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Copying files from host to Docker container
I am trying to build a backup and restore solution for the Docker containers that we work with.
41 Answers
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Implement Stack using Two Queues
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push:
enqueue in queue1
pop:
while size of queue1 is bigger than 1, pipe dequeued items from queue1 into queue2
dequeue and return the last item of queue1, then switch the names of queue1 and queue2
Version B (efficient pop):
push:
enqueue in queue2
enqueue all items of queue1 in queue...
How to list variables declared in script in bash?
In my script in bash, there are lot of variables, and I have to make something to save them to file.
My question is how to list all variables declared in my script and get list like this:
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How to terminate a Python script
I am aware of the die() command in PHP which exits a script early.
10 Answers
10
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How to check version of python modules?
...ages and their versions with
pip freeze
In most linux systems, you can pipe this to grep(or findstr on Windows) to find the row for the particular package you're interested in:
Linux:
$ pip freeze | grep lxml
lxml==2.3
Windows:
c:\> pip freeze | findstr lxml
lxml==2.3
For an individual mo...
How to upgrade all Python packages with pip?
...lt;(pip3 freeze) --upgrade Effectively, <(pip3 freeze) is an anonymous pipe, but it will act as a file object
– Sergiy Kolodyazhnyy
Sep 3 '18 at 22:17
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How can I use grep to find a word inside a folder?
...ter, -type f means "look for plain files rather than directories and named pipes and what have you", -print0 means "print them on the standard output using null characters as delimiters". The output from find is sent to xargs -0 and that grabs its standard input in chunks (to avoid command line leng...
How to use font-awesome icons from node-modules
..., function() {
return gulp.src('node_modules/font-awesome/fonts/*')
.pipe(gulp.dest('public/fonts'))
})
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JSON.stringify without quotes on properties?
...g the source problem is no real solution.
A quick-n-dirty fix might be to pipe the string through a regex before parsing it:
var obj = JSON.parse(str.replace(/(\{|,)\s*(.+?)\s*:/g, '$1 "$2":'));
Or you try to adjust a existing javascript JSON parser (like this one) if you want a more syntactical...
How do I measure the execution time of JavaScript code with callbacks?
...t capture the output from console.timeEnd(). Perhaps it might be useful to pipe the output to a file and utilize from there?
– Doug Molineux
Sep 25 '14 at 21:16
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