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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
I am a beginner to Ruby on Rails and I am using Rails 3.0.9.
3 Answers
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Oracle JDBC ojdbc6 Jar as a Maven Dependency
...t;
<artifactId>ojdbc6</artifactId>
<version>11.2.0.3</version>
</dependency>
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<repositories>
<repository>
<id>codelds</id>
<url>https://code.lds.org/nexus/content/groups/main-repo</url>
</repository&...
What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
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answered May 6 '09 at 13:07
smorgansmorgan
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...t has 4 lines, each holding 64 bytes. We first attempt to read the address 0x2710, which goes in set 28. And then we also attempt to read addresses 0x2F00, 0x3700, 0x3F00 and 0x4700. All of these belong to the same set. Before reading 0x4700, all lines in the set would have been occupied. Reading th...
sed error: “invalid reference \1 on `s' command's RHS”
...capture for that to work? i.e. for variant 2:
-r -e "s/WARNING: (\([a-zA-Z0-9./\\ :-]\+\))/${warn}WARNING: \1${c_end}/g" \
(Note: untested)
Without the -r argument back-references (like \1) won't work.
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Evaluate if list is empty JSTL
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edited Nov 22 '19 at 10:05
informatik01
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an...
Recommendation for compressing JPG files with ImageMagick
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10 Answers
10
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how to hide a vertical scroll bar when not needed
... taller than 159px it won't start scrolling until the text is taller than 400px which is the height of the textbox.
Try this: http://jsfiddle.net/G9rfq/1/
I set overflow:auto on the text box, and made the textbox the same size as the div.
Also I don't believe it's valid to have a div inside a lab...
Check if string matches pattern
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import re
pattern = re.compile("^([A-Z][0-9]+)+$")
pattern.match(string)
Edit: As noted in the comments match checks only for matches at the beginning of the string while re.search() will match a pattern anywhere in string. (See also: https://docs.python.org/libr...
Read input from console in Ruby?
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230
Are you talking about gets?
puts "Enter A"
a = gets.chomp
puts "Enter B"
b = gets.chomp
c = a.t...