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How to prune local tracking branches that do not exist on remote anymore
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If you want to delete all local branches that are already merged into master, you can use the following command:
git branch --merged master | grep -v '^[ *]*master$' | xargs git branch -d
More info.
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What is the difference between lower bound and tight bound?
...d 2n^2 = O(n^2) is asymptotically tight, but the bound 2n = O(n^2) is not. Read more: stackoverflow.com/questions/1364444/…
– Dragos Strugar
Sep 29 '17 at 12:41
add a commen...
How to avoid annoying error “declared and not used”
...and be sure to use everything you declare or import. It makes it easier to read code written by other people (you are always sure that all declared variables will be used), and avoid some possible dead code.
But, if you really want to skip this error, you can use the blank identifier (_) :
package...
Best Java obfuscator? [closed]
...mething. Everything is hackable. A smart developer using a smart IDE can already get far enough.
Well, you can find here a list. ProGuard is pretty good. I've used it myself, but only to "minify" Java code.
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Minimal web server using netcat
...M
echo "\n"
echo "Addresses:"
echo "$(ifconfig)"
echo "\n"
echo "$(gpio readall)"
and my web browser is showing
************PRINT SOME TEXT***************
Hello World!!!
Resources:
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cach...
Is it possible to do start iterating from an element other than the first using foreach?
... can use Take to limit the number of elements which are returned.
You can read more about both of these (and the related SkipWhile and TakeWhile methods) in my Edulinq blog series.
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static allocation in java - heap, stack and permanent generation
I have been lately reading a lot on memory allocation schemes in java, and there have been many doubts as I have been reading from various sources. I have collected my concepts, and I would request to go through all of the points and comment on them. I came to know that memory allocation is JVM spec...
LEFT OUTER joins in Rails 3
...you're using it in. The Rails guide explains it better than I could if you read the entirety of section 12: guides.rubyonrails.org/…
– WuTangTan
Feb 20 '13 at 15:50
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Show all Elasticsearch aggregation results/buckets and not just 10
...sues inflicted on your cluster with high-cardinality field values. You can read more about it in the github issue here .
It is recommended to explicitly set reasonable value for size a number between 1 to 2147483647.
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Can I store the .git folder outside the files I want tracked?
...p; echo \"gitdir: $1\" >> .git; }; f"
Use git version control on a read-only working directory
With the knowledge above, you can even set up git version control for an working directory without having write permissions. If you either use --git-dir on every git command or execute every comma...