Cocoa Binding practical tutorial

First of all, this is not a new technology,It's very old,So old that almost no one mentions it。

This is a product of Apple's MVC model,It was born when there was no iPhone,It is used in conjunction with the Xcode graphical setting interface-such as NIB,of course,Now it has become XIB,Oh,And storyboard。

Now if you want to bind one[……]

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Xcode plugin is missing and does not display the solution

In system preferences,Xcode extensions are not displayed

In a previous article, I introduced a way to install multiple versions at the same time Xcode Tool ofUse xcode-install to manage Xcode versionsBut when there are multiple Xcodes in your system at the same time,Will cause system confusion,Make Xcode plugins unrecognizable,The main manifestation is that it is not visible at all in the system preferences Xcode pluginOptions-just like you[……]

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Use a third-party mouse without a driver on macOS

Enable management of Logitech mouse

All to known,macOS to third partiesmouseVery picky,If it is an ordinary office mouse,That almost works,At most, the fixed DPI requires adjusting the mouse speed.,But if it goes up to a gaming mouse with more buttons,There are many problems。

Not necessarily for playing games,For example, a mouse with forward and back buttons is very useful when writing code。

In General,The famous mouse will support macOS[……]

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Use xcodebuild to archive and export app

I wrote an article beforemacOS app script to automate notarize,But there is no mention of using code to automatically compile and generate App scripts,After all, there are many tools to complete this step,For example, fastlane。

I didn’t think about automation before notarize,And at the time of writing that article Fastlane has not yet supported not[……]

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/usr/libexec/lsd occupied 100% CPU solution

Suddenly discovered a large number of writes on the disk recently,Open the task manager,Found a process called "lsd" continues to occupy 20% – 40% CPU,Very strange。

After some inquiries,Learned that this process is a system process on macOS and iOS,Full name is "Launch Service Daemon",Responsible for all App file type association and startup。But its[……]

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Use xcode-install to manage Xcode versions

we all know,There is pyenv when using Python,If you use ruby, there is rbenv,Can easily control and manage the version of the programming language environment,Then,Is there any way,Can Xcode switch versions like this?

Every time Xcode releases an update,More or not has become a problem,Difficult to download,Can't resume,Can't use third-party tools to download,[……]

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clang: warning: libstdc++ is deprecated; move to libc++ with a minimum deployment target of OS X 10.9

Normal,You will encounter this error when installing a Python package,This package must be a package containing C ++ code。

This is due to incompatibility after macOS update,In General,The maintainer of this package should already be compatible with this particular situation:

So on macOS[……]

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Categorized as Python Tagged

Python detects its own memory footprint in real time

Recently doing text statistics,Implemented in Python,Encountered an interesting problem-how to save statistical results。

Writing directly into memory is really impossible,Memory exhausted after ten hours,The program was forced to close。If you write directly to the database,Each write is too slow,It's been more than ten hours,If you go on like this, you will have to count on the week,Not a solution。

At last,I thought of a solution that does both[……]

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