The previous two days upgraded PHP's RRD extension from an older version of rrdtool.so to the latest rrd.so
However, it is found that many functions are changed in the way they are called, mostly eliminating the configuration of Count ($opts), such as Rrd_create, Rrd_fetch, rrd_update, etc.Originally (string $filename, array $options, COUNT ($opts)) Three parameters are now simplified to (string $filename, array $options) two parameters
But the headache is rrd_fetch. The return value format of
the collection. Sellerid.dept represents the Dept field for the record that corresponds to the Sellerid field.Days and Depts are from the parameters of the report, if you enter 30, "Marketing,finance", then the results of A4 are as follows:A5: Get the fields from the A4 that the report requires, and the result is as follows:Result set UnionThe result set DS1 and DS2 have the same structure, from MySQL and text files, which need to be
Repeatable grouping reports are common and troublesome tasks in report development. Repeatable grouping reports mean that the same record appears in different groups for repeated statistics. Common repeatable grouping reports have two types: Group Interval intersection, for example: count the number of users between the ages of 20-30, 25-35, and 30-40. The other is the inclusion of grouping intervals, for example, the summary data of each region and major cities in the region, "North China, incl
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Select the Stored Procedure dataset and use the class Stored Procedure Call method. The "age group" is the name of the Set calculator script (DFX.
Report Template
650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M00/3C/BA/wKiom1PDMwDxBijaAAB0EHPENkA968.jpg "Title =" esproc_repeat_group_4.jpg "style =" float: none; "alt =" wkiom1p
;
Different from association in reports, in a report template, a set computing report directly creates a group report based on a result set returned by the Set Computing script, thus achieving higher performance, the following describes how to associate a report:
Association implementation in reports
Dataset
Ds1: Select customer. region, customer. city, order details. quantity, order details. discount, order details. unit price, order. employee ID, or
Because infopath web browsing does not provide multiple options, the solution is:
Implement with repeating table
Read the data to be displayed from a data connection and display it in the form of a duplicate table.
Routine:
If (! This. New) return;Xpathnavigator root = maindatasource. createnavigator ();
Datasource mydatasource = This. datasources ["ds1"];Xpathnavigator T1 = mydatasource. createnavigator ();Xpathnodeiterator T2S = t1.select ("DFS: m
machine !!These two points are very important.2) First, The UART driver will be suspected. Search for serialsc8800_startup to see the UART driver, but it cannot be seen .....3) Add the print information to the main function in brcm_patchram_plus.c. The firmware will be downloaded from the function every time the FM is opened. It is found that the proc_reset () function is used,However, this is the process of sending cmd to bcm4330 through UART, And the download of firmware has not yet reached.
Thread. currentthread (). isinterrupted () // check whether the current process is in a non-interrupted state
A process is a static concept. Generally speaking, the execution of a process refers to the execution of the main thread in the process. In our machine, the actual execution is a thread.
1. multi-thread example for implementing the runnable interface /**
* Class for implementing the runnable interface
*
* @ Author leizhimin 18:12:10
*/
Public class dosomething implements runnable
Today, I saw the CPU usage of the company switch. Found high, normal at around 40%. Why? Use
# Show process CPU.
PID Runtime (MS) invoked usecs 5sec 1 min 5 min tty Process
241 3582484836 393202721 9111 9.42% 14.50% 14.41% 0 SNMP Engine
No, SNMP actually consumes a lot of CPU. Why is it so high?
Use show run | begin SNMP to view details. Hey, I found that almost all traps-related functions have started.
SNMP-server enable traps SNMP Authentication linkdown linkup coldstart warmsta
Java multithreading simple example 2 -- Implement the Runnable interface and multithreading runnable
/*** Class implementing the Runnable interface ** @ author */public class DoSomething implements Runnable {private String name; public DoSomething (String name) {this. name = name;} public void run () {for (int I = 0; I
/*** Test the multi-threaded program implemented by the Runnable class ** @ author */public class TestRunnable {public static void main (String [] args) {DoSomething
datatable createdatasource () { string strconn = "Server = localhost; database = LIMS; uid = sa; Pwd = sa ;"; string strsql = "select * From arrear where guestname = '" + Id2 + "'"; sqldataadapter da = new sqldataadapter (strsql, new sqlconnection (strconn); dataset DS = new dataset (); da. fill (DS);
dataset ds1 = Ds. clone (); dt = ds1.tables [0]; // int I, K = 0; for (I = 0; I
DT. impor
stored in the A2 lattice;
A9: Create a new sequence table based on the associated results. The result set is returned for the report through A10.Prepare reports
After creating a report template in the Set Computing report designer, select "Set Computing" for the dataset. In the dataset editing window, specify the preceding DFX file to complete the dataset creation.
Set the report template expression:
Different from association in reports, in a report template, a set computing report directly cr
configurations in the project, this is only relevant for data sources)# main data source, defaultSpring.datasource.driver-class-name=com.mysql.jdbc.driverSpring.datasource.url=jdbc:mysql://localhost:3306/testSpring.datasource.username=rootspring.datasource.password=123456# More data sourcesCustom.datasource.names=ds1,ds2Custom.datasource.ds1.driver-class-name=com.mysql.jdbc.driverCustom.datasource.ds1.url=jdbc:mysql://localhost:3306/test1Custom.datas
TDM network. Packet switched networks are used to simulate the behavior of TDM circuits and are therefore referred to as "circuit emulation" (Fig. 1).
The circuit simulation requires the interactive connection function at both ends of the packet switching network. At the entrance of the packet switching network, the interactive connection function converts the TDM data into a series of groupings, and the TDM circuit is regenerated by this series of packets at the exit of the packet switching n
It programmer development Essentials-all kinds of resources download list, history of the most IT resources, personal collection summary. Troubleshoot message attachment garbled problem
Associate a data source for attachment 1
DataSource DS1 = new Filedatasource ("C:\\Documents and settings\\administrator\\ Desktop \\river.jpg");
DataHandler DH1 = new DataHandler (DS1);
Attch1.setdatahandler (
/int main (void) {/* Configure the GPIO pin mode used by the Shenzhou III LED lamp */Rcc_apb2periphclockcmd (rcc_gpio_led, ENABLE); /* GPIO clock to enable LED lights */Gpio_initstructure.gpio_pin = ds1_pin| ds2_pin| ds3_pin|
Ds4_pin;
Gpio_initstructure.gpio_mode = gpio_mode_out_pp;
Gpio_initstructure.gpio_speed = Gpio_speed_50mhz; Gpio_init (gpio_led, gpio_initstructure); /* The LED lights associated with Shenzhou III are initialized with the GPIO port */gpio_setbits (gpio_led,ds1
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