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How does MySQL process ORDER BY and LIMIT in a query?
...not 1):
SELECT * FROM tbl LIMIT 5,10; # Retrieve rows 6-15
To retrieve all rows from a certain offset up to the end of the result set, you can use some large number for the second parameter. This statement retrieves all rows from the 96th row to the last:
SELECT * FROM tbl LIMIT 95,18446744073...
T-SQL split string
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Thanks a lot Andy. I made a small enhancement to your script to allow the function to return an item at a specific index in the split string. It is useful only in situations when you the structure of the column one is parsing. gist.github.com/klimaye/8147...
Image library for Python 3
...actively being developed as for Oct 2014, has a nice doc, you may pip3 install Image (I was using pillow without knowing), and you from PIL import Image. It also supports all the major platforms now. When looking for a PIL for python3, this is definitely the choice.
– Yosh
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Create an empty data.frame
I'm trying to initialize a data.frame without any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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Use space as a delimiter with cut command
...You can't use regexes with cut, but you can with cuts which tries to "fix" all of cut limitations: github.com/arielf/cuts
– arielf
Jul 3 '14 at 4:00
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C# DLL config file
Im trying to add an app.config file to my DLL, but all attempts have failed.
17 Answers
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Regular expression to match numbers with or without commas and decimals in text
I'm trying to locate and replace all numbers in a body of text. I've found a few example regex's, which almost solve the problem, but none are perfect yet. The problem I have is that the numbers in my text may or may not have decimals and commas. For example:
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Unix command to find lines common in two files
... @ferdy (Repeating my comment from your answer, as yours is essentially a repeated answer posted as a comment) grep does some weird things you might not expect. Specifically, everything in 1.txt will be interpreted as a regular expression and not a plain string. Also, any blank line in 1.txt...
How to remove EXIF data without recompressing the JPEG?
...ress it, as recompressing the JPEG will degrade the quality, as well as usually increasing the file size.
11 Answers
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How to declare a global variable in a .js file
I need a few global variables that I need in all .js files.
5 Answers
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