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Convert string to integer type in Go?
... != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt.Println(s, i)
}
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Is it possible to use JavaScript to change the meta-tags of the page?
...;
<script type='text/javascript' src='http://code.jquery.com/jquery-1.8.2.js'></script>
<button>Change description</button>
<script type='text/javascript'>
$('button').on('click', function() {
// Just replacing the value of the 'content' attribute will not work.
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npm install vs. update - what's the difference?
...y-installed-semver-module": "^1.4.3" // ignores "1.4.3" -> "1.5.2"
"already-installed-versioned-module": "3.4.1" // ignores ignores
"not-yet-installed-versionless-module": "*", // installs installs
"not-yet-installed-semver-module": "^4.2.1" // installs inst...
How to change the type of a field?
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215
The only way to change the $type of the data is to perform an update on the data where the dat...
builtins.TypeError: must be str, not bytes
I've converted my scripts from Python 2.7 to 3.2, and I have a bug.
2 Answers
2
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Role/Purpose of ContextLoaderListener in Spring?
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answered Aug 5 '12 at 14:50
sourcedelicasourcedelica
22.8k66 gold badges5858 silver badges6868 bronze badges
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How to change Rails 3 server default port in develoment?
On my development machine, I use port 10524. So I start my server this way :
9 Answers
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Test if string is a number in Ruby on Rails
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12 Answers
12
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Sort points in clockwise order?
...nter.x) * (a.x - center.x) + (a.y - center.y) * (a.y - center.y);
int d2 = (b.x - center.x) * (b.x - center.x) + (b.y - center.y) * (b.y - center.y);
return d1 > d2;
}
This will order the points clockwise starting from the 12 o'clock. Points on the same "hour" will be ordered starting f...
Purge Kafka Topic
...me on the topic to one second:
kafka-topics.sh --zookeeper <zkhost>:2181 --alter --topic <topic name> --config retention.ms=1000
And in newer Kafka releases, you can also do it with kafka-configs --entity-type topics
kafka-configs.sh --zookeeper <zkhost>:2181 --entity-type topi...