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How to vertically center a container in Bootstrap?
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The Flexible box way
Vertical alignment is now very simple by the use of Flexible box layout. Nowadays, this method is supported in a wide range of web browsers except Internet Explorer 8 & 9. Therefore we'd need to use some hacks/polyfills or different approaches...
How can I check for NaN values?
...still in common use - and math.isnan was not part of the standard library. Now days I'm really hoping that's not the case in many places!
– mavnn
Mar 30 '15 at 7:30
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No tests found with test runner 'JUnit 4'
My Java test worked well from Eclipse. But now, when I relaunch test from the run menu, I get the following message:
41 An...
Replace String in all files in Eclipse
Do you know how can I search an replace a String in all files of my current project?
10 Answers
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Bash: Strip trailing linebreak from output
... My up-vote is for the head -c ... version -- Because I can now feed commands to the clipboard and preserve formatting, but for the last \n. Eg.: alias clip="head -c -1 | xclip -selection clipboard", not too shabby. Now when you pipe ls -l | clip ... All that wonderful output goes ...
View HTTP headers in Google Chrome?
Till 9.x, the headers were under the resources in the Developer Tools, but now I can't find it anywhere.
8 Answers
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Difference between “and” and && in Ruby?
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Actually the guide now says to avoid and/or completely, and they might have a point. Often their usage in control flow could be more obviously written with if/unless operators anyway (e.g. document.save! unless document.saved?)
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ImportError: No module named pip
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I am having python2 and 3 on the same machine but for now I wanted to use Python3. Hence I had to modify the comment above to sudo python3 -m pip install matplotlib (I had to do this via sudo, otherwise some folder permission didnt work). (edited the answer correspondingly)
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How to alter SQL in “Edit Top 200 Rows” in SSMS 2008
...eful b/c it shows an EDIT grid. afaik it's completely undocumented. (also nowhere else in ssms do you get an edit grid with a composable sql of the rows you want in the edit grid). This shouldn't be so buried in the SSMS gui. (Still works on the latest ssms and sql server 2019.)
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How to use sed to remove the last n lines of a file
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I don't know about sed, but it can be done with head:
head -n -2 myfile.txt
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