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Rails: Using build with a has_one association in rails
...l using command line, something like rails g model profile user:references:index address:string bio:text.
– duykhoa
Jun 25 at 13:36
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Have a fixed position div that needs to scroll if content overflows
...s direct child for body and has neighbours, then it makes sense to check z-index and top, left properties, since they could overlap each other, which might affect your mouse hover while scrolling the content.
Here is the solution for a content box (a direct child of body tag) which is commonly used...
Convert Go map to json
...till illegal.
You have two options:
1 Use map[string]Foo and convert the index to string (using fmt.Sprint for example):
datas := make(map[string]Foo, N)
for i := 0; i < 10; i++ {
datas[fmt.Sprint(i)] = Foo{Number: 1, Title: "test"}
}
j, err := json.Marshal(datas)
fmt.Println(string(j), e...
Purpose of Unions in C and C++
...rogrammatically, the easier thing to do is to access the axis by numerical index - 0 for x, 1 for y, and 2 for z.
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Convert data.frame column format from character to factor
...you to see the classes of the variables (all numeric)
#one approach it to index with the $ sign and the as.factor function
mtcars$am <- as.factor(mtcars$am)
#another approach
mtcars[, 'cyl'] <- as.factor(mtcars[, 'cyl'])
str(mtcars) # now look at the classes
This also works for character, ...
Restore file from old commit in git
...efault) puts it in working tree. If you want to put the change directly in index so it can be committed straight away:
git restore --source=abcdef --worktree --staged file_name
or with short option names:
git restore -s=abcdef -W -S file_name
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setup.py examples?
...rial. Try also just browsing through Python packages on the Python Package Index. Just download the tarball, unpack it, and have a look at the setup.py file. Or even better, only bother looking through packages that list a public source code repository such as one hosted on GitHub or BitBucket. You'...
What's best SQL datatype for storing JSON string?
...tional-databases/json/json-data-sql-server?view=sql-server-ver15#store-and-index-json-data-in-sql-server][1]
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How to ignore whitespace in a regular expression subject string?
...rip out the whitespace beforehand because I need to find the begin and end index of the match (including any whitespace) in order to highlight that match and any whitespace needs to be there for formatting purposes.
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What is the meaning of polyfills in HTML5?
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Source and example of polyfill here:
http://www.programmerinterview.com/index.php/html5/html5-polyfill/
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