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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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Difference between passing array and array pointer into function in C
...ior is undefined.
Given the following code:
int main(void)
{
int arr[10];
foo(arr);
...
}
In the call to foo, the array expression arr isn't an operand of either sizeof or &, so its type is implicitly converted from "10-element array of int" to "pointer to int" according to 6.2.3.1/3....
SQL - Select first 10 rows only?
How do I select only the first 10 results of a query?
12 Answers
12
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Is it possible to override the configuration of a plugin already defined for a profile in a parent P
... It did not work for me. I wanted to rebuild Jenkins NodeJS Plugin v1.0 with version 1.580.1 of org.jenkins-ci.plugins in the pom.xml using Maven 3.3.9. Until I manually changed the <source> to 1.7 in the ~/.m2/repository/org/jenkins-ci/jenkins/1.34/jenkins-1.34.pom nothing worked.
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How to disable visual “dots” in Visual Studio Editor
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answered Apr 30 '10 at 11:41
VickyVicky
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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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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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Accessing an array out of bounds gives no error, why?
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edited Mar 22 '17 at 0:40
Jonathan Leffler
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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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