大约有 3,400 项符合查询结果（耗时：0.0238秒） [XML]
Android: How can I get the current foreground activity (from a service)?
...ibility_service_description"
xmlns:android="http://schemas.android.com/apk/res/android"
tools:ignore="UnusedAttribute"/>
Enabling the Service
Each user of the app will need to explicitly enable the AccessibilityService in order for it to be used. See this StackOverflow answer for how t...
快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...的），开仓500手，平仓446手，现在持仓54手。
(总体收益怎么样？我有个感觉不知道对不对啊。我觉得你说的好像是每天不停地下很多正反单。然后把符合盈利要求得平掉，然后重现开新单。留下浮亏的。直到浮亏的盈利再平。...
How to make an app's background image repeat
...ding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/actual_pattern_image"
android:tileMode="repeat" />
values/styles.xml:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="app_theme" ...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
...TIME_WAIT的等待时间
ubuntu机器设置
vi /etc/sysctl.conf
编辑文件，加入以下内容：
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_fin_timeout = 30
然后执行 /sbin/sysctl -p 让参数生效。
net.ipv4.tcp_syncooki...
VM 磁盘空间扩容引起的一些问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...备中可以认到LUN 60 LUN80 容量显示正确，但不能正确识别文件格式。在ESX1的数据储存中认到LUN60 LUN80的准确容量，在ESX2的数据存储中只能认到LUN60的正确容量，LUN80根本找不到。
ESX2主机在设备
LUN 60一切正常。
为...
Which is best way to define constants in android, either static class, interface or xml resource?
...a bytecode; project resources are compiled into a binary format within the apk. Accessing either is extremely efficient... if there is a difference between the two, it is trivial at most.
There isn't a set rule on how you should be using resources/constants in your project. That said, I personally ...
Android : Check whether the phone is dual SIM
...st add permission:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
</manifest>
To get network operator you can check mcc and mnc codes:
https://en.wikipedia.org/wiki/Mobile_count...
Build an iOS app without owning a mac? [closed]
...our build was complete. If complete you will be provided a direct link to .apk or .ipa file.
The only drawback to this approach is that it won't be as native as writing iOS app in Swift, and you will have to put up with parade of issues you may run into while developing with weakly typed js, npm, a...
Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是worker MPM，依此类推）。再查看缺省生成的httpd.conf配置文件，里面包含如下配置段：
<IfModule prefork.c>
StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxClients 150
MaxRequestsPerChild 0
</IfModule>
prefork的工作原理是，控制进程在最...
开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...。EMQX 支持与多种数据存储方式集成，包括内置数据库、文件、MySQL、PostgreSQL、MongoDB 和 Redis。此外，EMQX 为用户提供了黑名单功能，用户可以通过 Dashboard 和 HTTP API 将指定客户端加入黑名单以拒绝该客户端访问，除了客户端标识...