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Git: How to squash all commits on branch
... --force
Karlotcha Hoa adds in the comments:
For the reset, you can do
git reset $(git merge-base master $(git rev-parse --abbrev-ref HEAD))
[That] automatically uses the branch you are currently on.
And if you use that, you can also use an alias, as the command doesn't rely on the...
How do you run a command for each line of a file?
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Blah 3 blabla 3..
Blah 4 blabla 4..
Blah 5 blabla 5..
Where commande is done once per line.
while read and variants.
As OP suggest cat file.txt | while read in; do chmod 755 "$in"; done will work, but there is 2 issues:
cat | is an useless fork, and
| while ... ;done will become a subshell whe...
Why do we need break after case statements?
Why doesn't the compiler automatically put break statements after each code block in the switch? Is it for historical reasons? When would you want multiple code blocks to execute?
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How do I clone a generic list in C#?
...wish to clone the list. The items within the list are cloneable, but there doesn't seem to be an option to do list.Clone() .
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Integer division: How do you produce a double?
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double num = 5;
That avoids a cast. But you'll find that the cast conversions are well-defined. You don't have to guess, just check the JLS. int to double is a widening conversion. From §5.1.2:
Widening primitive c...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
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Try to do an UPDATE. If it doesn't modify any row that means it didn't exist, so do an insert. Obviously, you do this inside a transaction.
You can of course wrap this in a function if you don't want to put the extra code on the cl...
Parallelize Bash script with maximum number of processes
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Depending on what you want to do xargs also can help (here: converting documents with pdf2ps):
cpus=$( ls -d /sys/devices/system/cpu/cpu[[:digit:]]* | wc -w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-pro...
How do I make a redirect in PHP?
...is must be sent to the browser before any HTML or text (so before the <!DOCTYPE ...> declaration, for example).
header('Location: '.$newURL);
2. Important details
die() or exit()
header("Location: http://example.com/myOtherPage.php");
die();
Why you should use die() or exit(): The Daily WTF
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How do you do a simple “chmod +x” from within python?
...at.S_IXOTH. Note: that value is the same as octal 0111, so you could just do st.st_mode | 0111
– eric.frederich
Aug 13 '13 at 14:18
1
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How do I send a cross-domain POST request via JavaScript?
How do I send a cross-domain POST request via JavaScript?
17 Answers
17
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