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How to have the cp command create any necessary folders for copying a file to a destination [duplica
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283
To expand upon Christian's answer, the only reliable way to do this would be to combine mkdir ...
What is SYSNAME data type in SQL Server?
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sysname is a built in datatype limited to 128 Unicode characters that, IIRC, is used primarily to store object names when creating scripts. Its value cannot be NULL
It is basically the same as using nvarchar(128) NOT NULL
EDIT
As mentioned by @Jim in the comments, ...
Simple way to transpose columns and rows in SQL?
...])
VALUES
('Red', 1, 5, 1, 3),
('Green', 8, 4, 3, 5),
('Blue', 2, 2, 9, 1);
Union All, Aggregate and CASE Version:
select name,
sum(case when color = 'Red' then value else 0 end) Red,
sum(case when color = 'Green' then value else 0 end) Green,
sum(case when color = 'Blue' then v...
Convert pem key to ssh-rsa format
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132
No need to compile stuff. You can do the same with ssh-keygen:
ssh-keygen -f pub1key.pub -i
w...
How to install lxml on Ubuntu
...t install those development packages using apt-get.
apt-get install libxml2-dev libxslt1-dev python-dev
If you're happy with a possibly older version of lxml altogether though, you could try
apt-get install python-lxml
and be done with it. :)
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How to create circle with Bézier curves?
...e that the middle of the curve lies on the circle itself, is (4/3)*tan(pi/(2n)).
So for 4 points it is (4/3)*tan(pi/8) = 4*(sqrt(2)-1)/3 = 0.552284749831.
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How to get URL of current page in PHP [duplicate]
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283
$_SERVER['REQUEST_URI']
For more details on what info is available in the $_SERVER array, se...
Understanding Canvas and Surface concepts
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225
Here are some definitions:
A Surface is an object holding pixels that are being composited t...
Bulk package updates using Conda
...all will update them (note that the latter will not update you from Python 2 to Python 3, but the former will show Python as being outdated if you do use Python 2).
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Wait for page load in Selenium
How do you make Selenium 2.0 wait for the page to load?
47 Answers
47
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