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Missing return statement in a non-void method compiles
...ered a situation where a non-void method is missing a return statement and the code still compiles.
I know that the statements after the while loop are unreachable (dead code) and would never be executed. But why doesn't the compiler even warn about returning something? Or why would a language...
What's the difference between subprocess Popen and call (how can I use them)?
I want to call an external program from Python. I have used both Popen() and call() to do that.
2 Answers
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Why should I capitalize my SQL keywords? [duplicate]
... latter is more readable. You can easily separate the keywords from table and column names, etc.
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How to conclude your merge of a file?
...d file (after you resolve conficts by yourself) should be added (git add), and if there is no unmerged file you should git commit
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Clicking the text to select corresponding radio button
...ation using PHP. Each question is comprised of a separate <label> and has 4 possible choices, using radio buttons to allow the user to select his/her answer. The current HTML for a single question looks like:
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How to return result of a SELECT inside a function in PostgreSQL?
...ple.
But note the potential naming conflict between the OUT parameter cnt and the column alias of the same name. In this particular case (RETURN QUERY SELECT ...) Postgres uses the column alias over the OUT parameter either way. This can be ambiguous in other contexts, though. There are various way...
Writing unit tests in Python: How do I start? [closed]
I completed my first proper project in Python and now my task is to write tests for it.
7 Answers
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MySQL “WITH” clause
...RDBMS products that support common table expressions:
Oracle 9i release 2 and later:
http://www.oracle-base.com/articles/misc/with-clause.php
Microsoft SQL Server 2005 and later:
http://msdn.microsoft.com/en-us/library/ms190766(v=sql.90).aspx
IBM DB2 UDB 8 and later:
http://publib.boulder.ibm.com/i...
Why does overflow:hidden not work in a ?
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Here is the same problem.
You need to set table-layout:fixed and a suitable width on the table element, as well as overflow:hidden and white-space: nowrap on the table cells.
Examples
Fixed width columns
The width of the table has to be the same (or smaller) than the fixed width cell(...
Java ArrayList copy
... l1 of size 10. I assign l1 to new list reference type l2 . Will l1 and l2 point to same ArrayList object? Or is a copy of the ArrayList object assigned to l2 ?
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