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What is a unix command for deleting the first N characters of a line?
... do you have any idea of why the pipe doesn't work? when i run essentially that command, 'cut' doesn't print the results to stdout ... if i just run 'tail -f logfile | cut -c 5-' i can see the results ... the problem must be with grep i'm using cygwin FYI thanks
– les2
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How does the HyperLogLog algorithm work?
...ently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list.
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What is the difference between a symbolic link and a hard link?
... (Or is it multiple inodes? Not sure.)
A file in the file system is basically a link to an inode.
A hard link, then, just creates another file with a link to the same underlying inode.
When you delete a file, it removes one link to the underlying inode. The inode is only deleted (or deletable/ove...
How can I use an http proxy with node.js http.Client?
I want to make an outgoing HTTP call from node.js, using the standard http.Client . But I cannot reach the remote server directly from my network and need to go through a proxy.
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MacOSX homebrew mysql root password
For some reason MySQL stopped giving access for root. Uninstalled and reinstalled with Homebrew. Fresh install, fresh tables but when I enter
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Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
I am building a website specifically for mobile devices. There is one page in particular which is best viewed in landscape mode.
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Postgresql query between date ranges
...lts where a date is in certain month and year. In other words I would like all the values for a month-year.
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Inserting image into IPython notebook markdown
...r advantage compared to the other methods proposed is that you can display all common file formats including jpg, png, and gif (animations).
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Drawing text to with @font-face does not work at the first time
...loaded via @font-face, the text doesn't show correctly. It doesn't show at all (in Chrome 13 and Firefox 5), or the typeface is wrong (Opera 11). This type of unexpected behavior occurs only at the first drawing with the typeface. After then everything works fine.
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Android: I am unable to have ViewPager WRAP_CONTENT
...6 '13 at 12:22
Daniel López LacalleDaniel López Lacalle
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