How to learn programming language Swift?

Swift

In retrospect，I am now off and on since May begin to learn language Swift are nearly six months，From the program have no feeling at all，To the present"Open practice"，Experienced a lot of。Might say for a master who worked for many years，These are too shallow，The phrase "you needProject experience"You can kill me blood slot-1，But for most, like me, "small white"，I think I just came past six months can be replicated。

对于 OPEN(Object Oriented Programming)Entry，I started learning from Swift。So far，I can remember all the[……]

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iOS 9 IPhone Configuration Surge use Shadowsocks achieve global science Internet

Taught you science Internet The internet

Since the iPhone update iOS 9，Update SDK also updated a number of new API，That we have such a powerful development tool Surge。

It can intercept all the traffic of your iPhone，Including cellular networks and WiFi! and so，Surge Global http proxy support iPhone，https proxy，sock5 Agent。

As usage，I know，You know。In addition to its support for global proxy，You can also set a separate DNS(No longer rely on using and configuring sniproxy A[……]

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A random number in C #

C# Programming Development

During the development time，You will inevitably use a random number。And still more when，We need to generate a series of random numbers numeric string spare。Fortunately, however, a variety of programming language provides a simple and easy to use pseudo-random number generator for your use，For example, in the C # Random。

but，C # is the default system clock Random seed - this method is simple and crude，Unfortunately, once the case a short time generate a lot of random encounters on the stretched - a bunch of the same random number to jump out，But precisely because the random，It will have the same number appears，but[……]

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Ocserv build server using Cisco Anyconnect

Linux The internet

Some time ago the appleID theft uproar，I determined to return to prison upgraded 9.0. This is just great，Shadowsocks can not be used。This concerned me quite envious of Android phones……Use Surge let go Shadowsocks iOSRealize Scientific Internet。

In short，We still have to work hard in the VPN, right up and down iOS。Today's VPN has been certified almost，Because although they cryptographic security，Could not help but feature detection - Well，After all, this thing saysNot to conceal born[……]

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App Store in the Swift 2 App

Tech World in Chinese

Swift 2 Ready to launch the。You can now submit with Swift 2 app latest features 。It makes your code more readable and to force，Included guard ，The new error control module and the availability of control。

Be sure to use Xcode7 To compile your application and use OS X El Capitan The GM version，And the final version of the iOS9 and watchOS2 。

Xcode 7[……]

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Homebrew update 遇到 Error: Failure while executing

Mac OS

In use brew when，Often you will encounter all kinds of weird errors，Such as updating time often encountered：

and this：

Experiencing these problems，Eighty per cent of your brew directory permissions error。

Use the following command to repair：

if not，The following command to install[……]

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How to use the "Encrypted Folder" on OS X

Mac OS

Many people know Windows On a variety of encryption software can be downloaded，Cryptography Let's first large-scale machine and large organizations on an equal footing。

For example, the industryAES encryptionThe current situation is still very safe，exist WindowsOn You may need to use some third-party software to achieve - for example, the easiest rar software can also achieve the basic encryption。But in my big OS X on，You can use the built-in disk management software to achieve encryption。

Disk Manager

Use Spotlight to quickly locate Disk Utility：[……]

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Why don't I turn on "find my Mac"

Mac OS

For iPhone users in terms of，You may be optimistic. "Find My iPhone"This feature，Uh，This feature is really good。but，If you put this on a good impression to the Mac，It may be a little less fit。

OS X's iCloud and iOS as，There is also "Find My Mac"Option：

but

For the average user，Open it is good for something - at least can be changed to add a bit of trouble thief。

Since the Mac is a computer - uh，Yes, that's right，It is a computer and[……]

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Build OpenConnect VPN server AnyConnect (ocserv)

Linux

This article had written the，But never had a chance to do the experiment too--estimation，Anyway, writing，I will come，Everyone if necessary in conjunction with a look at ... ...?note，Please refer to theLatest notes！

To build on the server ocserv，Should first install dependency

Download ocserv

access ftp://ftp.infradead.org/pub/ocserv To view the latest version，Then according to the version under[……]

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Avoid DNS leaks on OS X

Mac OS Exchange of Experience Taught you science Internet The internet

Recently more and more high wall，With the relationship between fascism and the moon cake festival，Many also demolished the ladder。Even developers are also several ladders?，So，In addition to "How science online," this issue，"How to stay safe online," this issue has become more and more people can not be ignored。

I know all of you not only to use，It is a general use computer access，I think this issue should also receive attention。Everything you say in the network above all by your service provider、ISP unavoidably record ...... It was originally a good purpose - once over the network thugs attack，We can quickly arrested him[……]

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In OS X 10.11 Compiled Twister

Mac OS Taught you science Internet The internet

Twister He is a famous anonymous to the center of the micro-blog system，It borrows as we know itBitcoinas well as P2P protocol，Let microblogging can no longer be deleted posts，This is an anti-censorship microblogging system。but，Its use at present may not be opened as simple as microblogging website login account to。In the local computer to install a pre-compiled client is a good choice - but OS X, not so easy to do，Students want to try can be consideredto hereLook。

But unfortunately, the link above does not compile the latest Twist.[……]

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Slow brew update image update source solutions

Mac OS

Brew is similar to apt-get and yum package manager is a OS X,，It relies on Github ..................

so，While you are lucky enough to be downloaded to the brew，But you certainly can not update the brew。Cause you know。However, although it can not update brew，But this only refers to brew the manager itself Bale，Or software that can be installed。However, due to not use brew update Will not be able to update the software ...... we need to give b[……]

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GoAgentX subsequent maintenance and use

Taught you science Internet The internet

Shadowsocks author clowwindy tea recently and then emptied his entire project code。One week after goagent quietly clear out all of your project's code。Github is a massive DDOS attack。

existIt is time to use the PAC whitelistArticle I introduce an anti-gfwlist road white list PAC，It is different from the former GFWed domain name match，But no match is GFWed domain name ... ... All right，I personally agree with the author of the idea - now the trend is to use whitelists[……]

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It is time to use the PAC whitelist

Taught you science Internet The internet

As early as 12 years time，I wrote an article，More beautiful intelligent PAC! -Flora，introduced Flora this project，At that time we said gfwlist Every so often it needs to be updated to run well，Otherwise, there will be a lot of pages does not open。

gfwlist blacklist is an open source project，It consists of thousands of users gathered from contributions，In order to achieve the domain name was GFWed ADF Agent；The Flora of China from IP boost access to IP addresses，Thereby generating intelligent PAC ，On foreign[……]

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Add a background image to a web

CSS

Sometimes we do a simple placeholder page out，This page does not need any of the content，Simply a background image to chapter，But simple things are often more difficult to achieve。

This is what I wrote a page directly encountered problems，Code like this：

It looks perfect solution, right? But actually they encountered a problem a pit father - white side! and，Wider than the width of the browser so a crack!

Ok，I div removed - too，[……]

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Blue light Lantern 2.0 Official release

Taught you science Internet News

As early as last year， Lantern It has been released，Worldwide sharing tools as a new breakthrough blockade。When it is completely closed beta，You need to apply and wait for the message to verify。However, it is based on Java，Mac version of the basic disability ......

If you have a ladder，You can watch a video below，This is available when the time Lantern，Official website released a promotional video。

Doing great。

https://youtu.be/JMm3VILJLvY

After a long period of time，Lantern has sent[……]

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WordPress Chinese users to upgrade 4.3 Backstage after the problem is solved

Wordpress

In the previous article in which I Tucao own stupidity，But then I successfully solved the problem。

Now look at how to do it

Symptoms

First Symptoms，Chinese version of Wordpress (especially upgrading from an older version all the way up) users to upgrade to 4.3 You may encounter backstage after the editor can not switch the "Visualization" and "text" mode，"Add Media" button is disabled，Missing code highlighting and third-party plug-button issues such as the failure MCE plug-ins。

Of course, the last one to go twice to save your changes plug-in page。

solve[……]

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WordPress updated! 4.3 Billie

Wordpress

Luckily the first time more 4.3，Editor finally native support for pseudo markdown

The first support icon Set the entry

Edit menu when finally able to instantly display

New users can then automatically create strong passwords

——————

I want to say ............ background enhancements and code highlighting that this is no trouble even ah! ! ! !?

Start tragedy

Last night, the same night the last episode of American TV chase is over，Since then finally updated to keep up with the pace ...... getting ready for bed when suddenly a small partner told me that："Hey!Wordpr[……]

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