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Distinct() with lambda?
Right, so I have an enumerable and wish to get distinct values from it.
18 Answers
18
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How to obtain the query string from the current URL with JavaScript?
...arams interface can also be used to parse strings in a querystring format, and turn them into a handy URLSearchParams object.
let paramsString = "name=foo&age=1337"
let searchParams = new URLSearchParams(paramsString);
searchParams.has("name") === true; // true
searchParams.get("age") === "133...
Concat all strings inside a List using LINQ
... (i.Boo + delimiter + j.Boo)}).Boo);
Console.ReadKey();
}
}
And here is my best :)
items.Select(i => i.Boo).Aggregate((i, j) => i + delimiter + j)
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How to estimate how much memory a Pandas' DataFrame will need?
I have been wondering... If I am reading, say, a 400MB csv file into a pandas dataframe (using read_csv or read_table), is there any way to guesstimate how much memory this will need? Just trying to get a better feel of data frames and memory...
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Drawing Isometric game worlds
...echnique for mapping the tiles to the screen can be said that the tile's x and y coordinates are on the vertical and horizontal axes.
"Drawing in a diamond" approach:
By drawing an isometric map using "drawing in a diamond", which I believe refers to just rendering the map by using a nested for-lo...
自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
...trictness to gnu
Library files:
-a, --add-missing add missing standard files to package
--libdir=DIR directory storing library files
-c, --copy with -a, copy missing files (default is symlink)
-f, --force-missing force update of standard files
Warning ...
MySQL - How to select data by string length
...HAR_LENGTH() will return the number of characters.
– András Szepesházi
Nov 1 '11 at 14:59
4
sel...
How can I set the WiX installer version to the current build version?
I wrote an application and its WiX installer and put it under version control using subversion. When the WiX installer builds I want its version number to be the current build version of the application. How do I accomplish this? I used c# to code the application.
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How can I display a pdf document into a Webview?
..., until now if you want to read PDF, you must install a PDF reader on your Android phone, or use webview to render PDF file online. Sorry but we cannot use the second method to read PDF offline.
– anticafe
Jun 6 '11 at 10:23
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How to force a html5 form validation without submitting it via jQuery
I have this form in my app and I will submit it via AJAX, but I want to use HTML5 for client-side validation. So I want to be able to force the form validation, perhaps via jQuery.
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