嘿我正在尝试将多个文件从一个文件夹移动到另一个文件夹.在FileUtils行中,我尝试搜索目标文件夹中的所有4个字符文件夹,然后将该文件粘贴到与文件具有相同基本名称的文件夹中.
#!/usr/bin/env ruby
require 'fileutils'
my_dir = Dir["C:/Documents and Settings/user/Desktop/originalfiles/*.doc"]
my_dir.each do |filename|
FileUtils.cp(filename, "C:/Documents and Settings/user/Desktop/destinationfolder/****/" + File.basename(filename, ".doc"))
end
Run Code Online (Sandbox Code Playgroud) 将 Rails 和设备升级到 6。
更新此 CSRF 错误后https://github.com/heartcombo/devise/issues/5236到达:
Started POST "/users/auth/twitter" for ::1 at 2022-09-22 21:24:44 -0400
(twitter) Request phase initiated.
(twitter) Authentication failure! undefined method `downcase' for nil:NilClass
"#{u.scheme.downcase}://#{u.host.downcase}#{(u.scheme.casecmp("http").zero? && u.port != 80) || (u.scheme.casecmp("https").zero? && u.port != 443) ? ":#{u.port}" : ""}#{u.path && u.path != "" ? u.path : "/"}"
^^^^^^^^^: NoMethodError, undefined method `downcase' for nil:NilClass
Processing by Users::OmniauthCallbacksController#failure as HTML
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宝石文件:
ruby "3.1.0"
gem 'rails', '6.0.3.1'
gem 'devise'
gem 'omniauth-facebook'
gem 'omniauth-twitter'
gem "omniauth-rails_csrf_protection", "~> …Run Code Online (Sandbox Code Playgroud) 我想在我的第二个承诺中引用一个类属性.但是,在类函数pTwo中,'this'是未定义的.我知道我处于承诺范围内,我如何访问PromiseChain实例范围?
使用ES6和本机承诺.
class PromiseChain {
constructor(){
this.food = 'Pasta';
this.type = 'Italian';
}
pOne() {
console.log('pOne');
return Promise.resolve();
}
pTwo() {
console.log('pTwo');
try {
console.log(this.food);
} catch (e) {
// can't read 'food' of undefined!
console.log(e);
}
return Promise.reject()
}
work() {
console.log('Get to work!');
this.pOne().then(this.pTwo).catch((error) => {
console.log(error);
})
}
}
new PromiseChain().work();Run Code Online (Sandbox Code Playgroud)
我有三个型号
Tag=> :id,:nameTagging=> ,,:id:tag_id:post_idPost=> :id,:summary我知道标签的ID.我想tag_id通过Taggings模型查询具有特定内容的所有帖子.
就像是
@post = Post.joins(:taggings).where(:tag_id => 17)
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但这不起作用,因为它在Post模型中寻找tag_id 而不是Tagging模型.
我不知道该怎么做.
我有这样的功能:
Function GetLastRowOnSheet(ByVal SheetName As Worksheet) As Long
On Error Resume Next
GetLastRowOnSheet = SheetName.Cells.Find(what:="*", after:=SheetName.Cells(1), searchorder:=xlByRows, searchdirection:=xlPrevious).Row
On Error GoTo 0
End Function
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假设我有一张名为"Sheet1"的工作表,在我的Excel工作表中,我希望能够说= GetLastRowOnSheet('Sheet1')或使用命名范围
我可以使用上面的函数以及包含以下函数的子例程或函数在vba中轻松完成此操作:
Dim Sheet1 As Worksheet
Dim LastRow as Long
Set Sheet1 = ThisWorkbook.Sheets("Sheet1")
LastRow = GetLastRowOnSheet(Sheet1)
' last row then returns the last filled in cell on the sheet
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思考?
activerecord ×1
class ×1
devise ×1
dir ×1
ecmascript-6 ×1
excel-2007 ×1
excel-2010 ×1
excel-vba ×1
javascript ×1
oauth ×1
postgresql ×1
promise ×1
ruby ×1
vba ×1