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Select first row in each GROUP BY group?
... Google's BigQuery also supports the first query's ROW_NUMBER() command. Worked like a charm for us
– Praxiteles
Jan 14 '18 at 5:53
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What does OSGi solve?
... about OSGi , but I don't really see the big picture. It says that it's a component-based platform, and that you can reload modules at runtime. Also the "practical example" given everywhere is the Eclipse Plugin Framework.
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Why is require_once so bad to use?
...e not performing any kind of extra checks such as using realpath. It's not comparing two things that are truly the same.
– jgmjgm
Jul 11 '17 at 15:07
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How to read a (static) file from inside a Python package?
... answered May 17 '11 at 8:14
jcomeau_ictxjcomeau_ictx
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javascript: recursive anonymous function?
... with various implementations of Javascript. (note — that's a fairly old comment; some/many/all of the problems described in Kangax's blog post may be fixed in more modern browsers.)
When you give a name like that, the name is not visible outside the function (well, it's not supposed to be; that'...
How do cache lines work?
...ransfer 64 bits (8 bytes) at a time, in a burst of eight transfers, so one command triggers a read or write of a full cache line from memory. (DDR1/2/3/4 SDRAM burst transfer size is configurable up to 64B; CPUs will select the burst transfer size to match their cache line size, but 64B is common)
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...mat)
Image formats can be separated into three broad categories:
lossy compression,
lossless compression,
uncompressed,
Uncompressed formats take up the most amount of data, but they are exact representations of the image. Bitmap formats such as BMP generally are uncompressed, although there a...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...ayout does. The way autolayout works is that in layoutSubviews the runtime comes dashing through all the constraints and setting the frames of all the views accordingly.
In other words, the constraints are not magic; they are just a to-do list. layoutSubviews is where the to-do list gets done. And ...
INNER JOIN vs LEFT JOIN performance in SQL Server
I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
How to highlight text using javascript
... for multiple occurrences (not relevant for the question, but was asked in comments) you simply add global on the replace regular expression.
"the fox jumped over the other fox".replace(/fox/g,"<span>fox</span>");
Hope this helps to the intrigued commenters.
Replacing the HTML to th...