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vim “modifiable” is off
Trying to create a new file with nerd tree. I hit the a key to create a new file and i get the message:
7 Answers
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Heroku push rejected, no Cedar-supported app detected
I'm creating a Rails app with Rails 3.1.3:
13 Answers
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What is the reason not to use select *?
... you can then optimize to be efficient.
When you use select * you're make it impossible to profile, therefore you're not writing clear & straightforward code and you are going against the spirit of the quote. select * is an anti-pattern.
So selecting columns is not a premature optimization. ...
Converting Secret Key into a String and Vice Versa
I am generating a key and need to store it in DB, so I convert it into a String, but to get back the key from the String. What are the possible ways of accomplishing this?
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Can I use a function for a default value in MySql?
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This isn't quite the same as having a DEFAULT value. How would one change this answer to only set the key if the value was NULL?
– ToolmakerSteve
Apr 1 '15 at 17:38
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Git log to get commits only for a specific branch
I want to list all commits that are only part of a specific branch.
11 Answers
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Recursively list all files in a directory including files in symlink directories
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The -L option to ls will accomplish what you want. It dereferences symbolic links.
So your command would be:
ls -LR
You can also accomplish this with
find -follow
The -follow option directs find to follow symbolic links to directories.
On Mac OS X use
find -L
as -f...
How do you create a yes/no boolean field in SQL server?
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The equivalent is a BIT field.
In SQL you use 0 and 1 to set a bit field (just as a yes/no field in Access). In Management Studio it displays as a false/true value (at least in recent versions).
When accessing the database through ASP.NET it wi...
Mockito How to mock and assert a thrown exception?
I'm using mockito in a junit test. How do you make an exception happen and then assert that it has (generic pseudo-code)
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How to make a class JSON serializable
...out the expected output? For example, will this do?
>>> f = FileItem("/foo/bar")
>>> magic(f)
'{"fname": "/foo/bar"}'
In that case you can merely call json.dumps(f.__dict__).
If you want more customized output then you will have to subclass JSONEncoder and implement your own ...