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How can I undo a `git commit` locally and on a remote after `git push`
I have performed git commit followed by a git push . How can I revert that change on both local and remote repositories?
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count(*) vs count(column-name) - which is more correct? [duplicate]
Does it make a difference if you do count(*) vs count(column-name) as in these two examples?
5 Answers
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How do you deal with configuration files in source control?
Let's say you have a typical web app and with a file configuration.whatever. Every developer working on the project will have one version for their dev boxes, there will be a dev, prod and stage versions. How do you deal with this in source control? Not check in this file at all, check it with diffe...
SQL - Query to get server's IP address
...u have Shared Memory connections allowed, then running above on the server itself will give you
"Shared Memory" as the value for 'net_transport', and
NULL for 'local_net_address', and
'<local machine>' will be shown in 'client_net_address'.
'client_net_address' is the address of the c...
Creating .pem file for APNS?
...g.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo.
With the aps_developer_identity.cer in the keychain:
Launch Keychain Access from your local Mac and from the login keychain, filter by the Certificates category. You will see an expandable option called “Apple Development ...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
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[Edit from non-author: this is from 2010, and the process has been significantly simplified since May 2011. I'll add a post to this answer with my setup notes as of Feb 2012.]
You'll need to put together a few pieces: Emacs, SL...
Assign null to a SqlParameter
The following code gives an error - "No implicit conversion from DBnull to int."
18 Answers
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Run R script from command line
I have a file, called a.r , it has a chmod of 755,
7 Answers
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Vagrant stuck connection timeout retrying
...agrant was working perfectly fine last night. I've just turned the PC on, hit vagrant up , and this is what I get:
47 Answ...
Unit tests vs Functional tests
What is the difference between unit tests and functional tests? Can a unit test also test a function?
14 Answers
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