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What does “dereferencing” a pointer mean?
...hat can be written to, then you can do things like this:
int x = 2;
int* p_x = &x; // Put the address of the x variable into the pointer p_x
*p_x = 4; // Change the memory at the address in p_x to be 4
assert(x == 4); // Check x is now 4
Above, you must have known at compile time that ...
How do I convert seconds to hours, minutes and seconds?
...this: stackoverflow.com/questions/7999935/…
– eric_kernfeld
Oct 10 '18 at 15:40
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“No such file or directory” error when executing a binary
I was installing a binary Linux application on Ubuntu 9.10 x86_64. The app shipped with an old version of gzip (1.2.4), that was compiled for a much older kernel:
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Read only file system on Android
... Doesn't work for me: Balazss-MBP:tools varh1i$ adb shell generic_x86_64:/ # mount -o rw,remount /system '/dev/block/vda' is read-only
– Balazs Varhegyi
Feb 8 '17 at 13:58
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GitHub pages are not updating
...
you can tell jekyll to show "future" posts by adding future: true to your _config.yml
and/or add timezone: TIMEZONE to specify your timezone.
See https://jekyllrb.com/docs/configuration/ for more info.
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Why doesn't os.path.join() work in this case?
... some kind of a reference point like
os.environ['HOME'] or os.path.dirname(__file__).
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What is the difference between range and xrange functions in Python 2.X?
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xrange(x).__iter__() is a generator.
– augustomen
Aug 13 '13 at 14:28
36
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Python strftime - date without leading 0?
...omment until now. It turns out that datetime specifies a very interesting __format__ hook that allows you to write things like that.
– mgilson
Dec 4 '14 at 0:26
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Generating a PNG with matplotlib when DISPLAY is undefined
...'/matplotlibrc (as an example, seehttp://matplotlib.org/faq/troubleshooting_faq.html#locating-matplotlib-config-dir). See also matplotlib.org/users/customizing.html, which has an example config file at the bottom of the page. Find "agg" on that page and you'll see the config option you need.
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Best way to parse command-line parameters? [closed]
...=>
c.copy(libName = k, maxCount = v) } validate { x =>
if (x._2 > 0) success
else failure("Value <max> must be >0")
} keyValueName("<libname>", "<max>") text("maximum count for <libname>")
opt[Unit]("verbose") action { (_, c) =>
c.copy(ver...