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generate model using user:references vs user_id:integer
...ng pic
However, if you use the later method you find that you migration file looks like:
def change
create_table :microposts do |t|
t.references :user, index: true
t.timestamps null: false
end
add_foreign_key :microposts, :users
Now the foreign key is set at the databa...
how to view the contents of a .pem certificate
...s there a command to view the certificate details directly from the .pem file (not of the certificate in the keystore)?
2...
Reactjs: Unexpected token '
...o longer necessary.
Make sure include the JSX pragma at the top of your files:
/** @jsx React.DOM */
Without this line, the jsx binary and in-browser transformer will leave your files unchanged.
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How do I pipe a subprocess call to a text file?
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If you want to write the output to a file you can use the stdout-argument of subprocess.call.
It takes None, subprocess.PIPE, a file object or a file descriptor. The first is the default, stdout is inherited from the parent (your script). The second allows you ...
File extension for PowerShell 3
All of us probably know .bat for Batch files.
1 Answer
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How do you set EditText to only accept numeric values in Android?
... declare it in .java code? i.e. the dialog editText does not appear in XML file. How can I still achieve this?
– Sibbs Gambling
Jun 20 '13 at 7:41
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How to get a specific version of a file in Mercurial?
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I think you want hg revert -r<rev> <file> (this will change that file to be as it was at the given revision).
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converting a base 64 string to an image and saving it
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You can save Base64 directly into file:
string filePath = "MyImage.jpg";
File.WriteAllBytes(filePath, Convert.FromBase64String(base64imageString));
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Are multiple `.gitignore`s frowned on?
...dent projects, it seems it would be simplest to just have one .gitignore file at the root of the repo than various ones throughout. Is there a standard best practice on this or some analysis online of when one approach is better than the other?
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Where are the PostgreSQL logs on macOS?
I would like to take a look at the PostgreSQL log files to see what my app writes to them but I can't find them.
8 Answers
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