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“for” vs “each” in Ruby
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316
This is the only difference:
each:
irb> [1,2,3].each { |x| }
=> [1, 2, 3]
irb> x
N...
extra qualification error in C++
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211
This is because you have the following code:
class JSONDeserializer
{
Value JSONDeserializ...
How Do I Fetch All Old Items on an RSS Feed?
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10
As the other replies here mentioned, a feed may not provide archival data but historical items ...
Updating packages in Emacs
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165
In order to automatically update the list of packages, only if there is no package list alrea...
How to Set Opacity (Alpha) for View in Android
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12 Answers
12
Active
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Emulating a do-while loop in Bash
...loop
actions() {
check_if_file_present
# Do other stuff
}
actions #1st execution
while [ current_time <= $cutoff ]; do
actions # Loop execution
done
Or:
while : ; do
actions
[[ current_time <= $cutoff ]] || break
done
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PostgreSQL array_agg order
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answered Sep 6 '11 at 10:18
UlfRUlfR
3,1832222 silver badges3232 bronze badges
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How to print something without a new line in ruby
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131
Use print instead.
You may want to follow it up by STDOUT.flush.
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Prevent wrapping of span or div
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186
Try this:
.slideContainer {
overflow-x: scroll;
white-space: nowrap;
}
.slide...
How to get VM arguments from inside of Java application?
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185
With this code you can get the JVM arguments:
import java.lang.management.ManagementFactory;
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