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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
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answered Sep 15 '11 at 3:10
Daniel C. SobralDaniel C. Sobral
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Git merge without auto commit
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643
Note the output while doing the merge - it is saying Fast Forward
In such situations, you want ...
Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
In my Rails (3.2) app, I have a bunch of tables in my database but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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npm - how to show the latest version of a package
...odule? I am expecting something like npm --latest express to print out v3.0.0 .
6 Answers
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Select first occurring element after another element
...owing an .original element. Very usefull
– user1610743
Apr 1 '14 at 17:07
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convert streamed buffers to utf8-string
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293
Single Buffer
If you have a single Buffer you can use its toString method that will convert all...
CSS - How to Style a Selected Radio Buttons Label?
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303
.radio-toolbar input[type="radio"] {
display: none;
}
.radio-toolbar label {
dis...
Returning value from called function in a shell script
...ho "directory not created"
else
echo "directory already created"
fi
3. Share variable
lockdir="somedir"
retval=-1
testlock(){
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
r...
What is a memory fence?
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edited Oct 13 '12 at 2:13
Kirill Kobelev
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