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Generator Expressions vs. List Comprehension

... I know this is old, but I think it's worth noting that generators (and any iterable) can be added to lists with extend: a = [1, 2, 3] b = [4, 5, 6] a.extend(b) -- a will now be [1, 2, 3, 4, 5, 6]. (Can you add newlines in commen...
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How to get 30 days prior to current date?

... Get next 30 days from today let now = new Date() console.log('Today: ' + now.toUTCString()) let next30days = new Date(now.setDate(now.getDate() + 30)) console.log('Next 30th day: ' + next30days.toUTCString()) Get last 30 days form today let n...
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GitHub clone from pull request?

...fetch origin pull/2/head git checkout -b pullrequest FETCH_HEAD You will now be on a new branch that is on the state of the pull request. You might want to set up an alias by running git config --global alias.pro '!f() { git fetch -fu ${2:-origin} refs/pull/$1/head:pr/$1 && git checkout ...
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Why are Docker container images so large?

...s base on Alpine. UPDATE: the official Docker images are based on alpine now so they are good to use now. share | improve this answer | follow | ...
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Which is more efficient: Multiple MySQL tables or one large table?

...multiple values in future. e.g. credit limit is a single value field as of now. But tomorrow, you may decide to change the values as (date from, date to, credit value). Split tables might come handy now. My vote would be for multiple tables - with data appropriately split. Good luck. ...
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What are the implications of using “!important” in CSS? [duplicate]

... } button.highlight { color: blue; font-size: 1.5em; } button#buyNow { color: green; font-size: 2em; } On this page, all buttons are black. Except the buttons with the class "highlight", which are blue. Except that one unique button with the ID "buyNow", which is green. The impo...
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KnockOutJS - Multiple ViewModels in a single View

I'm thinking that my application is getting quite large now, too large to handle each View with a single ViewModel. 5 Answe...
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difference between variables inside and outside of __init__()

...e I could access both kind of variables through the self reference. It was now, when I ran into trouble, that I researched the topic and cleared it up. The problem with accessing static class variables through the self reference is that it only references the static class variable if there is no i...
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Wrapping chained method calls on a separate line in Eclipse for Java

... list at the left, select: Function Calls → Qualified invocations Now below this list, set Line wrapping policy to: Wrap all elements, except first element if not necessary Check: Force split, even if line shorter than maximum line width Finally, set Indentation policy to (thank...
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Why is nginx responding to any domain name?

...nginx up and running with a Ruby/Sinatra app and all is well. However, I'm now trying to have a second application running from the same server and I noticed something weird. First, here's my nginx.conf: ...