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Virtual/pure virtual explained
What exactly does it mean if a function is defined as virtual and is that the same as pure virtual?
12 Answers
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Have Grunt generate index.html for different setups
...uration for future tasks.
Below are snippets from my Gruntfile.js.
ENV setup:
env : {
options : {
/* Shared Options Hash */
//globalOption : 'foo'
},
dev: {
NODE_ENV : 'DEVELOPMENT'
},
prod : {
NODE_ENV : 'PRODUCTION'
}
},
Prep...
'Incomplete final line' warning when trying to read a .csv file into R
.... So the problem is the format of the file.
One way of finding out, is to set the working directory to the directory where the file is. That way you see the extension of the file you read in. I know on Windows it's not shown standard, so you might believe it's csv while it isn't.
The next thing y...
iOS 7 - Status bar overlaps the view
...layout, in order to resize the height of views properly on iOS 6 I had to set Delta height as well as Delta Y.
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In Unix, how do you remove everything in the current directory and below it?
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Practice safe computing. Simply go up one level in the hierarchy and don't use a wildcard expression:
cd ..; rm -rf -- <dir-to-remove>
The two dashes -- tell rm that <dir-to-remove> is not a command-line option, even whe...
How to add a new row to an empty numpy array
... editor after snippets, if snippets enabled
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Regex (grep) for multi-line search needed [duplicate]
I'm running a grep to find any *.sql file that has the word select followed by the word customerName followed by the word from . This select statement can span many lines and can contain tabs and newlines.
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support FragmentPagerAdapter holds reference to old fragments
...ating fragment
One day later I found another and better solution.
Call setRetainInstance(true) for all your fragments and save references to them somewhere. I did that in static variable in my activity, because it's declared as singleTask and fragments can stay the same all the time.
This way a...
How to write LaTeX in IPython Notebook?
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This came up in a search I was just doing, found a better solution with some more searching, IPython notebooks now have a %%latex magic that makes the whole cell Latex without the $$ wrapper for each line.
Refer notebook tour for Rich Display System
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Linux环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...服务的服务器上，解压下载的docker安装包；
sudo tar -xvf docker-26.1.4-x86_64.tgz
# 给docker执行文件赋予可执行权限
sudo chmod 755 -R docker
# 复制docker到/usr/bin/目录下，使docker命令可以执行
sudo cp docker/* /usr/bin/
# 清理...