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PostgreSQL: How to pass parameters from command line?
I have a somewhat detailed query in a script that uses ? placeholders. I wanted to test this same query directly from the psql command line (outside the script). I want to avoid going in and replacing all the ? with actual values, instead I'd like to pass the arguments after the query.
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How to select lines between two marker patterns which may occur multiple times with awk/sed
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How to write a foreach in SQL Server?
I am trying to achieve something along the lines of a for-each, where I would like to take the Ids of a returned select statement and use each of them.
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Filtering for empty or NULL names in a queryset
I have first_name , last_name & alias (optional) which I need to search for. So, I need a query to give me all the names that have an alias set.
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Case-Insensitive List Search
...g. I also don't want to use ToUpper/ToLower for performance reasons. I came across this method, which works:
8 Answers
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How to use gitignore command in git
I'm working first time on git. I have pushed my branch on github and it pushed all the library and documents into the github. Now what can I do and how can I use gitignore command to avoid the same mistake again.
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When would I use XML instead of SQL? [closed]
...cently took on a project involving a CMS that is XML-capable. This has led me to think about the usage of XML/XSLT in general and in what situations it would be more useful than the approach I've always used, which is storing all of my data in a (My)SQL database and then using PHP/Python/etc. to wor...
Why do you use typedef when declaring an enum in C++?
...e forced to declare your variable like this:
enum TokenType my_type;
As mentioned by others, this doesn't make a difference in C++. My guess is that either the person who wrote this is a C programmer at heart, or you're compiling C code as C++. Either way, it won't affect the behaviour of your co...
Is \d not supported by grep's basic expressions?
This does not generate any output. How come?
2 Answers
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default select option as blank
I have a very weird requirement, wherein I am required to have no option selected by default in drop down menu in HTML. However,
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