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How to highlight a current menu item?
...25 '12 at 23:46
Renan Tomal FernandesRenan Tomal Fernandes
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“Insert if not exists” statement in SQLite
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If you have a table called memos that has two columns id and text you should be able to do like this:
INSERT INTO memos(id,text)
SELECT 5, 'text to insert'
WHERE NOT EXISTS(SELECT 1 FROM memos WHERE id = 5 AND text = 'text to insert');
If a record already contains a row where ...
S3 Error: The difference between the request time and the current time is too large
I have error The difference between the request time and the current time is too large when call method amazons3.ListObjects
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Really Cheap Command-Line Option Parsing in Ruby
...he bottom of this post before replying. People keep posting their new gems and libraries and whatnot, which clearly don't meet the requirements.
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In Python, how do I iterate over a dictionary in sorted key order?
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This is not obvious. In fact, items() creates a list and therefore uses memory, whereas iteritems() essentially does not use memory. What to use mostly depend on the size of the dictionary. Furthermore, the automatic Python 2 to Python 3 conversion tool (2to3) automatically tak...
How to delete multiple buffers in Vim?
...ave multiple files opened as buffers in Vim. The files have *.cpp , *.h and some are *.xml . I want to close all the XML files with :bd *.xml . However, Vim does not allow this (E93: More than one match...).
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Convert a date format in PHP
... in SQL); however I don't know how the date function requires a timestamp, and I can't get a timestamp from this string.
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C# Sanitize File Name
...onstructing the new file names using the ID3 tags (thanks, TagLib-Sharp!), and I noticed that I was getting a System.NotSupportedException :
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What is the difference between MySQL Server and MySQL Client
...tu I normally install both but what are the differences between the client and server for MySQL.
3 Answers
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Implement paging (skip / take) functionality with this query
I have been trying to understand a little bit about how to implement custom paging in SQL, for instance reading articles like this one .
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