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Static and Sealed class differences
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static class Foo : object { } is valid, but is essentially static class Foo { }.
– themefield
Apr 24 '19 at 17:41
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Comma separator for numbers in R?
...IT: As Michael Chirico says in the comment:
Be aware that these have the side effect of padding the printed strings with blank space, for example:
> prettyNum(c(123,1234),big.mark=",")
[1] " 123" "1,234"
Add trim=TRUE to format or preserve.width="none" to prettyNum to prevent this:
> pr...
What does “Splats” mean in the CoffeeScript tutorial?
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I think it is a syntactic sugar for javascript's arguments object.
The idea may come form ruby's splat operator *.
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Django - iterate number in for loop of a template
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Django provides it. You can use either:
{{ forloop.counter }} index starts at 1.
{{ forloop.counter0 }} index starts at 0.
In template, you can do:
{% for item in item_list %}
{{ forloop.counter }} # starting index 1
{{ for...
How to import and use different packages of the same name in Go language?
...s a declaration statement:
You can't declare the same name (terminology: identifier) in the same scope.
In Go, import is a declaration and its scope is the file that's trying to import those packages.
It doesn't work because of the same reason that you can't declare variables with the same name in...
cd into directory without having permission
...es you may want to allow group to create files in your directory - but consider using the sticky bit on the directory if you do).
If it is someone else's directory, you'll probably need some help from the owner to change the permissions so that you can access it (or you'll need help from root to ch...
How do I update a formula with Homebrew?
...tall
or
brew upgrade
This is from the brew site..
for upgrading individual formula:
brew install formula-name && brew cleanup formula-name
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Objective-C: Extract filename from path string
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tags: "".split(" "),
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How to print formatted BigDecimal values?
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How can I send large messages with Kafka (over 15MB)?
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You need to adjust three (or four) properties:
Consumer side:fetch.message.max.bytes - this will determine the largest size of a message that can be fetched by the consumer.
Broker side: replica.fetch.max.bytes - this will allow for the replicas in the brokers to send messages with...