Wechat, QQ this kind of IM app how to do - talk about Websocket
Android6.0 permission application package
On Android6.0 and above, the Permissions mechanism is changed to Runtime Permissions, which can cause crashes if the user does not grant Permissions. So we need to manually apply for some permissions in our code when we need them at runtime. Because and permission requests need to be performed in an Activity or Fragment, if...
QBlocker: No longer quit the app accidentally by hand (when typing CMD+Q)
This OS X app service will stop you from accidentally quitting apps by hand (when typing CMD+Q).
The Apache Pulsar message storage model
This is the second article in the Apache Pulsar series that explains Pulsar's message retention and expiration policies in detail. This article takes a look at how Pulsar is designed and stored in BookKeeper. As shown in the figure above, Pulsar provides the most basic pub-Sub processing model. First of all, Pr...
LocalStorage can also be used this way
If you only know how to use localStorage to store key/value pairs, you are out
Faced with the inevitable glitches, we built a God-view console
With the development of cloud protozoa, chaos engineering has gradually entered the field of vision of everyone. Through chaos engineering, high availability problems in the process of cloud protozoa can be well discovered and solved. In 2019, Alibaba opened source the underlying chaos engineering tool -- ChaosBlade. At the beginning of this year, it opened source again chaosBlade -- Box.
How do college students make money with programming? | my college to make money
In college, I opened Taobao, did projects, finally enlightened, earned nearly one hundred thousand. This article goes into a lot of detail about how you can make money with programming. I made money when I was in school, and you can do the same.
Do you really feel comfortable answering the phone?
We didn't take the method of sharing public account tweets this time, I want to directly see the effect. Do not finish the open source, write not finish hypothetic, nan Chen has been with you. This is the third in our interview series. In this installment, we'll take a look at an important part of Android's four components: Services. Before in the "Lanliu learning" article to see such a scene, very interesting, first to everyone...
In? GitHub AirTag v.21.21
When bitcoin fell to doubt life, looking at the "bleeding" of the purse, it is time to "pull" a wave of wool. Openhaystack lets you skip the AirTag ($200 +) but enjoy the same tracking experience. IPTV is for you
Challenge of building Tencent SNG log monitoring platform
Background Full link log monitoring can effectively improve the efficiency of problem location analysis and become a development and operation tool in the prevailing micro-service and distributed environment. There are already open source solutions and mature vendors. Such as