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1. The front-end interface contains a popup box with a parent-child relationship that is not properly called in the subclass, please look at the program2. When the database corresponds to a table mapping, a field has been mapped to a table in the table, but later manually changed the field to map to table B, and after the update mapping is started, run an error "Parent not found".Because this operation changes the field mapping table in the database w

Tags: stored procedure con name profile addThe stored procedure ' dbo.aspnet_checkschemaversion ' cannot be found in ASP.After completing the profile's webconfig configuration, the runtime "cannot find the stored procedure ' dbo.aspnet_checkschemaversion '" error.My Web. config configuration is as follows: connectionStrings> add name="Con1" connectionString="Data source=haso33cn/sqlexpress ; Initial Catalog=db_netshop; Persist Security info=tr

Learning Project code when want to look at the source of the cookie, has been determined to download to the local, but Ctrl + Left key point in, hint source not found (such as), Gray often wonder, then Baidu, we generally think that need to install anti-compilation plugin jad.Looked at a few tutorials, tried to install several times did not succeed, is clearly I installed the Jad plugin, but also associated with the. class file of the document editor,

1. CREATE TABLE test6: foreign key named TEST3_FKMysql> CREATE TABLE Test6 (ID int,Test_name varchar (32),-Constraint TEST3_FK foreign key (test_name) references student (name));Query OK, 0 rows affected (0.40 sec)mysql> desc TEST6;+-----------+-------------+------+-----+---------+-------+|Field |Type |Null |Key |Default | Extra |+-----------+-------------+------+-----+---------+-------+|ID |Int (11) |YES ||NULL | ||Test_name |varchar (32) |YES |MUL |NULL | |+-----------+-------------+------+---

Tags: configuration file oar linu/etc/bsp article COM CLI BoardMy csdn blog address: Http://blog.csdn.net/caicongyangBloggers have previously modified the/etc/profile configuration file method, causing the bash command to be unavailableThe execution of the LS command results in the following: [plain] view plain copy -bash:ls:command is not found But fortunately the blogger backed up the/etc/profile before, so I restored the profile back

When using hibernate validator for parameter validation, we sometimes encounter javax.validation.UnexpectedTypeException:HV000030:No validator could be Found for constraint, such as in our application, uses custom annotations Dict to validate the enumeration, because the defined dict is applied to the string type, for example: Packagecom.yidoo.base.metadata.validate;Importjava.lang.annotation.Documented;ImportJava.lang.annotation.ElementType;Importjav

Recently looking at an automated testing framework of the problem, need to use the lxml library, download lxml always error.1, install lxml using PIPInstall lxml2, and then error, the error content is:InchfileIncluded from src/lxml/lxml.etree.c:139: src/lxml/etree_defs.h:9:Ten: Fatal error:'Libxml/xmlversion.h' fileNot found#include"Libxml/xmlversion.h"^1Error Generated.error:command'cc'Failed with exit status1----------------------------------------C

1. There are spacesJavax.el.PropertyNotFoundException:Property ' name ' not found on type java.lang.StringIn the Jstl tag attribute "" In the middle cannot have the space, the true death does not know how to die.Original: Remove the space in the middle of "${userlist}" and replace it with the following:2. Naming specification issues https://stackoverflow.com/questions/29075213/ Javax-el-propertynotfoundexception-property-emailaddress-not-

Reprinted from: http://blog.csdn.net/li396864285/article/details/42745071 solution Eclipse Multiple annotations found at this line Error eclipse multiple annotations found at the This line error, during Eclipse development, some XML configuration files will be error-proof, but these are actually not wrong, the reason for the red is because of the eclipse calibration problem.To remove the verification setup

After starting the virtual machine, it is discovered that eth0 does not exist.Problem phenomenon:Workaround (Me):1. See if the configuration of the/etc/sysconfi/network-scripts/ifcfg-eth0 is consistent with the external network configuration.For example, in NAT mode, whether the Ifcfg-eth0 is automatically acquired (DHCP) or static.My problem is that the Ifcfg-eth0 is set to static, but it is changed to bridge mode on the outside.Therefore, when the external bridging mode is changed to NAT mode,

The scene of the problem is probably1 Cron calls a Python script2 python script calls a shell script (for log parsing) to get the shell output and then send the messageSimilar to a monitoring task.There is no problem running the Python script directly, but after writing it in Cron. The relative path in the shell script cannot be found, always prompting that some files cannot be foundThe problem was solved by using the absolute path of the log file, an

Eclipse in a new Java project, break point Debug, Debug Small window display source not found, web search found a solution, here to record.Original address: http://blog.csdn.net/eoeandroida/article/details/41282783The original Evans dazzleWorkaround:1. Click the ' Edit Source Lookup Path ' button in the Debug window.2. Click the ' Add ' button in the pop-up window.3. Click the ' Project ' option in the pop-

An error occurred while executing the script in Ubuntu system "Source command not found in sh shell"This is actually a script that executes in Ubuntu by default with dash, not bashby command#LS -l 'whichsh/bin/sh --dashWe found that the SH used by default in the script actually corresponds to dash, not bash. In order to resolve this error, we need to modify the corresponding relationship so that sh correspo

Transfer from http://blog.csdn.net/abcjennifer/article/details/7573916Launch failed appears under Linux. Binary Not Found solutions:First of all, when you put the online about MinGW solutions are dizzy, tell you, don't look about MinGW. Linux does not use MinGW, directly completed by the Linux gcc1, look at your Eclipse console console output, if you have g++ not found, it means that your system g++ not ins

If the linked list intersects we can also judge, the rest is to get the linked list intersection nodeTopicGive the head pointers of two unidirectional lists, such as H1,H2, to determine if the two lists intersectProblem solving steps Determine if two "ring-free" linked lists intersect Found intersection nodes of two "ring-free" linked lists Determine if a linked list has a ring Determine if two "ring" linked lists intersect

A 32-bit system or program is typically the following error:/usr/lib/libstdc++.so.6:version ' glibcxx_3.4.15 ' not foundThe following URLs provide workarounds for 32-bit systems:Http://www.cnblogs.com/yingsi/p/3290958.htmlThe main contents are as follows: here reprint to prevent the future URL changes can not be found. Download new version, address: Http://ftp.de.debian.org/debian/pool/main/g/gcc-4.7/libstdc++6_4.7.2-5_i386.deb Assume that