Road Less Traveled：How independent developers that find resources

Exchange of Experience

In fact, two months ago, this one should be written，However, there are some things to delay so they now。A few days ago to discuss the concept and friend to the independent development of the "small minority" of，I feel the need to further detailed definition of what。What independent developers do this minority is，The so-called market segmentation，Exactly how should subdivision。

Mind niche

When it comes to niche segments and，It may be the first impression a lot of people are those things nobody cares about, such as a handful of students in a small school needs，In some lawyer or needs work ...... Here we recallMarket segments：How independent developers that determine the development projectmiddle[……]

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letsencrypt tool renamed certbot

Linux

Today Gerber drop-off certificate expired，I have written beforeHow to add https support with letsencrypt to blog，And teach you to write a regular update service at the end of the article，So you do not own every three months to update the manual。

but，If your certificate to expire，So in fact letsencrypt robot will send you a reminder email，The general content like this：

Hello,

Your certificate (or certificates) for t[……]

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ANNE pro GH60 customize the keyboard keys set macOS

Mac OS Exchange of Experience

Before I wrotePoker 2 Mechanical keyboard Mac key to modifyArticles，Because now I bought a lift tables，Then poker wired，So very convenient，Just wondering to buy a Bluetooth keyboard，I did not expect that year dream of mechanical Bluetooth keyboard has been ready，Just，He wondered if he ordered a。

I have a soft spot for wasd key direction of poker，Especially after the change is fn capslock，Simply programming tool，Cool batch，So this is bound to be looking for 60 key keyboard，Also support capslock + in[……]

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macOS keyboard event intercepted three ways

Mac OS Swift R0uter Input Tool

Under normal circumstances，You do not need to know the contents。

In rare cases，Your app might need to get the user presses the button information，such asThe ones released Develop a Input Method。Only then can you provide candidates to the user。

How to create an input method under macOS，I'm hereSwift uses InputMethodKit to write an input methodThis article has detailed instructions，Pass it over here，How do we have focused on addressing key user，Especially the handling of a modified key。

Pocketed input method has always been a sort of a small[……]

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winform using video as a window background

C# Windows X

A recent project on Windows，Customer requirements to do the "flip" a little，so，Dynamic window background is always essential content (such as mobile phones qq login screen, right?

I thought this is a very easy to implement functionality so keen on the idea down ...... yes，In winform in，Not so easy to achieve the effect you want the。

Of course，We think that if you want to play video，Then the system comes with media player，Just add a control that can handle - the result is a video playback of either[……]

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Csf firewall to effectively prevent the use of small-scale DDOS

Linux

Update：upgrade Ubuntu 20.04 LTS Rear，csf is not working，Prompt that iptables cannot be found：

This is because Ubuntu 20.04 LTS Changed iptables Related command position，The csf script is not updated in time。

To solve this problem，We can go to[cr[……]

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Avoid input candidate article hidden behind other windows

Mac OS Swift R0uter Input Tool

When developing pocketed macOS version of the input method，I encountered such a problem，That is the window priority issues。Before How to make NSWindow displayed in a different Space or the Screen This article I referred to himself realizes candidate field pocketed input method，In fact, with a NSWindow Implementation。So since it is a common (through the magic change) of [crayon-67ede3e07333696810[……]

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Face coronasdk physics engine

Exchange of Experience

Development on mobile phone，Currently popular on the network mainly two development software，Is a well-known unity (after all, the year 4399 above the game online edition of Minecraft developed by it，3d engine without any software beyond it)，Another is the relatively small minority of the cocos。cocos occupy a major position 2d game，And unity has occupied a major position 3d game。And we are talking about the same as coronasdk and cocos 2d game engine (coronasdk not been known before 2010 mainly due to charges[……]

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Development plate reader serial Android Andrews

Java

Recently received a project，Demand is to do a special project Andrews board serial read and write in order to achieve some specific external devices to interact with - yes you read right，Andrews is also a board can have serial port!

Many friends do mobile development may not come into contact with - in fact, before I did not come into contact with。He stepped on seven or eight hours a pit，Finally climb out，Here to do a summary，Each board may project different circumstances，We must improvise。

First of all you need to know

Jumper，In order to save the project board USB interface，The default external USB interfaces are not connected to the computer debugging[……]

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