Tips | Refresh Force Refresh Web page
' Mandatory refresh random verification code
' Let the Random verification code press the IE's back button each time, returns the login page the immediately code all automatically refreshes,
Response.expires=-1
When a WHERE clause uses a function for a column, the Oracle optimizer cannot use the index in the query unless the simple technique is used to force the index. In general, you cannot establish a specific condition on a specified column if you do
Recently in the tuning of a customer to find a very interesting phenomenon, for a complex query (involving 12 tables) to establish the necessary indexes, the statement used by the IO dropped sharply, but the execution time does not drop the reverse
Recently in the tuning of a customer to find a very interesting phenomenon, for a complex query (involving 12 tables) to establish the necessary indexes, the statement used by the IO dropped sharply, but the execution time does not drop the reverse
Recommended Practices:
It is convenient to install a Fatjar plug-in, and the jar pack can be run, including referencing the external jar pack and other files, and can be easily referenced to the jar bag.
After installing the plug-in, click on the
several ways the MAVEN project is packaged as a jar
Here is a collection of previously packaged MAVEN projects for jar packages in a variety of ways to package directly, do not package dependencies
Package directly, do not package dependent
The principle is the jar package +war package,
The war package is the original war package, and the jar package is the package that invokes jetty.
Determine the location of the current war in the package through (Jar package) code, and then invoke
Recently found a problem, sometimes repeated to an Android project Add jar and remove jar, found that thecompilation can be passed, but run up when applied to the external jar object, will throw java.lang.NoClassDefFoundError exception. Cause the
We need four things.
1 Jar 2 Default construction method 3bean.xml add the corresponding statement 4@resource
1 The spring jar packages that are used are listed below
Aspectjrt.jar Aspectweaver.jar Cglib-nodep-2.1_3.jar
Common-annotation.jar
A. Use the program in Eclipse and then make the jar package,
Program code:
Package TJU.CHC;
Import Java.io.File;
Import java.io.IOException;
Import Java.util.Scanner;
Import org.apache.hadoop.conf.Configuration;
Import
Error in JMeter calling itself to write class in Jar
Write your own Java class to hit the jar package, and put the jar package into the jmeter/lib/ext/directory, start JMeter, and write a script in JMeter to invoke the class in the jar package, the
Original: http://blog.csdn.net/yirentianran/article/details/6429240
When standard WEB engineering uses the M2eclipse plug-in to add dependency management in Eclipse, the dependent jar packages are not automatically copied to/web-inf/lib during
1, modify the MySQL configuration file
If the configuration file is My.ini, you can add the following two items to the My.ini:
Skip-locking
Skip-name-resolve
Note: In the new version of MySQL, skip-locking has been replaced with
The description of AOP in the spring official documentation is as follows:
Spring AOP defaults to using standard JDK dynamic proxies for AOP proxies. This enables any interface (or set of interfaces) to is proxied.
Spring AOP can also use cglib
The recent project is not very busy, finally have time to write a blog, take advantage of these days with some of the new features of Android to write the leopard frame, first look at the picture, and before the original version do not know what
Forcibly fixed the table size, in general, if the text increases the table will automatically stretch, and the script can be fixed table size, text increase will appear in the table scroll bar, looks like an inner frame, feel very useful.
In app development, there are times when the iOS and Android styles need to be set separately. This increases the amount of code and is particularly cumbersome. This can be forced to set the Android style to use iOS style.
The operation method is:
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