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Insert a commit before the root commit in Git?
... updating the index and working copy repeatedly, for no good reason. But some may find this easier to understand:
git checkout --orphan newroot
git rm -rf .
git clean -fd
git commit --allow-empty -m 'root commit'
Note that on very old versions of Git that lack the --orphan switch to checkout, you...
PHP: How to remove all non printable characters in a string?
...127-255 and removes it.
8 bit extended ASCII?
You fell into a Hot Tub Time Machine, and you're back in the eighties.
If you've got some form of 8 bit ASCII, then you might want to keep the chars in range 128-255. An easy adjustment - just look for 0-31 and 127
$string = preg_replace('/[\x00-\x1...
Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
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Using async-await on .net 4
...-await feature. But I'm not sure which version of VS and of the async runtime to use.
5 Answers
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Run java jar file on a server as background process
...rl + C or close the console, the server will shut down. Could anyone help me how to modify this script to run as a normal server?
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Is it possible to use raw SQL within a Spring Repository
... Data JPA reference docs.
Also, see this section on how to do it with a named native query.
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How to convert an xml string to a dictionary?
I have a program that reads an xml document from a socket. I have the xml document stored in a string which I would like to convert directly to a Python dictionary, the same way it is done in Django's simplejson library.
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What's the difference between libev and libevent?
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As for design philosophy, libev was created to improve on some of the architectural decisions in libevent, for example, global variable usage made it hard to use libevent safely in multithreaded environments, watcher structures are big because they combine I/O, time and signal handler...
Android Studio IDE: Break on Exception
...eption and Uncaught exception selected
Define filters that specify namespaces of libraries that the debugger should break on: Check the Class filters checkbox to enable class filtering (as mentioned by @Scott Barta). Then click the ... (elipsis) button to open the Class Filters dialog. Specify...
Transactions in .net
...and rollback stuff. I'm just starting a project where I might need to do some transactions while inserting data into the DB. Any responses or links for even basic stuff about transactions are welcome.
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