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Calendar date to yyyy-MM-dd format in java
How to convert calendar date to yyyy-MM-dd format.
9 Answers
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ORDER BY the IN value list
I have a simple SQL query in PostgreSQL 8.3 that grabs a bunch of comments. I provide a sorted list of values to the IN construct in the WHERE clause:
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How can I use Bash syntax in Makefile targets?
I often find Bash syntax very helpful, e.g. process substitution like in diff <(sort file1) <(sort file2) .
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What does the * * CSS selector do?
...other time you put two selectors one after another (for example li a), you get the descendant combinator. So * * is any element that is a descendant of any other element — in other words, any element that isn't the root element of the whole document.
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Best way to simulate “group by” from bash?
Suppose you have a file that contains IP addresses, one address in each line:
14 Answers
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Is there a way to navigate to real implementation of method behind an interface?
In Visual Studio, when you right-click a method call, you go to the implementation of that method inside a class except if you access this method through an interface: in that case you go to the interface method not to the actual implementation.
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How do I find which transaction is causing a “Waiting for table metadata lock” state?
I am trying to perform some DDL on a table and SHOW PROCESSLIST results in a " Waiting for table metadata lock " message.
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Getting the max value of an enum
How do you get the max value of an enum?
11 Answers
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Execute SQLite script
I start up sqlite3 version 3.7.7, unix 11.4.2 using this command:
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How to merge remote changes at GitHub?
I'm getting following error, whn trying first Github push:
8 Answers
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