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Find duplicate lines in a file and count how many time each line was duplicated?
...' '\n' < yourfile | sort | uniq -d -c
^--space char
Basically: convert all space characters to linebreaks, then sort the tranlsated output and feed that to uniq and count duplicate lines.
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How do I expire a PHP session after 30 minutes?
I need to keep a session alive for 30 minutes and then destroy it.
15 Answers
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How would you go about parsing Markdown? [closed]
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interesting. perhaps I will try converting that as an f# project
– ShuggyCoUk
Feb 11 '10 at 13:51
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How to list the tables in a SQLite database file that was opened with ATTACH?
...tables ?PATTERN? List names of tables matching a LIKE pattern
Which converts to the following SQL:
SELECT name FROM sqlite_master
WHERE type IN ('table','view') AND name NOT LIKE 'sqlite_%'
UNION ALL
SELECT name FROM sqlite_temp_master
WHERE type IN ('table','view')
ORDER BY 1
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Adding header for HttpURLConnection
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I have used the following code in the past and it had worked with basic authentication enabled in TomCat:
URL myURL = new URL(serviceURL);
HttpURLConnection myURLConnection = (HttpURLConnection)myURL.openConnection();
String userCredentials = "username:password";
St...
How do I encode/decode HTML entities in Ruby?
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You can use htmlascii gem:
Htmlascii.convert string
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Android search with Fragments
Does somebody know of a tutorial or an example of how to implement the standard Android search interface with Fragment s? In other words, is it possible to put a standard search with a SearchManager in a Fragment?
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How to set input type date's default value to today?
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The date will be converted into UTC time. If you're at 6pm on 2018-03-27 in -0600 and you set the valueAsDate to new Date(), the fields value will be set to 2018-03-28. See austinfrance.wordpress.com/2012/07/09/…
– Aup...
ipad safari: disable scrolling, and bounce effect?
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I know this is slightly off-piste but I've been using Swiffy to convert Flash into an interactive HTML5 game and came across the same scrolling issue but found no solutions that worked.
The problem I had was that the Swiffy stage was taking up the whole screen, so as soon as it had loade...
What is the use of the square brackets [] in sql statements?
...s around column names in sql. Do the brackets offer any advantage? When I hand code T-SQL I've never bothered with them.
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