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How to sort the result from string_agg()
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With postgres 9.0+ you can write:
select string_agg(product,' | ' order by product) from "tblproducts"
Details here.
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Java enum - why use toString instead of name
...e exact name used to declare the enum constant, you should use name() as toString may have been overriden
If you want to print the enum constant in a user friendly way, you should use toString which may have been overriden (or not!).
When I feel that it might be confusing, I provide a more specifi...
Sanitizing strings to make them URL and filename safe?
...ying to come up with a function that does a good job of sanitizing certain strings so that they are safe to use in the URL (like a post slug) and also safe to use as file names. For example, when someone uploads a file I want to make sure that I remove all dangerous characters from the name.
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document.getElementById vs jQuery $()
... @IvanIvković: The first one is faster, since it doesn't involve string parsing.
– SLaks
Jan 18 '13 at 16:56
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How can I know which parts in the code are never used?
...d" when it appears only in if (0) { foo(); } would be a bonus but requires extra smarts.)
– j_random_hacker
Jan 27 '11 at 10:11
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.NET - How can you split a “caps” delimited string into an array?
How do I go from this string: "ThisIsMyCapsDelimitedString"
17 Answers
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How are zlib, gzip and zip related? What do they have in common and how are they different?
...esigned to do that. (Later extensions to the zip format with Unix-specific extra blocks tries to remedy this problem.)
– Mark Adler
Feb 21 '16 at 17:19
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How can I remove 3 characters at the end of a string in php?
How can I remove 3 characters at the end of a string in php? "abcabcabc" would become "abcabc"!
3 Answers
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JPA : How to convert a native query result set to POJO class collection
...answer.model.Jedi">
<column name="name" class="java.lang.String"/>
<column name="age" class="java.lang.Integer"/>
</constructor-result>
</sql-result-set-mapping>
And those are all the solutions I know. The last two are the ideal way if...
Escape single quote character for use in an SQLite query
...ES (123, 'Hello there''s');
Relevant quote from the documentation:
A string constant is formed by enclosing the string in single quotes ('). A single quote within the string can be encoded by putting two single quotes in a row - as in Pascal. C-style escapes using the backslash character are n...