我有个普通课程:
public class MyGenericClass<T> {
T get(){
return T;
}
...
}
有两个班:
public class CatService{
MyGenericClass<Cat> generic;
public CatService(MyGenericClass<Cat> generic){
this.generic = generic;
}
}
public class DogService{
MyGenericClass<Do
我遇到了一些问题
sudo apt-get update && apt-get upgrade
在我运行之后,我得到了这个:
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
linux-image-extra-3.16
我有一个生产VMU16.04LTS,它打破了apt和完整的/boot目录与各种内核。
apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
linux-headers-4.4.0-138 lin
我尝试通过今天出现的更新通知从Ubuntu15.04升级到15.10,但是在运行dpkg --configure时它被卡住了。以下是最后一条消息:
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.2.0-18-generic
Found initrd image: /boot/initr
我正在遵循以下指南:如何在ubuntu上安装显示链接
在我的ubuntu14.04上安装displaylink。
但是,当我进入最后一步并尝试安装.run文件时,一切正常,我得到以下错误消息:
Unsatisfied dependencies. Missing component: Kernel version 3.13.0-55-generic is too old. At least 3.14 is required.
这是一个致命的错误,无法安装DisplayLink Linux软件。
我尝试使用以下方法升级我的Kernel版本:
sudo apt-get install linux-i
下面是在我的系统上安装的许多映像的列表。我不知道为什么会有这么多。为什么自动催促论不能解决这个烂摊子?请告诉我为什么会发生这种事。我是否在不知情的情况下安装或启用了某些设置?谢谢。
ii linux-image-5.11.0-25-generic 5.11.0-25.27~20.04.1 amd64 Signed kernel image generic
ii linux-image-5.11.0-27-generic 5.11.0-27.29~20.04.1
每当我尝试安装任何东西时,我都会收到以下消息:
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
clang : Depends: clang-3.4 (>= 3.4~rc3-1~) but it is not go
我正在使用Ubuntu18.04并尝试使用apt卸载旧的内核映像。但是,我收到一个错误,它不能被卸载,因为标题丢失了。我如何卸载它们?下面是命令sudo apt autoremove的部分输出
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
linux-image-extra-3.13.0-39-generic linux-image-extra-3.13.0-40-gen
我们正在尝试基于某些条件检索数据,但问题是为列提供索引。已经有一些索引,但它们没有被使用。
查询:
select `UK_Generic_Demand_Details`.`genericDemandId` AS `genericDemandId`,
`UK_Generic_Demand_Details`.`customerReference` AS `customerReference`,
`UK_Generic_Demand_Details`.`policyNumber` AS `policyNumber`,
`UK_Generic_Demand_Details`.`
我用的是Ubuntu12.04。最近我不能再安装任何东西了。我总是收到以下错误消息:
Setting up linux-image-3.2.0-34-generic (3.2.0-34.53) ...
Running depmod.
update-initramfs: deferring update (hook will be called later)
Use of chdir('') or chdir(undef) as chdir() is deprecated at /var/lib/dpkg/inf/linux-image-3.2.0-34-generic.post
正在设置后缀,但没有取得太大进展,因为Ubuntu返回了一个依赖项错误。
我试图解决这个问题,但我找不到问题的原因。
dpkg: dependency problems prevent configuration of linux-image-extra-3.13.0-43-generic:
linux-image-extra-3.13.0-43-generic depends on
linux-image-3.13.0-43-generic; however: Package
linux-image-3.13.0-43-generic is not installed.
dpkg:
如何移除12.x机器中不需要的内核
sudo update-grub
Generating grub.cfg ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-3.13.0-96-generic
Found initrd image: /boot/initrd.img-3.13.0-96-generic
Found linux image: /boot/vmli
几天前,我发现我的Ubuntu21.10无法再执行更新,同时发现"Ubuntu“应用程序查找实用程序再也找不到可用的应用程序了。在试图更新系统时,我得到了以下错误报告:
包装系统坏了
Check if you are using third party repositories. If so disable them, since they are a common source of problems.
Furthermore run the following command in a Terminal: apt-get install -f
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