我在网上尝试了所有的教程,但还是没有……当我尝试:
sudo apt-get install build-essential
我看到了这个:
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incomin
我已经在我的机器上安装了rvm。我想安装ruby-2.6.2,但是rvm install 2.6.2它显示了下面的错误,请帮助我解决这个问题
xx@LAPTOP-U5HPCQ9V:~$ rvm -v
rvm 1.29.12 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io]
xx@LAPTOP-U5HPCQ9V:~$ rvm install 2.6.2
Searching for binary rubies, this might take some time.
Found remote fil
我有一个组,当它显示和隐藏时,我想做一个擦除效果。
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
<s:Wipe id="wipeUp" direction="up" duration="2000"/>
<s:Wipe id="wipeDown" direction="down" duration="2000&
我想问为什么在运行时添加新的文本框时,设置为.BorderStyle的fmBorderStyleNone不能工作?我想要一个没有大纲的文本框,但是在代码运行之后,仍然有一个大纲。
Dim txtB1 As TextBox
Dim i
For i = 0 To 5
Set txtB1 = Frame12.Controls.Add("Forms.TextBox.1")
With txtB1
.Name = "chkDemo" & i
.TextAlign = fmTextAlignCenter