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Using awk to print all columns from the nth to the last

... will print all but very first column: awk '{$1=""; print $0}' somefile will print all but two first columns: awk '{$1=$2=""; print $0}' somefile share ...
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Relational table naming convention [closed]

...with Standard-compliant Addresses Simple inter-office Bulletin system for PHP/MyNonSQL Sensor Monitoring with full Temporal capability Answers to Questions That cannot be reasonably answered in the comment space. Larry Lustig: ... even the most trivial example shows ... If a Customer has...
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String formatting: % vs. .format vs. string literal

...ated. And Python, not being a lazy language, evaluates expressions before calling functions, so in your log.debug example, the expression "some debug info: %s"%some_infowill first evaluate to, e.g. "some debug info: roflcopters are active", then that string will be passed to log.debug(). ...
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Best way to add “current” class to nav in Rails 3

...d this thoroughly and I'm very new to RoR (moving over after a decade with PHP) so if this has a major flaw I'd love to hear it. At least this way you only need 1 helper function and a simple call in each link. share ...
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How do I push amended commit to the remote Git repository?

...rge between old and new, recording the tree of new, like git checkout new && git merge -s ours old. Merge that to your master with git merge master Update your master with the result with git push . HEAD:master Push the result out. Then people who were unfortunate enough to have based thei...
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Add line break to ::after or ::before pseudo-element content

I do not have access to the HTML or PHP for a page and can only edit via CSS. I've been doing modifications on a site and adding text via the ::after or ::before pseudo-elements and have found that escape Unicode should be used for things such as a space before or after the added content. ...
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Python recursive folder read

...le name. Another problem are your loops, which should be like this, for example: import os import sys walk_dir = sys.argv[1] print('walk_dir = ' + walk_dir) # If your current working directory may change during script execution, it's recommended to # immediately convert program arguments to an ...
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Convert absolute path into relative path given a current directory using Bash

Example: 23 Answers 23 ...
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Comparing two byte arrays in .NET

...11 software license // Ref: http://www.opensource.org/licenses/mit-license.php. static unsafe bool UnsafeCompare(byte[] a1, byte[] a2) { if(a1==a2) return true; if(a1==null || a2==null || a1.Length!=a2.Length) return false; fixed (byte* p1=a1, p2=a2) { byte* x1=p1, x2=p2; int l = a...
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Removing Java 8 JDK from Mac

So I installed the beta of JDK 8 a while ago to look at some of the examples. I thought for sure by now, it's easy to change between versions. ...