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Get table names using SELECT statement in MySQL
In MySQL, I know I can list the tables in a database with:
12 Answers
12
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MySQL Error 1093 - Can't specify target table for update in FROM clause
... into a from clause ...
If you absolutely need the subquery, there's a workaround, but it's
ugly for several reasons, including performance:
UPDATE tbl SET col = (
SELECT ... FROM (SELECT.... FROM) AS x);
The nested subquery in the FROM clause creates an implicit temporary
table, so it doesn't...
How to identify whether a file is normal file or directory
How do you check whether a file is a normal file or a directory using python?
7 Answers
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Concatenate a vector of strings/character
...apse argument within the paste function:
paste(sdata, collapse = '')
Thanks to http://twitter.com/onelinetips/status/7491806343
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CSS word-wrapping in div
...h a width of 250px. When the innertext is wider than that i want it to break down. The div is float: left and now has an overflow. I want the scrollbar to go away by using word-wrapping. How can i achieve this?
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Use of class definitions inside a method in Java
...ass.
2 is the easy one: yes, a class file will be generated.
1 and 3 are kind of the same question. You would use a local class where you never need to instantiate one or know about implementation details anywhere but in one method.
A typical use would be to create a throw-away implementation of...
convert String to DateTime
... answered Feb 4 '10 at 15:28
Kaleb BraseeKaleb Brasee
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Is there a function that returns the current class/method name? [duplicate]
...or logging purposes, you may also be interested in getting the current stack trace.
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Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]
...can assign the result of the str(c) call to c as correctly shown by @jamylak and then concatenate all of the strings, or you can replace the last print simply with this:
print "a + b as integers: ", c # note the comma here
in which case
str(c)
isn't necessary and can be deleted.
Output of s...
What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...ment.
<div/>, <script/>, <br></br> all should work just fine. If they don't, then you have HTML with inappropriately added XHTML DOCTYPE.
DOCTYPE does not change how document is interpreted. Only MIME type does.
W3C decision about ignoring DOCTYPE:
The HTML WG has di...