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Remove specific commit

...hanged line 2" 1 files changed, 1 insertions(+), 1 deletions(-) Then it all works as expected. The second answer was very interesting. There is a feature which has not yet been officially released (though it is available in Git v1.7.2-rc2) called Revert Strategy. You can invoke git like this: ...
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Send attachments with PHP Mail()?

...a convenient place in your project. Include the main script file -- require_once('path/to/file/class.phpmailer.php'); Now, sending emails with attachments goes from being insanely difficult to incredibly easy: use PHPMailer\PHPMailer\PHPMailer; use PHPMailer\PHPMailer\Exception; $email = new PHP...
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What is a semaphore?

...s bouncers at a nightclub. There are a dedicated number of people that are allowed in the club at once. If the club is full no one is allowed to enter, but as soon as one person leaves another person might enter. It's simply a way to limit the number of consumers for a specific resource. For exampl...
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What actually causes a Stack Overflow error? [duplicate]

...ve programs, when there is a risk of writing into memory that had not been allocated for the buffer, and thus to corrupt some other memory locations. It's not the case at all. JVM has a given memory allocated for each stack of each thread, and if an attempt to call a method happens to fill this mem...
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Permission denied on accessing host directory in Docker

.../db:/var/db:z rhel7 /bin/sh Will automatically do the chcon -Rt svirt_sandbox_file_t /var/db described in the man page. Even better, you can use Z. docker run -v /var/db:/var/db:Z rhel7 /bin/sh This will label the content inside the container with the exact MCS label that the c...
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How to exit pdb and allow program to continue?

...b module to debug a program. I'd like to understand how I can exit pdb and allow the program to continue onward to completion. The program is computationally expensive to run, so I don't want to exit without the script attempting to complete. continue doesn't seems to work. How can I exit pdb and ...
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How to fix Git error: object file is empty?

... the .git directory and run find . -type f -empty -delete -print to remove all empty files. Eventually git started telling me it was actually doing something with the object directories: nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git fsck --full Checking object directories: 100% (256/256)...
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Timing a command's execution in PowerShell

...turn the average, minimum and maximum time taken. You can add -Silent to swallow STDOUT. – joshuapoehls Mar 26 '12 at 18:11 13 ...
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How do I tell Gradle to use specific JDK version?

...is is somewhat tedious work if you have 20+ build jobs... I think Gradle really needs to pick the Java Home directory from the system's configuration! – Markus L Jul 20 '16 at 12:39 ...
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Java and SQLite [closed]

... which uses embedded native SQLite libraries on Windows, Linux, OS X, and falls back to pure Java implementation on other OSes: https://github.com/xerial/sqlite-jdbc (formerly zentus) Another Java - SWIG wrapper. It only works on Win32. http://rodolfo_3.tripod.com/index.html sqlite-java-shell: 100% ...