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PostgreSQL: Show tables in PostgreSQL
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From the psql command line interface,
First, choose your database
\c database_name
Then, this shows all tables in the current schema:
\dt
Programmatically (or from the psql interface too, of course):
SELECT * FROM pg_catalog.pg_table...
How can I check if a key is pressed during the click event with jQuery?
I would like to catch a click event with jQuery and be able to tell if a key was pressed at the same time so I can fork within the callback function based on the keypress event.
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How to get IP address of the device from code?
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This is my helper util to read IP and MAC addresses. Implementation is pure-java, but I have a comment block in getMACAddress() which could read the value from the special Linux(Android) file. I've run this code only on few devices and Emulator but let me kno...
Using openssl to get the certificate from a server
...certificate of a remote server, which I can then use to add to my keystore and use within my java application.
11 Answers
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What is the correct way to start a mongod service on linux / OS X?
I've installed mongodb and have been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service.
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if/else in a list comprehension
...x in row]
In general,
[f(x) if condition else g(x) for x in sequence]
And, for list comprehensions with if conditions only,
[f(x) for x in sequence if condition]
Note that this actually uses a different language construct, a conditional expression, which itself is not part of the comprehensi...
Making interface implementations async
...ethods.
All my IO is done through explicit implementations of an interface and I am a bit confused about how to make the operations async.
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Recommended way of making React component/div draggable
...by mouse) React component, which seems to necessarily involve global state and scattered event handlers. I can do it the dirty way, with a global variable in my JS file, and could probably even wrap it in a nice closure interface, but I want to know if there's a way that meshes with React better.
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CKEditor instance already exists
...rst one was not displaying but the other two where, I added the above code and all teh editors now appear
– Craig Angus
Apr 29 '10 at 15:56
18
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Developing GUIs in Python: Tkinter vs PyQt [closed]
...te directly to working with Qt in other languages too if you ever need to, and Qt is probably the best cross-platform interface toolkit available right now.
There are only two real (potential) disadvantages:
PyQt is only available under the GPL. This means if you release your code, it has to be a...