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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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Why is my program slow when looping over exactly 8192 elements?
...in.
Now we can see the problem is the same in this question: Why does the order of the loops affect performance when iterating over a 2D array?
You are iterating the matrix column-wise instead of row-wise.
To solve this problem, you should interchange the two loops.
for(j=1;j<SIZE-1;j++) {
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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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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
... object you want to delete needs the PK set and the RowVersion Property in order to update it successfully! I was setting the rowVersion (timestamp) property, after I have attached the object to the respective DbSet, that's why it didn't work. Good job!
– Legends
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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
2
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How to profile a bash shell script slow startup?
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PS4='+ $EPOCHREALTIME\011 '
As pointed out by @pawamoy, you can use BASH_XTRACEFD to send the output of the trace to a separate file descriptor if you have Bash 4.1 or later. From this answer:
#!/bin/bash
exec 5> command.txt
BASH_XTRACEFD="5"
echo -n "hello "
set -x
echo -n world
set +x
e...
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...