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How to show SQL queries run in the Rails console?
... Perfect, just what I needed. Have any recommendation where to go find small tricks such as these are documented?
– randombits
May 29 '10 at 18:18
2
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Removing a model in rails (reverse of “rails g model Title…”)
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It removes all, but it do not create downgrade migration or something.
– mr.The
Feb 12 '14 at 18:10
add a comme...
How to check for Is not Null And Is not Empty string in SQL server?
...with NULL or an empty string or a string consisting entirely of spaces are all excluded by this query.
SQL Fiddle
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Allow user to set up an SSH tunnel, but nothing else
I'd like to allow a user to set up an SSH tunnel to a particular machine on a particular port (say, 5000), but I want to restrict this user as much as possible. (Authentication will be with public/private keypair).
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How to prevent errno 32 broken pipe?
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Your server process has received a SIGPIPE writing to a socket. This usually happens when you write to a socket fully closed on the other (client) side. This might be happening when a client program doesn't wait till all the data from the server is received and simply closes a socket (using close...
How can I create a keystore?
...stribution and can be located at %JAVA_HOME%\bin. On Windows this would usually be C:\Program Files\Java\jre7\bin.
So on Windows, open a command window and switch to that directory and enter a command like this
keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysi...
Best practice to return errors in ASP.NET Web API
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For me I usually send back an HttpResponseException and set the status code accordingly depending on the exception thrown and if the exception is fatal or not will determine whether I send back the HttpResponseException immediately.
At ...
Use images instead of radio buttons
...solid #f00;
}
<label>
<input type="radio" name="test" value="small" checked>
<img src="http://placehold.it/40x60/0bf/fff&text=A">
</label>
<label>
<input type="radio" name="test" value="big">
<img src="http://placehold.it/40x60/b0f/fff&text=B"...
Using python “with” statement with try-except block
...:
in case opening the file fails you
will get a second exception in the
finally clause because f is not
bound.
The equivalent old style code would be:
try:
f = open("file", "r")
try:
line = f.readline()
finally:
f.close()
except IOError:
<whatever>
As you c...
Python Requests library redirect new url
...is myself, I hope it might be useful for someone else.
If you want to use allow_redirects=False and get directly to the first redirect object, rather than following a chain of them, and you just want to get the redirect location directly out of the 302 response object, then r.url won't work. Inste...