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Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...ns (for most things):
$ perl -MO=Deparse -p -e 1
LINE: while (defined($_ = <ARGV>)) {
'???';
}
continue {
die "-p destination: $!\n" unless print $_;
}
-e syntax OK
1 is represented by '???', because it is optimized away.
$ perl -MO=Deparse -p -i -e 1
BEGIN { $^I = ""; }
LINE...
What is C# analog of C++ std::pair?
...ect
Here is my pair class
public class Pair<X, Y>
{
private X _x;
private Y _y;
public Pair(X first, Y second)
{
_x = first;
_y = second;
}
public X first { get { return _x; } }
public Y second { get { return _y; } }
public override bool E...
Get file name from URL
...
If you let String url = new URL(original_url).getPath() and add a special case for filenames that don't contain a . then this works fine.
– Jason C
May 6 '15 at 20:28
...
Draw a perfect circle from user's touch
...emove that limitation. Please note you'll need to use a circular buffer in order to detect a full shape:
Clockwise and counterclockwise
In order to support both modes you will need to use the circular buffer from the previous enhancement and search in both directions:
Draw an ellipse
You ha...
Configuration System Failed to Initialize
...n a class library project, then I copied (overwriting) the config file (in order to bring the endpoints configuration) to my windows app and I started to have the same problem. I had inadvertently removed configSections.
it worked for me, hope it helps
...
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...e egg under Users/$USER/.python-eggs
Step 4:
Originally required editing _mysql.c, but is now NO LONGER NECESSARY. MySQLdb community seem to have fixed this bug now.
Step 5:
Create a symbolic link under lib to point to a sub-directory called mysql. This is where it looks for during compilation.
...
Run an OLS regression with Pandas Data Frame
... I accidentally typed formulas instead and got weird error: TypeError: from_formula() takes at least 3 arguments (2 given)
– denfromufa
Nov 14 '16 at 18:19
...
Maximum single-sell profit
... element and the new
# minimum value is. Note that it doesn't matter what order we do this in; if
# the (k + 1)st element is the smallest element so far, there's no possible way
# that we could increase our profit by selling at that point.
#
# To finish up this algorithm, we should note that given ...
What is the meaning and difference between subject, user and principal?
... (SO disallows linebreaks in comments): John (human) SUBJECT > username_1 PRINCIPAL > password_1 USER John (human) SUBJECT > username_1 PRINCIPAL > password_2 USER John (human) SUBJECT > username_1 PRINCIPAL > smartcard_1 USER John (human) SUBJECT > username_1 PRINCIPAL > ce...
Django : How can I see a list of urlpatterns?
...to install django-extensions, add it to your settings like this:
INSTALLED_APPS = (
...
'django_extensions',
...
)
And then, run this command in your terminal
./manage.py show_urls
For more information you can check the documentation.
...