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writing some characters like '
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answered Jul 2 '10 at 15:13
reecereece
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How to filter None's out of List[Option]?
...ions at the same time, you can use flatten:
scala> someList.flatten
res0: List[String] = List(Hello, Goodbye)
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MySQL CONCAT returns NULL if any field contain NULL
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answered Apr 1 '13 at 10:01
John WooJohn Woo
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Can anyone explain python's relative imports?
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answered Dec 16 '09 at 23:37
eboebo
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Group by & count function in sqlalchemy
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170
The documentation on counting says that for group_by queries it is better to use func.count():
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How to escape % in String.Format?
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960
To escape %, you will need to double it up: %%.
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What is the meaning of git reset --hard origin/master?
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CB BaileyCB Bailey
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Syntax Error: Not a Chance
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How do you use window.postMessage across domains?
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Here is an example that works on Chrome 5.0.375.125.
The page B (iframe content):
<html>
<head></head>
<body>
<script>
top.postMessage('hello', 'A');
</script>
</body>
</html>
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