Swift as how to receive the inlet parameters like C language?

Swift

 

We all know that in the Swift language which is no longer the main function，You may understand C language or Java language students arrived at this point of deep discomfort。In short，Instead main.swift。

Swift language in which，The compiler does not go looking for main function as a program entry，But this "main.swift" file，According to the official explanation view，This one[……]

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OSX 10.11 EI Capitan running Java SE 8

Java Mac OS

A few days ago，Latest session of WWDC Conference for us EL Capitan 10.11 latest OSX system，The first time I installed a developer preview。Without him，Netizens have said very little bug is the forums。Looking back to the year，When upgrading from 10.9 and 10.10，Even in beta stage，Is still flying bug!

But this does very little bug，Some do not even find innocuous，Really astonishing!

but，I am afraid that these bug inside[……]

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GoAgentX PAC failure solutions

Mac OS

If you have previously installed a GoagentX ，Then uninstall the，Then reinstall，Maybe you will find that even opened the PAC model，Also ran "global" status。

This，On ip138 can validate。

I try to use my own generated a variety of PAC，Results simply can't even get on the net😅

Then just see a message，They are resolved：

"On the GoagentX configuration page restoring factory configuration"

Turns out，Really good![……]

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Let Xcode using Solarized Dark color theme

Swift

Looks like this topic has been very fire Solarized，This is a terminal text color color scheme，Very nice，There are two kinds of light and shade，but，According to my own guess，Some more than it should be dark ......

Click below to jump to the official website。⬇️

Because the terminal is generally a little good-looking black😜

In short，The color theme for many terminals provides configuration files can be imported directly into，For example, the terminal comes osx，There iterm etc.。Later, some people think，If you are using IDE programming development time，generation[……]

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Talk about MVC and software development of SoC

ASP.NET Java Swift Programming Development

No matter what language you are learning，Will probably encounter a called MVC concept，It is a program development model，"Isolation and show" as the core，In the hierarchical framework has a great influence。

MVC Is a shorthand，Three uppercase letters corresponding to Model View and Controller 。

Now we create a application software，In many cases have to use GUI graphical interface，But also using the CLI Command Line Interface，In addition to，Sometimes even have to cope with the situation both use。[……]

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Swift Int Float Double String type convert

Swift

In the C language which，To convert type does not seem to how difficult，The learning Swift when there is confusion。

Which of them seem to remember spoken tutorial，But remember，This has found，On record：

To convert to Double Int or Float ，It is as follows

To convert Int，It is as follows：
[cr[……]

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Direct application in Xcode preview UI

Swift

Do app using Xcode application development time，UI interface design what application is commonplace，But every time and then run the simulator to view the output of a very troublesome thing，Especially when you need to modify many elements、And the need to fit a variety of screen sizes with the time - after all,，Now iPhone product line is no longer so a single。

so，Breath simulator to run three or four kind of thing I'm afraid it was only able to give you out。

In fact，Xcode is not did not give us a more convenient option - the story[……]

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What is a programming language?

Swift

Since you want to learn programming，Then we should at least know their own learning is what it okay?

Speaking of programming，In fact, the earliest still have to catch up with our big brother Alan Turing God go。At that time Turing invented Turing machine - this thing is very fast hardware，Finish all had easily shortened to two years of World War II where we do not start speaking up，We say that the main，The Turing Machine，Basically it is the first computer!

of course，Textbooks do not say that von Neumann computer is the father of it? Ok，I will not tell you they stir the base to the course ......，Well that is hooked up[……]

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Swift Common Types of data

Swift

Now most of the high-level programming language，All evolved from the classic C language，You grammar which in these programming languages，More or less can be found in the shadow of a fraction of the C language，This is why a lot of people still recommend，From the C programming language into the language of the door。

but，C language is indeed a sufficient old，Many people are directed to write a program target learning to play the APP，You to learn C language ...... sorry，Probably a whole book finished school，You can not write a beautiful beautiful UI interface。

but，anyway，To learn Swift[……]

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Watercress FM song list access

Swift

Swift recently started learning the，It is like "hello world" as，Each language seems to always have a "write Douban FM" project tutorial😶

In short，I started using this process taught to become familiar with the development process，but，Only yesterday did show playlists and display the song Cover，Today adds playback collapsed flash back!

Ok，Even if the newly added code commented out，Original code can not run correctly。You see，There has been such a universal error：
[crayon-6903b[……]

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How to use the gem in the country

Ruby

If you want to know Ruby，Ruby or want to install several software packages on your computer，You can easily use RubyGems a key to download - just like in the Ubuntu apt-get、Similar redhat in the yum etc.。

so，Want to install Ruby packages，You will need to gem。but，In addition to installing gem (if your computer is Linux or osx，It may have been built，Use the command "gem -v" to verify)

But the version may[……]

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Could not load the image referenced from a nib in the bundle running on device

Swift

In use xcode Make a program when，We generally use some pictures instead of stiff off button text，Make the interface more beautiful。

but，When adding pictures，I met when editing storyboard You can display，But the problem when the program is running, but can not be displayed。

View Record found error：

Nations on swift Development of documentation and Q is too small，Even the tutorial is ambiguous - it[……]

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VM most serious vulnerabilities Venom cloud services is threatened!

Exchange of Experience News

This afternoon，I'm knocking Code，Then on the west coast, a vps sent e-mail，Said server to restart Update，And I happen to have a vps is there in his。In addition to hardware and general maintenance accident，Cloud services basically online - after all，“High availability"It is the main subject of cloud services。

but，This time is different，Just today，The new virtual machine loopholes available，Exploit this vulnerability，You can make every minuteBreakthrough virtual machine restrictionsAnd get to the other servers in the same server access! Then use the information to other servers，And then we can continue in-depth infiltration[……]

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Open nat masquerading and port forwarding on ufw

Linux

Possible until now，You have been very skilled how to open nat and port forwarding on Linux - after all, this operation may also require a server at the time of deployment。But its operation is too cumbersome，Especially when we use edit iptables ufw after that，But you can not directly edit the iptables，This time in the end what to do it?

wantUse ufw to open nat masquerading and port forwarding，You can refer to this articleUnder Ubuntu more simple firewall Uncompli[……]

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Ali cloud Ubuntu update image source

Linux

Update：for some reason，Ali cloud is no longer recommended updates the source，Give youThis page，Click to go can help you generate USTC mirror automatically depending on the version update source。

In order to facilitate their own domestic vps server configuration updates，Usually all you need to change and update the source dns，Do not try to patch ............ otherwise life short，NetEase previously used source but recently always cramp，So nowRecommended Ali cloud。

Another，You can enter "in a terminal serverlsb_release -a"Command or see"/etc/issue"file[……]

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Under Ubuntu more simple firewall Uncomplicated Firewall

Linux

we all know，Among Linux system has a very fast hardware firewall is called iptables，It can do far exceeds the scope of the firewall, but ......，usually，We only used it as a firewall to use。

but，If you just want a port policy，That does not seem to need to face iptables That lengthy configuration commands。Now，I'll introduce you to the other, a more simple firewall：

Uncomplicated Firewall

A very clear look at the name "uncomplicated fire[……]

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Goodbye hooligans，Goodbye dnspod

Exchange of Experience

As the once booming domestic DNS resolution service providers，dnspod In the godaddy NS has just been certified during that time to resolve domestic high speed services of good quality and recommended by the majority of Web hosting providers，Our group of mindless small bloggers will have to takeThird-party NS resolution。

Actually, I was dnspod It's nice, too，Resolved faster，Creates a new domain name，Starting from a few minutes to take effect now only takes a few seconds to，Really make a lot of heart--in addition to being attacked，Ok，Good now。

————[……]

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SNI Proxy accelerate the deployment of anti-Generation Web access without certificate

Linux The internet

We all know that you can use nginx trans-generation capabilities to achieve cross-border access network，but，This approach has a lot of constraints，For example, it is difficult to achieve login authentication，For example, the need for a separate forwarding module compiler to do，For example, you need to have a valid signature ssl certificates, etc.。

this time，We introduce an additional artifact SNI Proxy，With dnsmasq with sniproxy certificate can be achieved without any anti-Site Generation。It uses technology to SNI TLS connection via TCP proxy to the destination site，This avoids[……]

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Compile and install anti-pollution dnscrypt-wrapper build DNS server

Linux

All to known，I want to get them abroad towards LAN DNS information，Will certainly suffer keywordPollution。to this end，Some people thinkUse exception port，For example, instead of using 5353 as the current DNS dedicated port 53-- Girl Friend Wall Only 53 pollution；It was also thought of using a TCP connection request，Because DNS response mechanism（参考 DHCP）I decided itResponse to accept a return of，Behind will be discarded，The use of TCP is forced to accept the selected data packets；Some people even thought of those made pollution[……]

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