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Instead of learning a new language, AR can be done only with the knowledge available at the front end. And in our familiar Web environment, it can be done without APP. 1. What is A-Frame The naming of this framework matches the "and" of mobile 4G, resulting in a perfect miss of all keywords. A will be ignored by browsers - conju ...

Author: Tilting 0x00 Preface This is an authorized harpoon case. It's also an attempt. It's not rich in experience. 0x01 Harpoon Attack Harpoon attack is one of the hackers'attacks. The most common way is to use Trojan Horse program as an attachment to e-mail and send a very attractive name to the target computer to induce the victim to open ...

Previous words: The original intention of this article is actually this. Recently, I want to guide users into the setup interface of the system when they start APP. So I saw this code on the internet: Intent intent = new Intent(); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); if(Build.VERSION.SDK_INT >= 9){ intent.setAction("android.s ...

Newcomers come to Sa, Bao Jiao Bao Club, increase knowledge and teach routinesExperimental Environment: VMware Virtual Machine, CentOS-6.9 Operating SystemExperiment Details: Remove boot directory in partitioned case and repair to remove fstab fileDelete the boot directory by mistake, don't panic, follow the blogger step by step to rebuild itFi ...

Ad-Hoc refers to a command executed temporarily under ansible and does not need to be saved. playbook is said after complex commands. When it comes to Ad-hoc, we need to mention modules. All command execution depends on pre-written modules. The default installed ansible already has many modules, such as command, raw, sh ...

Shell Initial (2) Shell Operator Shell basic operator Shell, like other programming languages, supports a variety of operators, including: Arithmetic operator Relational operator Boolean operator String operator Native bash does not support simple mathematical operations, but can be implemented by other commands, such as awk and expr, e ...

This is a simple demo written with reference to the open source project on Google's official website and the serial communication on the Internet. Just contacted NDK programming and serial communication, maybe a lot of writing is not very good, do not like spraying. Most of the code is in this Google serial open source project: https://code.g ...

Preface The ghost trigger is Zhong Ying. JSBox In the case of the app process being killed, the notification can also be fixed in the notification bar, even if the user clicks to clear, it can immediately pop up again, never disappear, unless the user closes the notification authority of App or uninstalls App, it can disappear. This function is ...

A little bit of eye Exc replaces the program that calls it with the exec uted program (the new program). Relative to the fork function, a new process is created and a new PID is generated. Exc starts a new program to replace the current process, and the PID is unchanged. Reference to the usage of exec function family: https:/ ...

Modular Exit the Python interpreter and reenter, definitions of functions, variables, and so on will be lost.It is better for larger programs to use files edited by a text editor as execution input, that is, to create scripts.When a program becomes very long, it can be split into several files that are easier to maintain.You may al ...