...rint, it prints the pattern buffer. Hold buffer / hold space is like a long-term storage, such that you can catch something, store it and reuse it later when sed is processing another line. You do not directly process the hold space, instead, you need to copy it or append to the pattern space if yo...

I know that at least one of the changes in C++11 that will cause some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...

Is it possible to generate a Dockerfile from an image? I want to know for two reasons: 8 Answers ...

Anyone know a quick easy way to migrate a SQLite3 database to MySQL? 17 Answers 17 ...

I am using npm v1.0.104/node 0.6.12 on ubuntu - I am receiving the error copied below while attempting to install any new modules via npm (I tested socket.io earlier using http, not https though & am wondering if that could have resulted in the issue with npm/unsigned certs). The error pops up once...

I have problem with scheduling. I need to prove that the problem is NP complete. What can be the methods to prove it NP complete? ...

In Perl, what is a good way to perform a replacement on a string using a regular expression and store the value in a different variable, without changing the original? ...

... Warning: This will break your repo. This will corrupt binary files, including those under svn, .git! Read the comments before using! find . -iname '*.java' -type f -exec sed -i.orig 's/\t/ /g' {} + The original file is saved as...

I am trying to use the Directory.GetFiles() method to retrieve a list of files of multiple types, such as mp3 's and jpg 's. I have tried both of the following with no luck: ...

I have a table, 'lasttraces', with the following fields. 5 Answers 5 ...