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Best practices for storing postal addresses in a database (RDBMS)?
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Andrew FerrierAndrew Ferrier
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Difference between Destroy and Delete
...d.delete # Ran without callbacks
Child Destroy (99.6ms) DELETE FROM "children" WHERE "children"."id" = $1 [["id", 21]]
> parent.children.delete(other_child) # Ran with callbacks
before_remove callback
before_destroy callback
Child Destroy (0.4ms) DELETE FROM "ch...
Regular expression matching a multiline block of text
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Jason CoonJason Coon
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What does the “at” (@) symbol do in Python?
...anlazyjinhwanlazy
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Validating an XML against referenced XSD in C#
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<title>The Confidence Man</title>
<price>11.99</price>
</book>
<cd:cd>
<title>Americana</title>
<cd:artist>Offspring</cd:artist>
<price>16.95</price>
</cd:cd>
</bookstore>
books.xsd
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What does Redis do when it runs out of memory?
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AdrianAdrian
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add a comment
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How to run a background task in a servlet based web application?
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TwisterTwister
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Java Reflection Performance
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kdgregorykdgregory
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What is a “static” function in C?
... is basically what C++ does under the hood.
What standards say about it
C99 N1256 draft 6.7.1 "Storage-class specifiers" says that static is a "storage-class specifier".
6.2.2/3 "Linkages of identifiers" says static implies internal linkage:
If the declaration of a file scope identifier for a...
Naming returned columns in Pandas aggregate function? [duplicate]
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# 301 78 22.638417 33.246667
# 303 78 23.499706 34.106667
# 305 78 23.927090 35.115000
# 307 78 22.222266 31.328333
# 309 78 23.132574 33.781667
df.columns = df.columns.droplevel(0)
print(df.head())
yields
sum std mean
Seed ...