大约有 16,000 项符合查询结果(耗时:0.0349秒) [XML]
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注C++内核技术
...eys in a map
BPFTRACE_CAT_BYTES_MAX [default: 10k] maximum bytes read by cat builtin
BPFTRACE_MAX_PROBES [default: 512] max number of probes
BPFTRACE_LOG_SIZE [default: 409600] log size in bytes
BPFTRACE_NO_USER_SYMBOLS [default: 0] disable user symbol r...
App Inventor 2 FTP 上传下载全方案总结 · App Inventor 2 中文网
...运行应用程序时必须接受对 SdCard 的读写权限:
READ_EXTERNAL_STORAGE
WRITE_EXTERNAL_STORAGE
.aix 拓展下载:
com.KIO4_FTPCliente.aix
demo 下载:
KIO4_FTPCliente_demo.aia
TaifunFTP (收费的:$12,请自行研究)
地址:https://puravidaa...
使用 JSON 和 Web API · App Inventor 2 中文网
...个简单的JSON消息例子如下:
{
"name": "张三",
"likes": ["reading", "music"],
"hasTowel": true,
"widgets": 42
}
此 JSON 声明了一个对象(由 { 和 } 表示),key是冒号 (:) 前的带引号的字符串(例如,"name"),有不同的值,包括数组(方括...
使用位置传感器 · App Inventor 2 中文网
...eet address. You can use it to share your location with others, record “breadcrumbs” on a journey or treasure hunt, or as a way to take roll in class (as long as the students have Android devices!)
The sample apps below are simple but illustrate the basic way that location can be determined. Bo...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...eys in a map
BPFTRACE_CAT_BYTES_MAX [default: 10k] maximum bytes read by cat builtin
BPFTRACE_MAX_PROBES [default: 512] max number of probes
BPFTRACE_LOG_SIZE [default: 409600] log size in bytes
BPFTRACE_NO_USER_SYMBOLS [default: 0] disable user symbol r...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注C/C++及内核技术
...eys in a map
BPFTRACE_CAT_BYTES_MAX [default: 10k] maximum bytes read by cat builtin
BPFTRACE_MAX_PROBES [default: 512] max number of probes
BPFTRACE_LOG_SIZE [default: 409600] log size in bytes
BPFTRACE_NO_USER_SYMBOLS [default: 0] disable user symbol r...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...eys in a map
BPFTRACE_CAT_BYTES_MAX [default: 10k] maximum bytes read by cat builtin
BPFTRACE_MAX_PROBES [default: 512] max number of probes
BPFTRACE_LOG_SIZE [default: 409600] log size in bytes
BPFTRACE_NO_USER_SYMBOLS [default: 0] disable user symbol r...
APP INVENTOR硬件交互学习教程04——蓝牙控制继电器 - 创客硬件开发 - 清泛...
...loop() {
if(Serial.available()) {
inByte = Serial.read();
if(inByte == 'H'){ digitalWrite(relayPin, HIGH);}
if(inByte == 'L'){ digitalWrite(relayPin, LOW);}
} }
复制代码三、app inventor
3.1界面
...
APP INVENTOR硬件交互学习教程06——硬件参数上报 - 创客硬件开发 - 清泛IT...
...loop() {
if(Serial.available()) {
inByte = Serial.read();
if(inByte == 'H'){
digitalWrite(relayPin, HIGH);
Serial.print("ON");
}
if...
APP INVENTOR硬件交互学习教程07——多个参数上报 - 创客硬件开发 - 清泛IT...
...loop() {
if(Serial.available()) {
inByte = Serial.read();
}delay(1000);
sendPara();
}
复制代码
4.后续扩展,还可以添加更多的参数。
