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Rails 4 image-path, image-url and asset-url no longer work in SCSS files
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Sprachprofi
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answered Nov 26 '13 at 7:32
cdaloisiocdaloisio
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Java, How do I get current index/key in “for each” loop [duplicate]
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You can't, you either need to keep the index separately:
int index = 0;
for(Element song : question) {
System.out.println("Current index is: " + (index++));
}
or use a normal for loop:
for(int i = 0; i < question.length; i++) {
System.out.println("Current index is: " + i);
}
Th...
Best implementation for hashCode method for a collection
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20 Answers
20
Active
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How to prevent UINavigationBar from covering top of view in iOS 7?
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10 Answers
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How to tell if a file is git tracked (by shell exit code)?
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edited Aug 8 '17 at 17:06
ntc2
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answered Mar 9...
Most efficient conversion of ResultSet to JSON?
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answered Jun 29 '11 at 1:50
Andrew WhiteAndrew White
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How to assert two list contain the same elements in Python? [duplicate]
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edited Aug 10 '18 at 16:44
kmad1729
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How can I exclude all “permission denied” messages from “find”?
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+100
Note:
* This answer probably goes deeper than the use case warrants, and find 2>/dev/null may be good enough in many situations. I...
How do I pipe or redirect the output of curl -v?
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answered Mar 25 '11 at 1:09
SingleNegationEliminationSingleNegationElimination
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While loop to test if a file exists in bash
...xists by adding:
while [ ! -f /tmp/list.txt ]
do
sleep 2 # or less like 0.2
done
ls -l /tmp/list.txt
You might also make sure that you're using a Bash (or related) shell by typing 'echo $SHELL'. I think that CSH and TCSH use a slightly different semantic for this loop.
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