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cannot convert data (type interface {}) to type string: need type assertion
...Even if i is an interface type, []i is not interface type. As a result, in order to convert []i to its value type, we have to do it individually:
// var items []i
for _, item := range items {
value, ok := item.(T)
dosomethingWith(value)
}
Performance
As for performance, it can be slower ...
How to check if a string “StartsWith” another string?
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In order to make the expression case-sensitive use /^he/i
– kaizer1v
Oct 31 '18 at 12:50
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Add a common Legend for combined ggplots
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If you slightly change the order of commands you can do this in one line: combined <- p1 + p2 + plot_layout(guides = "collect") & theme(legend.position = "bottom")
– mlcyo
Apr 23 at 23:20
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postgresql: INSERT INTO … (SELECT * …)
... Use LIMIT to specify top 20 rows, but I think you need to sort them using ORDER BY clause first.
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How to do SQL Like % in Linq?
... letters, then realized my stupidity... don't forget .ToLower().Contains() etc if you want to ignore case. Whether you want this will of course depend on whether your trying to mimic LIKE from a DB with case insensitive collation or not.
– Adam Knights
Feb 11 '...
Create a CSS rule / class with jQuery at runtime
...acement of comma will cause problems when specifying fonts or using rgb(), etc., but overall this idea is good.
– Palec
Aug 25 at 14:29
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What does the 'Z' mean in Unix timestamp '120314170138Z'?
...W to 7.5°E longitude, while zone A runs from 7.5°E to 22.5°E longitude, etc.
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Nested fragments disappear during transition animation
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In order to avoid the user seeing the nested fragments disappearing when the parent fragment is removed/replaced in a transaction you could "simulate" those fragments still being present by providing an image of them, as they ap...
Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
...ir input and select your new Key Pair. You may have to refresh the list in order to see a new Key Pair you're just created.
Save
Elastic Beanstalk will create for you new instances associated with the new key pair.
In general, remember you have to allow your EC2 instance to accept inbound SSH tr...
Implicit “Submit” after hitting Done on the keyboard at the last EditText
...rst. It will also play the "click" sound as though the button were tapped, etc.
– Extragorey
May 1 '17 at 23:47
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