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What is the difference between save and export in Docker?
I am playing around with Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them.
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Read file from line 2 or skip header row
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with open(fname) as f:
next(f)
for line in f:
#do something
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CSS horizontal centering of a fixed div?
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it doesn't work as intended when you resize the browser window.
– user126284
Aug 27 '11 at 4:37
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What are sessions? How do they work?
...ss the terms 'cookies' and 'sessions'. I understand cookies in that they store some info in a key value pair on the browser. But I have a little confusion regarding sessions, in a session too we store data in a cookie on the user's browser.
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How to move screen without moving cursor in Vim?
I recently discovered Ctrl + E and Ctrl + Y shortcuts for Vim that respectively move the screen up and down with a one line step, without moving the cursor .
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How do you serve a file for download with AngularJS or Javascript?
... textarea. When a button is clicked I would like to have the text offered for download as a .txt file. Is this possible using AngularJS or Javascript?
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...estion you should be asking yourself is, "Do I want to use the raw driver, or do I need an object-document modeling tool?" If you're looking for an object modeling (ODM, a counterpart to ORMs from the SQL world) tool to skip some lower level work, you want Mongoose.
If you want a driver, because yo...
How do I get the current date and time in PHP?
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The time would go by your server time. An easy workaround for this is to manually set the timezone by using date_default_timezone_set before the date() or time() functions are called to.
I'm in Melbourne, Australia so I have something like this:
date_default_timezone_set...
How to make a button redirect to another page using jQuery or just Javascript
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Without script:
<form action="where-you-want-to-go"><input type="submit"></form>
Better yet, since you are just going somewhere, present the user with the standard interface for "just going somewhere":
<a href="where-you-w...
C# short/long/int literal format?
... = 1L; // long
I think that's all... there are no literal specifiers for short/ushort/byte/sbyte
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