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How do you detect where two line segments intersect? [closed]
... For those interested, here is a simple C# implementation, taking PointF start and end coordinates for lines, that seems to be working: ideone.com/PnPJgb
– Matt
Dec 17 '12 at 0:42
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Uncaught ReferenceError: jQuery is not defined [duplicate]
...n the certificate for the site expires. Today I got it and all of my sites started failing on refresh because of it. On your console you'll only see: ReferenceError: jQuery is not defined The problem is you won't find the cause until you look at the URL and see this: code.jquery.com uses an in...
.NET / C# - Convert char[] to string
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Use the string constructor which accepts chararray as argument, start position and length of array. Syntax is given below:
string charToString = new string(CharArray, 0, CharArray.Count());
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Skip the headers when editing a csv file using Python
...ng wrapping to subsequent usage, in the case where the islice would have a start but no end, so the overhead isn't gaining you anything.
– ShadowRanger
Jan 5 '16 at 14:37
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How can I get a collection of keys in a JavaScript dictionary? [duplicate]
...It works fine for modern browsers (however, Internet Explorer supports it starting from version 9 only).
To add compatible support you can copy the code snippet provided in MDN.
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How to install the Raspberry Pi cross compiler on my Linux host machine?
... https://stackoverflow.com/a/58559140/869402
Pre-requirements
Before you start you need to make sure the following is installed:
apt-get install git rsync cmake ia32-libs
Let's cross compile a Pie!
Start with making a folder in your home directory called raspberrypi.
Go in to this folder and ...
Is there a command to list SVN conflicts?
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-P tells grep to use perl regex, ^ = start of string, (?=) enclose the lookahead pattern which is .{0,6} any 0 to 6 characters and the letter C, which is the indicator for conflicts
– Pete
Nov 22 '13 at 21:56
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Is there a short cut for going back to the beginning of a file by vi editor?
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Well, you have [[ and ]] to go to the start and end of file. This works in vi.
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Greenlet Vs. Threads
...or i in range(50)]
queue = list(URLS)
for t in threads:
t.start()
for t in threads:
t.join()
assert len(ip_numbers) == len(URLS)
URLS_base = ['www.google.com', 'www.example.com', 'www.python.org',
'www.yahoo.com', 'www.ubc.ca', 'www.wikipedia.org']
for...
Many-to-many relationship with the same model in rails?
...directional, no additional fields
This is the most compact in code.
I'll start out with this basic schema for your posts:
create_table "posts", :force => true do |t|
t.string "name", :null => false
end
For any many-to-many relationship, you need a join table. Here's the schema for that...