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#define macro for debug printing in C?
...for the debugging trace statements unless debug is enabled. Basically, it means that all of your code is checked by the compiler every time you compile - whether for release or debugging. This is a good thing!
debug.h - version 1.2 (1990-05-01)
/*
@(#)File: $RCSfile: debug.h,v $
@(#)V...
Biggest GWT Pitfalls? [closed]
... longer an issue, because you use the new 'Development Mode'. It basically means you can run code directly in your browser of choice, so no loss of speed, plus you can firebug/inspect it, etc.
http://code.google.com/p/google-web-toolkit/wiki/UsingOOPHM
Problem: GWT code is java, and has a differ...
Eclipse: Referencing log4j.dtd in log4j.xml
...ne less thing to worry about).
The down side though, is that I believe it means you'll need an Internet connection (at least at some point during development, even if it's just one time).
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Why do most fields (class members) in Android tutorial start with `m`?
... Besides, people quickly learn to ignore the prefix (or suffix) to see the meaningful part of the name. The more we read the code, the less we see the prefixes. Eventually the prefixes become unseen clutter and a marker of older code." - Robert Martin in Clean Code
– mikugo
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querySelector search immediate children
...f problems with that. @disfated wants it to work with querySelector, which means that :eq() can't be used. Even if it could, your selector would return the element that is :eq() to its appearance on the page, not :eq() to the index of its parent (which is where you're getting the idx).
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Rails 3: Get Random Record
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@JohnMerlino, yes 0 is offset, not id. Offet 0 means first item according to order.
– fl00r
Aug 18 '14 at 8:27
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PostgreSQL DISTINCT ON with different ORDER BY
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@LaurentMeyer do you mean Purchases.query?
– reubano
Jan 8 '18 at 13:24
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Database Design for Revisions?
...rack who deleted particular revision.
Think about what DateModified should mean - either it means where this particular revision was created, or it will mean when this particular revision was replaced by another one. The former requires the field to be in the Records table, and seems to be more intu...
Update a table using JOIN in SQL Server?
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Just because it's supported doesn't mean it's a good idea.
– Aaron Bertrand
Oct 13 '14 at 17:02
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MySQL select one column DISTINCT, with corresponding other columns
...SQL is free to choose ANY value within the data set being grouped [sic].
Meaning an ID or lastname value may be retrieved that is not associated with the retrieved firstname row.
WARNING
With MySQL GROUP BY may not yield the expected results when used with ORDER BY
See Test Case Example
The...