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How to get duplicate items from a list using LINQ? [duplicate]
...t; s)
.SelectMany(grp => grp.Skip(1));
Note that this will return all duplicates, so if you only want to know which items are duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution given by Mark Byers.
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...or v in g: yield v does not even begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x.
Wh...
How do I use vim registers?
...on Windows (or from "mouse highlight" clipboard on Linux)
"*p
To access all currently defined registers type
:reg
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AngularJS: Injecting service into a HTTP interceptor (Circular dependency)
...ependency of $http on the AuthService.
I believe that what you did is actually the simplest way of doing it.
You could also do this by:
Registering the interceptor later (doing so in a run() block instead of a config() block might already do the trick). But can you guarantee that $http hasn't b...
Google App Engine: Is it possible to do a Gql LIKE query?
Simple one really. In SQL, if I want to search a text field for a couple of characters, I can do:
12 Answers
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30条爆笑的程序员梗 PHP是最好的语言 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...醉还来屏下眠;酒醉酒醒日复日,得自娱自乐才行。1.问答Q:你是怎么区分一个内向的程序员...程序人员写程序,又将程序换酒钱;酒醒只在屏前坐,酒醉还来屏下眠;酒醉酒醒日复日,得自娱自乐才行。
1.问答
Q:你是怎么区分一个...
Which browsers support ?
... first part works on browsers without support for <script async.. tags, allowing them to load async with a "hack" (although a pretty solid one), and also allows rendering the page without waiting for ga.js to be retrieved.
The second part only affects compatible browsers that understand the a...
Should I always use a parallel stream when possible?
... easy to iterate over collections as streams, and just as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream:
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How to write LaTeX in IPython Notebook?
...you would. Then use nbconvert to turn the ipynb to TeX (code, figures and all), and run latex to render that to PDF, etc. You don't get live-rendered TeX in the browser like you do with MathJax / Markdown, but you do still have TeX / code in one document.
– minrk
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DBMS_OUTPUT.PUT_LINE not printing
...green plus icon to enable DBMS Output for a particular session.
Additionally, assuming that you don't want to print the literal "a.firstNamea.lastName" for every row, you probably want
FOR row IN quote_recs
LOOP
DBMS_OUTPUT.PUT_LINE( row.firstName || ' ' || row.lastName );
END LOOP;
...
