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Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything

...pears after a long time Server: 8.8.8.8 Address 1: 8.8.8.8 If the command appears to hang, but eventually spits out the error "can't resolve 'google.com'", then you have the same problem as me. The nslookup command queries the DNS server 8.8.8.8 in order to turn the text address of 'google.com...
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How can I verify if one list is a subset of another?

...answer to your question, however. A list may contain items multiple times and has a specific order. A set does not. Additionally, sets only work on hashable objects. Are you asking about subset or subsequence (which means you'll want a string search algorithm)? Will either of the lists be the sam...
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Popstate on page's load in Chrome

I am using History API for my web app and have one issue. I do Ajax calls to update some results on the page and use history.pushState() in order to update the browser's location bar without page reload. Then, of course, I use window.popstate in order to restore previous state when back-button i...
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Why doesn't Python have multiline comments?

... one disadvantage of mix multi-line string and block comments is IDE has no idea what you want thus can't show comment in different style as needed. – Baiyan Huang Sep 17 '12 at 3:58 ...
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How do you remove all the options of a select box and then add one option and select it with jQuery?

...ry, how do you remove all the options of a select box, then add one option and select it? 24 Answers ...
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SQL MAX of multiple columns?

...an use the CASE statement: SELECT CASE WHEN Date1 >= Date2 AND Date1 >= Date3 THEN Date1 WHEN Date2 >= Date1 AND Date2 >= Date3 THEN Date2 WHEN Date3 >= Date1 AND Date3 >= Date2 THEN Date3 ELSE Date1 EN...
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How to check if a String contains only ASCII?

... 0x20 (space) such as tabs, line-feed / return but also BEL with code 0x07 and DEL with code 0x7F. This code incorrectly uses characters rather than code points, even if code points are indicated in the comments of earlier versions. Fortunately, the characters required to create code point with a v...
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Improving bulk insert performance in Entity framework [duplicate]

I want to insert 20000 records in a table by entity framework and it takes about 2 min. Is there any way other than using SP to improve its performance. This is my code: ...
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How to retrieve a module's path?

...For the file I'm in I had to import another module from the same directory and do as shown here. Does anyone know a more convenient way? – Ben Bryant Jan 19 '12 at 18:11 ...
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Should I write script in the body or the head of the html? [duplicate]

... the structures are a bit different. In your experience, which work better and why? 5 Answers ...