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Ruby on Rails: getting the max value from a DB column
...med bar, this should work:
Bar.maximum("bar")
See the excellent Rails Guides section on Calculations for more info.
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Format an Integer using Java String Format
...r
// │└─────── ... minimum of 3 characters wide
// └──────── ... pad with zeroes instead of spaces
See java.util.Formatter for more information.
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How to convert BigDecimal to Double in Java?
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How to copy files between two nodes using ansible
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good answer! Unfortunately I did not get it working in an Vagrant environment with multi VMs. Seems Vagrant does something special there.
– therealmarv
Mar 5 '15 at 6:56
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Decode HTML entities in Python string?
...cessary to h.unescape(s).encode("utf-8"). The docs: """The definition provided here contains all the entities defined by XHTML 1.0 that can be handled using simple textual substitution in the Latin-1 character set (ISO-8859-1)"""
– anonymous coward
Sep 5 '18 a...
How to fallback to local stylesheet (not script) if CDN fails
...in? No, you cannot enumerate .rules/.cssRules for external stylesheets. jsfiddle.net/E6yYN/13
– Salman A
Oct 13 '16 at 7:09
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Is “ ” a replacement of “ ”?
... wanted to check: is this the new replacement for white space? If yes, any idea why they changed?
3 Answers
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RegEx - Match Numbers of Variable Length
...0-9] for most regex flavors:
{\d{1,3}:\d{1,3}}
You may also want to consider escaping the outer { and }, just to make it clear that they are not part of a repetition definition.
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Print All JVM Flags
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@Pyrolistical Thanks for the link; good read and I did not know Jeff Atwood recently blogged about read the source.
– Dan Cruz
May 7 '12 at 19:02
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How is “int main(){(([](){})());}” valid C++?
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