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Convert Time from one time zone to another in Rails
...pull out will be in that time zone. If you need different time zones, say based on a user timezone you can change it with a before_filter in your controller.
class ApplicationController < ActionController::Base
before_filter :set_timezone
def set_timezone
Time.zone = current_user.time...
C#: Abstract classes need to implement interfaces?
...de implementations of all members of the interfaces that are listed in the base class list of the class. However, an abstract class is permitted to map interface methods onto abstract methods."
https://msdn.microsoft.com/en-us/library/Aa664595(v=VS.71).aspx
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Label points in geom_point
...e_y_continuous(expand = expand_scale(mult = c(0.1, .1))) +
theme_classic(base_size = 16)
Edit: To use ggrepel with lines, see this and this.
Created on 2019-05-01 by the reprex package (v0.2.0).
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Replace specific characters within strings
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Well, I could snicker that "Those who do not understand base functions are doomed to replace them". Exactly what does stringr gain here, besides increasing the number of underscores in your source file?
– Dirk Eddelbuettel
Aug 13 '12 at 14:3...
Why is Linux called a monolithic kernel?
...uenced by Andew Tanenbaum's MINIX when he created Linux. However, MINIX is based on a micro kernel design while Linux uses a monolithic kernel.
– Martin Liversage
Nov 27 '09 at 8:12
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Case-INsensitive Dictionary with string key-type in C#
...sible, the StringComparison.OrdinalIgnoreCase comparer faster than culture-based: stackoverflow.com/questions/492799/…
– Manushin Igor
Mar 30 '15 at 12:03
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Disable XML validation in Eclipse
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In JBoss Developer 4.0 and above (Eclipse-based), this is a tad easier. Just right-click on your file or folder that contains xml-based files, choose "Exclude Validation", then click "Yes" to confirm. Then right-click the same files/folder again and click on "Valid...
Why is an int in OCaml only 31 bits?
...huclv: This is not surprising, of course. Just like the HotSpot JVM, V8 is based on the Animorphic Smalltalk VM, which in turn is based on the Self VM. And V8 was developed by (some of) the same people who developed the HotSpot JVM, the Animorphic Smalltalk VM, and the Self VM. Lars Bak, in particul...
What's the difference between utf8_general_ci and utf8_unicode_ci?
...les, available under names such as utf8mb4_0900_ai_ci for equivalent rules based on Unicode 9.0 - and with no equivalent _general variant. People reading this now should probably use one of these newer collations instead of either _unicode or _general. Much of what's written below is not of much int...
Difference between Visual Basic 6.0 and VBA
...'t know why that is. Otherwise, I believe there are no differences in the base languages.
– Dick Kusleika
Jun 14 '09 at 21:39
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