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Can you change what a symlink points to after it is created?

... place of the block list) if it is short enough; this is determined at the time it is created. Regarding the assertion that the actual owner and group are immaterial, symlink(7) on Linux says that there is a case where it is significant: The owner and group of an existing symbolic link ca...
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What is the fastest integer division supporting division by zero no matter what the result is?

...3 4 5; do gcc test.cc -o test -O -DITERATIONS=$it -DCHECK=$ch && { time=`time ./test`; echo "Iterations $it, check $ch: exit status $?, output $time"; }; done; done shows output that can be summarised in a table: Iterations → | 0 | 1 | 2 | 3 | 4 | 5 ...
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How to iterate through range of Dates in Java?

... Well, you could do something like this using Java 8's time-API, for this problem specifically java.time.LocalDate (or the equivalent Joda Time classes for Java 7 and older) for (LocalDate date = startDate; date.isBefore(endDate); date = date.plusDays(1)) { ... } I would t...
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How do you calculate program run time in python? [duplicate]

How do you calculate program run time in python? 5 Answers 5 ...
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what’s the difference between Expires and Cache-Control headers?

...P date whereas Cache-Control max-age lets you specify a relative amount of time so you could specify "X hours after the page was requested". HTML Cache control is a very similar question and has a good link to a caching tutorial that should answer most of your questions (e.g., http://www.mnot.net...
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How do I set a variable to the output of a command in Bash?

..._connector.sh tty /dev/pts/20 ps --tty pts/20 fw PID TTY STAT TIME COMMAND 29019 pts/20 Ss 0:00 bash 30745 pts/20 R+ 0:00 \_ ps --tty pts/20 fw newConnector /usr/bin/bc "-l" '3*4' 12 ps --tty pts/20 fw PID TTY STAT TIME COMMAND 29019 pts/20 Ss 0:00 ...
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registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later

...e __IPHONE_OS_VERSION_MAX_ALLOWED to check for this because it's a compile-time check. – Rob Keniger Sep 12 '14 at 10:13 5 ...
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How to merge images in command line? [closed]

... This works, but for huge files takes a lot of time. IS there way to fast compositing? – Vlad Tsepelev May 19 '17 at 11:56 ...
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What is 'Pattern Matching' in functional languages?

...); } (Almost always, ML languages implement pattern matching without run-time type-tests or casts, so the C# code is somewhat deceptive. Let's brush implementation details aside with some hand-waving please :) ) Data structure decomposition in a nutshell Ok, let's go back to the peek method: le...
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Java string to date conversion

...e from the javadoc, listing all available format patterns: Letter Date or Time Component Presentation Examples ------ ---------------------- ------------------ ------------------------------------- G Era designator Text AD y Year Yea...