带有 PostgreSQL JDBC 驱动程序 42.3.5 的 Hibernate 6.0.1 会导致以下异常:
java.lang.UnsupportedOperationException:
CteInsertStrategy can only be used with Dialects that support CTE that can take UPDATE or DELETE statements as well
at org.hibernate.query.sqm.mutation.internal.cte.CteInsertStrategy.<init>(CteInsertStrategy.java:123)
at org.hibernate.query.sqm.mutation.internal.cte.CteInsertStrategy.<init>(CteInsertStrategy.java:107)
at org.hibernate.dialect.PostgreSQLDialect.getFallbackSqmInsertStrategy(PostgreSQLDialect.java:704)
...
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出了什么问题以及如何解决该问题?
MyEntity.java
java.lang.UnsupportedOperationException:
CteInsertStrategy can only be used with Dialects that support CTE that can take UPDATE or DELETE statements as well
at org.hibernate.query.sqm.mutation.internal.cte.CteInsertStrategy.<init>(CteInsertStrategy.java:123)
at org.hibernate.query.sqm.mutation.internal.cte.CteInsertStrategy.<init>(CteInsertStrategy.java:107)
at org.hibernate.dialect.PostgreSQLDialect.getFallbackSqmInsertStrategy(PostgreSQLDialect.java:704)
...
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MyTest.java
import jakarta.persistence.*;
@Entity
@Table(name = "my_entity")
public class MyEntity {
private Long id;
@Id …Run Code Online (Sandbox Code Playgroud) 设置cookie(不显式设置JS断点)时,是否总是有可能中断FireBug(或其他Web开发工具)中的javascript执行?
document.cookie = '...';
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哈里
假设我们有一个 shell 变量,$x其中包含一个以空格分隔的 1 到 30 数字列表:
$ x=$(for i in {1..30}; do echo -n "$i "; done)
$ echo $x
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
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我们可以像这样用 AWK 打印前三个输入记录字段:
$ echo $x | awk '{print $1 " " $2 " " $3}'
1 2 3
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我们如何使用 AWK 打印从第 N 个字段开始的所有字段?例如
4 5 6 …Run Code Online (Sandbox Code Playgroud) 如何使这两项 Wildfly 10 配置更改永久生效?
如果我将它们写入standalone.xml并重新启动Wildfly,它们就会消失。
<subsystem xmlns="urn:jboss:domain:undertow:3.1">
<buffer-cache name="default"/>
<server name="default-server">
<http-listener name="default" socket-binding="http" redirect-socket="https" max-parameters="4000" />
<host name="default-host" alias="localhost">
<location name="/" handler="welcome-content"/>
<access-log/>
<filter-ref name="server-header"/>
<filter-ref name="x-powered-by-header"/>
</host>
</server>
...
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哈里
构建 Liferay 主题失败并出现错误Cannot find module 'liferay-font-awesome'。出了什么问题以及如何解决该问题?
$ mkdir liferay-workspace
$ cd liferay-workspace/
$ blade init --liferay-version portal-7.4-ga6
$ blade server init
$ cd themes/
$ yo liferay-theme # Would you like to add Font Awesome to your theme? Yes
$ cd my-liferay-theme/
$ gulp build
[18:55:39] Error: Cannot find module 'liferay-font-awesome'
$ npm i liferay-font-awesome
$ gulp build
[18:58:33] Error: Cannot find module 'liferay-font-awesome'
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版本信息
$ npm -v
6.14.12
$ blade version
blade version 4.0.10.202111191310
$ gulp -v …Run Code Online (Sandbox Code Playgroud) 我想在 Debian Linux 11 中编译和测试 Crow C++ 微框架:
下载最新的crow.deb,目前是crow-v1.0+1.deb。
安装它:
$ sudo dpkg -i crow-v1.0+1.deb
Selecting previously unselected package crow.
(Reading database ... 587955 files and directories currently installed.)
Preparing to unpack crow-v1.0+1.deb ...
Unpacking crow (1.0+1) ...
Setting up crow (1.0+1) ...
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使用crowcpp.org.cpp中的示例代码创建一个文件:
$ echo '#include "crow.h"
int main()
{
crow::SimpleApp app;
CROW_ROUTE(app, "/")([](){
return "Hello world";
});
app.port(18080).run();
}' > crowtest.cpp
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尝试编译它:
$ g++ crowtest.cpp -lpthread
In file included from /usr/include/crow.h:2,
from …Run Code Online (Sandbox Code Playgroud)arrays ×1
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cookies ×1
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firebug ×1
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g++ ×1
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