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How to avoid merge-commit hell on GitHub/BitBucket

...hes Before Merging If you want to avoid merge commits, you need to ensure all commits are fast-forwards. You do this by making sure your feature branch rebases cleanly onto your line of development before a merge like so: git checkout master git checkout -b feature/foo # make some commits git re...
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How exactly does work?

...pt> elements. I saw the defer attribute can come in handy here as it allows code blocks to be postponed in execution. ...
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What is the best way to filter a Java Collection?

...he predicate): persons.removeIf(p -> p.getAge() <= 16); lambdaj allows filtering collections without writing loops or inner classes: List<Person> beerDrinkers = select(persons, having(on(Person.class).getAge(), greaterThan(16))); Can you imagine something more readable? Disc...
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?

... Yeah, I believe SQL Server's equivalent is called MERGE. In general, the concept is often referred to as "UPSERT". – chaos Aug 2 '09 at 13:40 3 ...
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Two versions of python on linux. how to make 2.7 the default

... You probably don't actually want to change your default Python. Your distro installed a standard system Python in /usr/bin, and may have scripts that depend on this being present, and selected by #! /usr/bin/env python. You can usually get away wi...
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Make page to tell browser not to cache/preserve input values

...sers. Another alternative is to use Javascript/jQuery to explicitly untick all checkboxes on page load. – DisgruntledGoat Apr 28 '10 at 10:28 1 ...
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How do I find the number of arguments passed to a Bash script?

...ash echo "The number of arguments is: $#" a=${@} echo "The total length of all arguments is: ${#a}: " count=0 for var in "$@" do echo "The length of argument '$var' is: ${#var}" (( count++ )) (( accum += ${#var} )) done echo "The counted number of arguments is: $count" echo "The accumula...
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How to undo a git merge with conflicts

...nges from before the merge, although it cannot always do so reliably. Generally you shouldn't merge with uncommitted changes anyway. Prior to version 1.7.4: git reset --merge This is older syntax but does the same as the above. Prior to version 1.6.2: git reset --hard which removes all uncom...
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Reset other branch to current without a checkout

...ws you describe are not equivalent: when you perform reset --hard you lose all the changes in the working tree (you might want to make it reset --soft). What you need is git update-ref refs/heads/OtherBranch refs/heads/CurrentBranch ...
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Can a shell script set environment variables of the calling shell? [duplicate]

..., when run, will set some environment variables that will stay set in the caller's shell. 21 Answers ...