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What does the 'Z' mean in Unix timestamp '120314170138Z'?
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Yes. 'Z' stands for Zulu time, which is also GMT and UTC.
From http://en.wikipedia.org/wiki/Coordinated_Universal_Time:
The UTC time zone is sometimes denoted by the letter Z—a reference to
the equivalent nautical time zone (GM...
Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
...m is that when you have a macro replacement, the preprocessor will only expand the macros recursively if neither the stringizing operator # nor the token-pasting operator ## are applied to it. So, you have to use some extra layers of indirection, you can use the token-pasting operator with a recurs...
List of tuples to dictionary
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@chandresh This does work in Python 3, so no update is required.
– Sven Marnach
Apr 17 '18 at 13:48
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Difference between a Seq and a List in Scala
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In Java terms, Scala's Seq would be Java's List, and Scala's List would be Java's LinkedList.
Note that Seq is a trait, which is equivalent to Java's interface, but with the equivalent of up-and-coming defender methods. Scala's List is an abstract class that is extended by...
How to create an exit message
Is there a one line function call that quits the program and displays a message? I know in Perl it's as simple as:
4 Answer...
List of remotes for a Git repository?
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You can get a list of any configured remote URLs with the command git remote -v.
This will give you something like the following:
base /home/***/htdocs/base (fetch)
base /home/***/htdocs/base (push)
origin git@bitbucket.org:*** (fetch)
origin git@bitbucket.org:*** (push)
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Git: How to edit/reword a merge commit's message?
...the --preserve-merges option (or its synonym, -p) to the git rebase -i command then git will try to preserve the merges when rebasing, rather than linearizing the history, and you should be able to amend the merge commits as well:
git rebase -i -p HEAD~5
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Send email with PHPMailer - embed image in body
...he answer:
$mail->AddEmbeddedImage('img/2u_cs_mini.jpg', 'logo_2u');
and on the <img> tag put src='cid:logo_2u'
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PhpStorm wrap/surround selection?
Often in coding and templating I need to wrap a certain part of text. Is there any shortcut to wrap the current selection, for example:
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What does 'stale file handle' in Linux mean?
Say I have a terminal open, and through that terminal I have cd 'ed to some directory. Through another terminal, I delete that directory and restore it back from an identical backup. When I try to vim a file from the first terminal, in the same directory, why do I get an error about a stale file ...