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String difference in Bash
...e is some difference between the two strings?
– alpha_989
Aug 10 '17 at 15:28
@alpha_989 , here's your answer: $ diff ...
Is there a way to check if a file is in use?
...nderstand your hesitation about using exceptions, but you can't avoid them all of the time:
protected virtual bool IsFileLocked(FileInfo file)
{
try
{
using(FileStream stream = file.Open(FileMode.Open, FileAccess.Read, FileShare.None))
{
stream.Close();
}...
How to echo with different colors in the Windows command line
... command console doesn't support output coloring by default. You could install either Cmder, ConEmu, ANSICON or Mintty (used by default in GitBash and Cygwin) to add coloring support to your Windows command console.
Windows 10 - Command Line Colors
Starting from Windows 10 the Windows console supp...
Adding minutes to date time in PHP
...
$minutes_to_add = 5;
$time = new DateTime('2011-11-17 05:05');
$time->add(new DateInterval('PT' . $minutes_to_add . 'M'));
$stamp = $time->format('Y-m-d H:i');
The ISO 8601 standard for duration is a string in the form of P...
Same-named attributes in attrs.xml for custom view
...tyleable> com_app_view_widget, unable to find attribute customAttr For all the view I try to declare for. Any ideas?
– Dapp
Jun 9 '14 at 14:54
...
How do you sign a Certificate Signing Request with your Certification Authority?
...############################################################
[ ca ]
default_ca = CA_default # The default ca section
[ CA_default ]
default_days = 1000 # How long to certify for
default_crl_days = 30 # How long before next CRL
default_md = sha256 # Use pub...
Differences between std::make_unique and std::unique_ptr with new
... unique_ptr<U>(new U())); // unsafe*
The addition of make_unique finally means we can tell people to 'never' use new rather than the previous rule to "'never' use new except when you make a unique_ptr".
There's also a third reason:
make_unique does not require redundant type usage. unique...
Replace comma with newline in sed on MacOS?
...line, e.g.
echo "a,b" | sed -e $'s/,/\\\n/g'
Note this will not work on all shells, but will work on the most common ones.
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A top-like utility for monitoring CUDA activity on a GPU
...o worked for me on redhat 8 when I was getting some error due to importing _curses in python.
– Bobak Hashemi
Aug 6 '19 at 22:32
...
Convert a timedelta to days, hours and minutes
...l indeed have to perform "nauseatingly simple mathematics", e.g.:
def days_hours_minutes(td):
return td.days, td.seconds//3600, (td.seconds//60)%60
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