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What is the difference between single and double quotes in SQL?
...u can use single quotes for a column alias — where you want the column name you reference in your application code to be something other than what the column is actually called in the database. For example: PRODUCT.id would be more readable as product_id, so you use either of the following:
SEL...
sh: 0: getcwd() failed: No such file or directory on cited drive
...his if you've deleted the directory you were in and recreated one in the same place with the same name.
– Jackson
Nov 20 '15 at 18:45
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How can I remove a specific item from an array?
I have an array of numbers and I'm using the .push() method to add elements to it.
97 Answers
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How to configure postgresql for the first time?
...tallation.
When I try to do createdb and specify any password I get the message:
10 Answers
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Go to Matching Brace in Visual Studio?
...ited Aug 26 '19 at 15:51
Stan James
2,1772323 silver badges3434 bronze badges
answered Oct 1 '09 at 4:49
Tim S...
Django, creating a custom 500/404 error page
... a custom 500 or 404 error page. If I do type in a bad url, the page gives me the default error page. Is there anything I should be checking for that would prevent a custom page from showing up?
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Configuring user and password with Git Bash
...for the GitHub repository rather than the HTTPS URL. It will ask for username and password when you are using HTTPS and not SSH. You can check the file .git/config or run git config -e or git remote show origin to verify the URL and change it if needed.
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Using Regex to generate Strings rather than match them
I am writing a Java utility which helps me to generate loads of data for performance testing. It would be really cool to be able to specify a regex for Strings so that my generator spits out things which match this. Is there something out there already baked which I can use to do this? Or is th...
How to Correctly Use Lists in R?
...een a list and vector in R:
Why do these two expressions not return the same result?
x = list(1, 2, 3, 4); x2 = list(1:4)
A list can contain any other class as each element. So you can have a list where the first element is a character vector, the second is a data frame, etc. In this case, you h...
How to create .pfx file from certificate and private key?
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You will need to use openssl.
openssl pkcs12 -export -out domain.name.pfx -inkey domain.name.key -in domain.name.crt
The key file is just a text file with your private key in it.
If you have a root CA and intermediate certs, then include them as well using multiple -in params
openssl pkcs...