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How to print last two columns using awk
...NF-1 vs. $(NF-1) issue. Next question what does POSIX say?
per:
http://www.opengroup.org/onlinepubs/009695399/utilities/awk.html
There is no direction one way or the other. Not good. gawk implies subtraction, other awks imply field number or subtraction. hmm.
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Mac OS X Terminal: Map option+delete to “backward delete word”
...k delete (kill) from cursor to end of line, and a bunch more.
See http://www.bigsmoke.us/readline/shortcuts for a nice little reference table.
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Private pages for a private Github repo
...ic HTML) internally and privately.
I ended up creating a service https://www.privatehub.cloud It is basically a simple proxy server with Github OAuth authentication, so it merely returns your GitHub repository content with a proper MIME type. By design, only who have access to foo will be able to ...
View the Task's activity stack
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realActivity=com.android.launcher/.Launcher
lastActiveTime=214734838 (inactive for 73483s)
* Hist #6: HistoryRecord{44c4d988 com.android.launcher/.Launcher}
packageName=com.android.launcher processName=android.process.acore
launchedFromUid=0 app=ProcessRecord{44c4f348 11...
MySQL LIKE IN()?
...s sense.
If you want to learn more about regular expressions, I recommend www.regular-expressions.info as a good reference site.
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Difference Between Schema / Database in MySQL
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PostgreSQL supports schemas, which is a subset of a database:
https://www.postgresql.org/docs/current/static/ddl-schemas.html
A database contains one or more named schemas, which in turn contain
tables. Schemas also contain other kinds of named objects, including
data types, functions, ...
Count the number of occurrences of a string in a VARCHAR field?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How do I read / convert an InputStream into a String in Java?
...,605 us/op
9. BufferedReader (JDK) avgt 10 16,038 ± 0,711 us/op
5. parallel Stream Api (Java 8) avgt 10 21,544 ± 0,583 us/op
Performance tests for big String (length = 50100), url in github (mode = Average Time, system = Linux, score 200,715 is th...
How to clear the cache of nginx?
...cted immediately and without question
It is related to this bug: https://www.virtualbox.org/ticket/12597
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Difference between SRC and HREF
...lse.
For example:
Absolute URL with anchor element: <a href="http://www.google.com/">Click here</a>
Relative URL with link element: <link href="mystylesheet.css" type="text/css">
Courtesy
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