因此,我试图设计一个函数来返回一个二叉树,它是最初发送的二叉树的镜像。我想我已经快完成了,但是我发现一个奇怪的“无法与预期的类型相匹配”。
mirror :: BinTree a -> BinTree a
mirror (Node x tL tR) = Node x (mirror tR) (mirror tL)
,这里是错误:
hw1.hs:84:30:
Couldn't match expected type `a' with actual type `BinTree a'
`a' is a rigid type varia
在尝试使用gcc 4.7.2的时,我遇到了这个错误,但奇怪的是,我看到了。
::std::has_nothrow_default_constructor被移动/改变了吗?
In file included from /home/kfeng/src/mirror-lib/include/mirror/type_traits.hpp:20:0,
from /home/kfeng/src/mirror-lib/include/mirror/mirror_base.hpp:38,
from /home/kfeng/src/mirror
我的iex代码如下:
iex(2)> Mirror.Imports.Product
Mirror.Imports.Product
iex(3)> Mirror.Imports.Product.parse_description("aaaa")
[]
iex(4)> Mirror.Imports.Product.__info__(:attribute)
** (FunctionClauseError) no function clause matching in M
//set up the mirror when view is expanded
function attachMirrorListener(section, mirror) {
var textarea = document.getElementById(mirror.attr('id'));
var input = $(mirror.data('input'));
var myCodeMirror;
section.click(function() {
if(section.hasClass('op
<mirrors>
<!-- mirror
| Specifies a repository mirror site to use instead of a given repository. The repository that
| this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used
| for inheritance and direct lookup purposes, and must be uni
我的视图中有Ckeditor,我动态地获取编辑器的值,并在div中显示它们。我尝试了许多定义(val、html、tex等)的组合,如下所示:
CKEDITOR.on('instanceCreated', function (e) {
e.editor.on('contentDom', function () {
e.editor.document.on('keyup', function (event) {
var str = CKEDITOR.instances['editor1'
我有一个类似的设置:
protocol CoolProtocol {
}
Node : CoolProtocol {
children : [Node]
... other properties
}
当我尝试用下面的代码反映结构时,子数组没有被正确识别为"list of CoolProtocol“
reflectIt(something : Any) -> [String : AnyObject] {
var t = reflect(anything)
var dict = [String : AnyObject]()
for i in 0..<
尝试为Ubuntu22.10创建存储库的本地副本。
以下是文件mirror.list:
set base_path /mnt/ExternalSSD/apt-mirror
#
set mirror_path $base_path/mirror
set skel_path $base_path/skel
set var_path $base_path/var
set cleanscript $base_path/var/clean.sh
# set defaultarch
set postmirror_script $base_path/var/postmirror.s
我试图升级CVE 2016-2017年并进行修补,这样做,我收到了一个关于依赖项的错误。我试图解决这些问题,但我是个新手,当我试图解决依赖问题时,我会得到额外的依赖项。我试图根据我读过的几本指南来做这件事。
如果我跑了
sudo apt-get install --only-upgrade libssl1.0.0 openssl
我得到了
Reading package lists... Done
Building dependency tree
Reading state information... Done
openssl is already the newest ver
我需要为podman获取这个图像,但是registry.conf上有一个问题
波德曼给出错误
podman run --name myfirstcontainer -it -v /home/jhon:/data:Z manjarolinux/base
Error: error loading registries configuration "/etc/containers/registries.conf": toml: cannot load TOML value of type map[string]interface {} into a Go slice
我的注册表调整
可能重复:
https://code.google.com/p/prjname/ is a empty repo right now
我可以克隆它,但不能把本地回购推向它,为什么?
[mirror@home php]$ git clone https://code.google.com/p/prjname/
Cloning into 'prjname'...
warning: You appear to have cloned an empty repository.
[mirror@home php]$ rm prjname/ -rf
git init
重新初始化了