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How to make an element in XML schema optional?
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191
Try this
<xs:element name="description" type="xs:string" minOccurs="0" maxOccurs="1" />...
Why use make over a shell script?
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132
The general idea is that make supports (reasonably) minimal rebuilds -- i.e., you tell it what...
Safari 3rd party cookie iframe trick no longer working?
...in because I think the playing field has changed, perhaps after February 2012. One of the standard tricks to get 3rd party cookies in Safari was as follows: use some javascript to POST to a hidden iframe. It (used to) trick Safari into thinking that the user had interacted with the 3rd party content...
How to concatenate strings of a string field in a PostgreSQL 'group by' query?
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14 Answers
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Active
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How do you test that a Python function throws an exception?
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13 Answers
13
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MySQL join with where clause
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291
You need to put it in the join clause, not the where:
SELECT *
FROM categories
LEFT JOIN user_c...
PostgreSQL function for last inserted ID
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10 Answers
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Path to Powershell.exe (v 2.0)
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175
I believe it's in C:\Windows\System32\WindowsPowershell\v1.0\. In order to confuse the innocen...
Why does the JVM still not support tail-call optimization?
... the results were
surprising. Running on Sun's Hotspot
JVM for version 1.3 reveals that
Hotspot doesn't perform the
transformation. At default settings,
the stack space is exhausted in less
than a second on my machine. On the
other hand, IBM's JVM for version 1.3
purrs along without...