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Convert Go map to json
...i := 0; i < 10; i++ {
datas[fmt.Sprint(i)] = Foo{Number: 1, Title: "test"}
}
j, err := json.Marshal(datas)
fmt.Println(string(j), err)
2 Simply just use a slice (javascript array):
datas2 := make([]Foo, N)
for i := 0; i < 10; i++ {
datas2[i] = Foo{Number: 1, Title: "test"}
}
j, err ...
jQuery select all except first
...
$("div.test:not(:first)").hide();
or:
$("div.test:not(:eq(0))").hide();
or:
$("div.test").not(":eq(0)").hide();
or:
$("div.test:gt(0)").hide();
or: (as per @Jordan Lev's comment):
$("div.test").slice(1).hide();
and so ...
Node JS Error: ENOENT
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"/tmp/test.jpg" is not the correct path – this path starts with / which is the root directory.
In unix, the shortcut to the current directory is .
Try this "./tmp/test.jpg"
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JUnit confusion: use 'extends TestCase' or '@Test'?
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The distinction is rather easy:
extending TestCase is the way unit tests were written in JUnit 3 (of course it's still supported in JUnit 4)
using the @Test annotation is the way introduced by JUnit 4
Generally you should choose the annotation path, unless compatib...
Making code internal but available for unit testing from other projects
We put all of our unit tests in their own projects. We find that we have to make certain classes public instead of internal just for the unit tests. Is there anyway to avoid having to do this. What are the memory implication by making classes public instead of sealed?
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Installing rmagick on Ubuntu
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I can confirm this worked on Ubuntu 14.04. As a side note, you also need the packages ruby-dev and make...which may already be there on a typical system, but weren't there on the docker image.
– Dan Allen
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How to redirect a url in NGINX
I need to redirect every http://test.com request to http://www.test.com . How can this be done.
4 Answers
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Make Heroku run non-master Git branch
...d on Heroku and it's gotten to the point where I want to make an alternate test server (so I can test Heroku workers without messing up production).
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MySQL Cannot Add Foreign Key Constraint
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Confirm that the character encoding and collation for the two tables is the same.
In my own case, one of the tables was using utf8 and the other was using latin1.
I had another case where the encoding was the same but the...
OS specific instructions in CMAKE: How to?
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@Julien FWIW: the cmake documentation only confirms that it also includes iOS, watchOS, tvOS since 3.10.3
– itMaxence
Jul 25 '18 at 11:11
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