大约有 36,020 项符合查询结果（耗时：0.0248秒） [XML]
Parallelize Bash script with maximum number of processes
...
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 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
...
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
...
How do I update my bare repo?
...
If you want to duplicate all the objects from the main repo, do this inside the main repo:
git push --all <url-of-bare-repo>
Alternatively, do a fetch inside the bare repo:
git fetch <url-of-main-repo>
You cannot do a pull, because a pull wants to merge with HEAD, whi...
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
...
How Do I Use Factory Girl To Generate A Paperclip Attachment?
...n example factory:
include ActionDispatch::TestProcess
FactoryBot.define do
factory :user do
avatar { fixture_file_upload(Rails.root.join('spec', 'photos', 'test.png'), 'image/png') }
end
end
In the above example, spec/photos/test.png needs to exist in your application's root directory b...
Are soft deletes a good idea? [duplicate]
.... you "delete" someone from a table keyed by Social Security Number - what do you do when you need to add him back? Please don't say "include IsDeleted in a compound primary key".).
In a design review, I would expect the developer to demonstrate an awareness of the costs and benefits and to presen...
How do I revert an SVN commit?
...
Both examples must work, but
svn merge -r UPREV:LOWREV . undo range
svn merge -c -REV . undo single revision
in this syntax - if current dir is WC and (as in must done after every merge) you'll commit results
Do you want to see logs?
...
How to detect a textbox's content has changed
...ed. I can use the keyup method, but that will also detect keystrokes which do not generate letters, like the arrow keys. I thought of two methods of doing this using the keyup event:
...
How do I get an object's unqualified (short) class name?
How do I check the class of an object within the PHP name spaced environment without specifying the full namespaced class.
...