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Deleting array elements in JavaScript - delete vs splice
...king it appear undefined. The Chrome dev tools make this distinction clear by printing empty when logging the array.
> myArray[0]
undefined
> myArray
[empty, "b", "c", "d"]
myArray.splice(start, deleteCount) actually removes the element, reindexes the array, and changes its length.
>...
Label points in geom_point
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Edit: To use ggrepel with lines, see this and this.
Created on 2019-05-01 by the reprex package (v0.2.0).
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Add more than one parameter in Twig path
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You can pass as many arguments as you want, separating them by commas:
{{ path('_files_manage', {project: project.id, user: user.id}) }}
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Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
...The range of floating point numbers usually exceeds the range of integers. By returning a floating point value, the functions can return a sensible value for input values that lie outside the representable range of integers.
Consider: If floor() returned an integer, what should floor(1.0e30) return...
How to check if a database exists in SQL Server?
... data type. COLUMN_PRIVILEGES Every column with a privilege granted to or by the current user in the current database. COLUMNS Lists every column in the system CONSTRAINT_COLUMN_USAGE Every column that has a constraint defined on it. CONSTRAINT_TABLE_USAGE Every table that has a constraint defin...
Best way in asp.net to force https for an entire site?
...swer should be considered 'harmful' and should not be used. As per comment by @tne above.
– Rosdi Kasim
Mar 26 '15 at 6:49
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Are there any downsides to enabling git rerere?
... it. I have to assume there is a downside, or it would probably be enabled by default. So is there any downside to enabling rerere? What potential problems can it cause that would not otherwise occur?
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Remove directory from remote repository after adding them to .gitignore
...t push origin master
I advise you to check the files to be deleted first by running the below statement:
git ls-files -i --exclude-from=.gitignore
I was using a default .gitignore file for visual studio and I noticed that it was removing all log and bin folders in the project which was not my i...
Django Admin - Disable the 'Add' action for a specific model
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By default syncdb creates 3 security permissions for each model:
Create (aka add)
Change
Delete
If your logged in as Admin, you get EVERYTHING no matter what.
But if you create a new user group called "General Access" (f...
What does a tilde do when it precedes an expression?
... your application and found a bottleneck, it could be made more performant by using bitwise tricks (as one possible tool in a much bigger bag).
It's also a (generally) unclear trick to turn indexOf()'s found return value into truthy (while making not found as falsy) and people often use it for its ...