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Replace tabs with spaces in vim

... What this all means, is nicely explained on the Vim wiki. – Serge Stroobandt Dec 11 '16 at 1:43 ...
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cv2.imshow command doesn't work properly in opencv-python

... only works with waitKey(): import cv2 img = cv2.imread('C:/Python27/03323_HD.jpg') cv2.imshow('ImageWindow', img) cv2.waitKey() (The whole message-loop necessary for updating the window is hidden in there.) share ...
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How do I measure time elapsed in Java? [duplicate]

...start() and stop() methods. Below, a very simple example: import com.jamonapi.*; ... Monitor mon=MonitorFactory.start("myFirstMonitor"); ...Code Being Timed... mon.stop(); Check out this article on www.javaperformancetunning.com for a nice introduction. Using AOP Finally, if you don't want to c...
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Convert xlsx to csv in Linux with command line

... The Gnumeric spreadsheet application comes with a command line utility called ssconvert that can convert between a variety of spreadsheet formats: $ ssconvert Book1.xlsx newfile.csv Using exporter Gnumeric_stf:stf_csv $ cat newfile.csv Foo,Bar,Baz 1,2,3 123.6,7.89, 2012/05/14,, The,last,Line ...
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How is “=default” different from “{}” for default constructor and destructor?

I originally posted this as a question only about destructors, but now I'm adding consideration of the default constructor. Here's the original question: ...
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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]

...opt] int32 x) cil managed { .param [1] = int32(5) .maxstack 8 L_0000: nop L_0001: ret } .method //this is a new method private hidebysig static //it is private, ???, and static void foo //it returns nothing (void) and is named Foo ([opt] int32 x) //it has one parameter, which i...
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ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术

...息。 拓扑建立和消息路由的分离很好地映射到BSD套接字API上(bind/connect和send/recv)。 现在,学术方面的争论甚至更加重要。使用ØMQ该做什么,不该做什么。 底层的协议,比如TCP,允许你发送数据给特定的终端节点。&Osla...
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NPM doesn't install module dependencies

...ere are several open issues for this case in the npm repository: npm install should recursively check/install dependencies https://github.com/npm/npm/issues/1341 (closed) local private module dependencies https://github.com/npm/npm/issues/2442 (closed) In the first one people list several workar...
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Add st, nd, rd and th (ordinal) suffix to a number

I would like to dynamically generate a string of text based on a current day. So, for example, if it is day 1 then I would like my code to generate = "Its the 1* st *". ...
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What is the exact meaning of IFS=$'\n'?

... Normally bash doesn't interpret escape sequences in string literals. So if you write \n or "\n" or '\n', that's not a linebreak - it's the letter n (in the first case) or a backslash followed by the letter n (in the other two cas...