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What is the difference between named and positional parameters in Dart?
...ss the similarities.
Dart's optional parameters are optional in that the caller isn't required to specify a value for the parameter when calling the function.
Optional parameters can only be declared after any required parameters.
Optional parameters can have a default value, which is used when a...
Shell script to delete directories older than n days
..., you can replace the ; with + and it will do the equivalent of the xargs call for you, passing as many files as will fit on each exec system call:
find . -type d -ctime +10 -exec rm -rf {} +
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How to uglify output with Browserify in Gulp?
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You actually got pretty close, except for one thing:
you need to convert the streaming vinyl file object given by source() with vinyl-buffer because gulp-uglify (and most gulp plugins) works on buffered vinyl file objects
So you...
How do I find all of the symlinks in a directory tree?
I'm trying to find all of the symlinks within a directory tree for my website. I know that I can use find to do this but I can't figure out how to recursively check the directories.
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Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
...ọc Duy (pclouds):
Now that git supports data transfer from or to a shallow clone, these limitations are not true anymore.
The documentation now reads:
--depth <depth>::
Create a 'shallow' clone with a history truncated to the specified number of revisions.
That stems from commi...
Placement of the ng-app directive (html vs body)
...nce where you put ng-app.
If you put it on <body> then you have a smaller scope for AngularJS which is slightly faster.
But I have used ng-app on the <html> for manipulating the <title>.
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What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
...- the join can be one->one, one->many, or many->many. So it's actually impossible to represent with a Venn diagram: all this diagram does is show you "what portion of the table will be involved in the join." In which case select a.* from a cross join b should have the same diagram as full o...
C++ semantics of `static const` vs `const`
In C++ specifically, what are the semantic differences between for example:
2 Answers
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Downloading an entire S3 bucket?
...eleased their Command Line Tools, which work much like boto and can be installed using
sudo easy_install awscli
or
sudo pip install awscli
Once installed, you can then simply run:
aws s3 sync s3://<source_bucket> <local_destination>
For example:
aws s3 sync s3://mybucket .
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Remove all the elements that occur in one list from another
...have two lists, l1 and l2 . I want to perform l1 - l2 , which returns all elements of l1 not in l2 .
7 Answers
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