...