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How to empty a Heroku database
...e, if you are using SHARED_DATABASE_URL:
$ heroku pg:reset DATABASE_URL
Now to recreate the database with nothing in it:
$ heroku run rake db:migrate
To populate the database with your seed data:
$ heroku run rake db:seed
---OR---
You can combine the last two (migrate & seed) into on...
Creating a new user and password with Ansible
...
If you read Ansible's manual for user module, it'll direct you to the Ansible-examples github repo for details how to use password parameter.
There you'll see that your password must be hashed.
- hosts: all
user: root
v...
Regular expression \p{L} and \p{N}
...nd of numeric character in any script.
Source: regular-expressions.info
If you're going to work with regular expressions a lot, I'd suggest bookmarking that site, it's very useful.
share
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improv...
App Inventor 2 接入百度网盘API · App Inventor 2 中文网
...载
1、申请应用
2、用户登录认证，拿到access_token，后续请求必备参数 【使用Web浏览框】
3、获取文件列表，返回JSON，拿出想要的文件的fsid 【使用Web客户端】
4、获取文件信息，返回JSON，根据fsid取出dlink 【...
Does Python's time.time() return the local or UTC timestamp?
... gives you timestamp. Just remove the milliseconds - str(datetime.datetime.now()).split('.')[0]
– Hussain
Jan 3 '13 at 13:25
17
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Multiple line code example in Javadoc comment
...; tags, you should also use the @code JavaDoc annotation, which will make life much easier when it comes to HTML entities issues (in particular with Generics), e.g.:
* <pre>
* {@code
* Set<String> s;
* System.out.println(s);
* }
* </pre>
Will give correct HTML output:
Set<St...
Remove large .pack file created by git
... a load of files in to a branch and merged and then had to remove them and now I'm left with a large .pack file that I don't know how to get rid of.
...
Why would you ever implement finalize()?
... it needs to be called.
Implement finalize() to do the close() processing if you detect it hasn't been done. Maybe with something dumped to stderr to point out that you're cleaning up after a buggy caller.
It provides extra safety in an exceptional/buggy situation. Not every caller is going to do...
Extracting Nupkg files using command line
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You can also use the NuGet command line, by specifying a local host as part of an install. For example if your package is stored in the current directory
nuget install MyPackage -Source %cd% -OutputDirectory packages
will unpack it into the target directory.
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Where is Vagrant saving changes to the VM?
...
I was wondering if @pyfunc and other users here could help me with using vagrant on an existing VM that is not created using vagrant up in the first place. stackoverflow.com/q/14503932/80353
– Kim Stacks
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