One Linux command per day (32): ln

The function of ln is to create a synchronous link for a file in another location. When using the same file in different directories, we don't need to put the same file in each directory. We just need to put the file in a fixed directory, and then link it with ln command in other directories. We don't need to occupy disk space repeatedly. 1. ...

Posted by flaab on Thu, 11 Jul 2019 00:51:47 +0200

FIFO and LIFO auto-manage modal controller

In an App, pop-ups have always been a frequently used prompt control.It seems simple, but it has a lot of deep things to learn from. As we all know, how much importance Apple attaches to the user experience is reflected in how it handles pop-ups.I don't know if you've noticed the order in which pop-ups appear on newly installed Apps?Usually thi ...

Posted by thom2002 on Tue, 09 Jul 2019 20:07:13 +0200

JS Life Starting from Zero (2) - Events in BOM, DOM and JS

As mentioned in the last book, variables, operators, branching structures, loops and nested loops are included in JS. This time, Ben K will talk to you about BOM, DOM and events in JS. I. "Huaxin Big Radish" - BOM 1. Shocked, Why did FFF Group Lift a Torch on BOM--Brief Introduction to BOM BOM(Browser Object Model) refers to the brows ...

Posted by ben14 on Tue, 09 Jul 2019 02:27:14 +0200

Skills of Android Popup Windows

Original address: http://www.cnblogs.com/sw926/p/3230659.html Popup Windows is a custom pop-up window on Android, which is very convenient to use. The constructor of Popup Window is public PopupWindow(View contentView, int width, int height, boolean focusable) contentView is the view to be displayed, width and height are the width ...

Posted by contra10 on Mon, 08 Jul 2019 23:55:29 +0200

[April 20] Use requests to log on to the website of the Academic Affairs Department and inquire about the timetable

Recent classes are always unable to remember which classroom, I feel it is very troublesome to visit the website of the Academic Affairs Office manually every time. It happened that I was learning to crawl, so I wanted to write a crawler to help me look up the information on the timetable. Do as you say. With requests, a third-party library th ...

Posted by kyleldi on Sun, 07 Jul 2019 22:46:49 +0200

Material Design Compatibility Control Learning

Sketch Material Design, introduced from Android 5.0, is a brand new design language called "Raw Material Design", which is a design style, concept and principle advocated by Google. Combining the imitation design and flat design style, some scientific and technological concepts are integrated. For further information, check out this w ...

Posted by matafy on Sun, 07 Jul 2019 01:06:04 +0200

Grabbing popular reviews of Netease's music songs to generate ci-clouds

Preface Grasping Data Analysis of grabbing bags Encryption Information Processing Grasp the Contents of Hot Comments Word Cloud Word Cloud Operation Effect summary Preface Netease Cloud Music has always been the "altar" I yearn for. When I listen to the music and see the commentary from the heart, it's a flowing m ...

Posted by simn_stv on Fri, 05 Jul 2019 21:38:49 +0200

opencv Actual Warfare, Search for 4 Welding Joints of Steel Plate, Help

The fourth picture makes spark, because there is spark interference in the welding process, and it has a great impact. Sparks have a great influence on the image. Large sparks directly affect some characteristics of steel plate. My first idea is to use contour extraction to calculate the contour area. In a certain range, I think that the ...

Posted by NS on Fri, 05 Jul 2019 03:30:42 +0200

Creating an efficient front-end working environment-tmuxinator

Preface _Although tmux makes it easy for us to organize our working environment, every time we reopen a session we need to manually re-create windows, panes and execute various programs. Can we save windows, panes and program information in project units like VS?tmuxinator is just the answer to our need! Installation and Configuration _Install ...

Posted by dsoftnet on Wed, 03 Jul 2019 18:42:24 +0200

Oracle 11g automatic memory management

11g, can automatically manage sga,pga, known as amm MEMORY_MAX_TARGE: This parameter specifies the maximum value that MEMORY_TARGET can set. Memor_target specifies the available memory at the system level. It can reduce or increase the size of SGA and PGA as needed. In a text-based parameter file, if the MEMORY_MAX_TARGET parameter is exclude ...

Posted by seek on Tue, 02 Jul 2019 23:05:45 +0200