from influxdb import InfluxDBClient
import random
import time
host = "localhost" #influxdb IP
port = 8086 #influxdb port
username = "root" #influxdb username
password = "root" #influxdb password
dbname = "sample" #database name
# json object template
obj = {'measurement':'temperature', 'tags':{'location':''}, 'fields':{'value':0}}
# arrays for location names and temperatures
locations = ['kitchen', 'bedroom', 'living room']
t = [20] * len(locations)
client = InfluxDBClient(host, port, username, password) # connect influxdb
client.create_database(dbname) # create database
while True:
for i in range(0,len(locations)):
t[i] = round(t[i] + random.uniform(-0.5, 0.5), 2) # generate temperature
# prepare data object
obj['tags']['location'] = locations[i]
obj['fields']['value'] = t[i]
print(obj)
# write data to influxdb
client.write_points([obj], 'ms', dbname)
time.sleep(1)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Welcome</title>
<link href="css/page.css" rel="stylesheet" type="text/css" />
</head>
<body>
<h1>Hello, welcome to static page.</h1>
</body>
</html>
h1 {
color: #ff7777;
font-style: italic;
}
@RestController
public class RequestHandler {
@RequestMapping(value="/func", method={RequestMethod.GET, RequestMethod.POST})
public String handler1(@RequestParam(value="name", required=false) String name,
HttpServletRequest request, HttpServletResponse response) {
String user = (name==null || name.isEmpty())? "world": name;
String host = request.getRemoteHost();
String result = String.format("Hello, %s! You are from %s", user, host);
return result;
}
}
java -jar greeting-0.0.1.jar
server.port = 88
| List | Tuple | Set | Dict | |
|---|---|---|---|---|
| element type | object | object | object | key-value (object-object) |
| ordered | Y | Y | N | N |
| mutable | Y | N | Y | Y |
| duplicable | Y | Y | N | N (unique key) |
| example | [1, 'b', 3, 3] | (1, 'b', 3, 3) | {1, 'b', 3} | {'a': 1, 'b': 'hello', 'c': 'hello'} |
sudo apt-get install python3=3.5.*
sudo python3 -mpip install matplotlib
sudo apt-get install python3-tk
CREATE TABLE public.test
(
oid bigint NOT NULL,
data text,
jdata1 json,
jdata2 jsonb,
CONSTRAINT "PK_TEST" PRIMARY KEY (oid)
)
public class CTest {
private long oid;
private String data;
private String jdata1;
private String jdata2;
// getter/setter略
}
<resultMap id="test" type="CTest">
<result property="oid" column="oid"/>
<result property="data" column="data"/>
<result property="jdata1" column="jdata1"/>
<result property="jdata2" column="jdata2"/>
</resultMap>
<insert id="newTest" parameterType="Map" statementType="PREPARED">
insert into test (oid, data, jdata1, jdata2)
values (#{oid}, #{data}, cast(#{jdata1} as json), cast(#{jdata2} as jsonb));
</insert>
<select id="getTest" resultMap="test" parameterType="Map" statementType="PREPARED">
select * from test where oid=#{oid};
</select>
public void newTest() throws Exception {
JSONObject o1 = new JSONObject();
o1.put("name", "Yoyo Chen");
o1.put("age", 25);
o1.put("qualified", true);
Map map = new HashMap();
map.put("oid", 333);
map.put("data", o1.toJSONString());
map.put("jdata1", o1.toJSONString());
map.put("jdata2", o1.toJSONString());
execute("newTest", map);
}
public CTest getTest(long oid) {
Map map = new HashMap();
map.put("oid", oid);
CTest t = (CTest) selectOne("getTest", map);
return t;
}
javax.mail.MessagingException: Can't send command to SMTP host;
nested exception is:
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1564)
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1551)
at com.sun.mail.smtp.SMTPTransport.ehlo(SMTPTransport.java:935)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:426)
at javax.mail.Service.connect(Service.java:310)
at javax.mail.Service.connect(Service.java:169)
at javax.mail.Service.connect(Service.java:118)
at com.ruby.vtun.entity.GeneralMail.send(GeneralMail.java:133)
at com.ruby.vtun.entity.GeneralMail.main(GeneralMail.java:161)
Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1884)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:276)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:270)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1439)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:209)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:878)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:814)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1016)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1312)
at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:702)
at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:122)
at com.sun.mail.util.TraceOutputStream.write(TraceOutputStream.java:114)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1562)
... 8 more
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:385)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)
at sun.security.validator.Validator.validate(Validator.java:260)
at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:326)
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:231)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:126)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1421)
... 19 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:196)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:268)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:380)
... 25 more
if (gcm == null) {
gcm = GoogleCloudMessaging.getInstance(parent);
}
String regId = gcm.register(Global.GCM_SENDER_ID);
response.setHeader("Connection", "close");
header("Connection: close");
<a href="#" onclick="return handler(event)" oncontextmenu="return handler(event)">CLICK</a>
function handler(e, id) {
var clickType = 1; //1:left-click; 3:right-click
if (e.which) {
clickType = e.which;
} else if (e.type) { // for IE 8
if (e.type=="click") {
clickType = 1;
} else if (e.type=="contextmenu") {
clickType = 3;
} else {
clickType = e.button+10;
}
}
alert("click type: "+clickType);
return false;
}
在Chrome 42, FireFox 37, Opera 28, IE 11/8上測試都OK
