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Drawing a connecting line between two elements [closed]
... it worked perfectly...
first of all, Scalable Vector Graphics (SVG) is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation. SVG images and their behaviors are defined in XML text files. you can create an svg in HTML using <svg> tag. Adobe...
Why doesn't C++ have a garbage collector?
...ge collector in the way? Other things would be affected such as threading. Python has its global interpreter lock mostly because of it's garbage collection (see Cython). Keep it out of C / C++, thanks.
– unixman83
Apr 19 '12 at 7:47
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How do you programmatically set an attribute?
Suppose I have a python object x and a string s , how do I set the attribute s on x ? So:
4 Answers
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Find what filetype is loaded in vim
... the filetype it was because I was having the .ipy extension modifying an ipython script. The above Q&A worked great to see that the ipython extension was not being treated as python (somewhat obvious). Thus I wanted to force set the filetype, and I found this from the ever helfpul vim site. ...
Static/Dynamic vs Strong/Weak
...ing is associated with the value rather than the variable.
For example in Python:
str = "Hello" # it is a string
str = 5 # now it is an integer; perfectly OK
On the other hand, the strong/weak typing in a language is related to implicit type conversions (partly taken from @Dario's answer):...
Structs in Javascript
...ker: 'mary', country: 'us' } ]
1
john
au
You can make it look similar to Python's namedtuple:
const NamedStruct = (name, ...keys) => ((...v) => keys.reduce((o, k, i) => {o[k] = v[i]; return o} , {_name: name}))
const Item = NamedStruct('Item', 'id', 'speaker', 'country')
var myItems = [
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Generate a heatmap in MatPlotLib using a scatter data set
...his output to a PNG/PDF file instead of only displaying in an interactive IPython session? I'm trying to get this as some sort of normal axes instance, where I can add a title, axis labels, etc. and then do the normal savefig() like I would do for any other typical matplotlib plot.
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Split a string by another string in C#
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I come from Python to C#. Python supports string split by another string. And I frequently need to come back to this question for a simple answer to string[] Split(string pattern), which is the most natural usage I could think of yet it ...
Regex: Specify “space or start of string” and “space or end of string”
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for python, replace (?<=\s|^) with (?:(?<=\s)|(?<=^)). Otherwise, you get error: look-behind requires fixed-width pattern
– user2426679
Aug 31 '16 at 20:06
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Correct way to use get_or_create?
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Following @Tobu answer and @mipadi comment, in a more pythonic way, if not interested in the created flag, I would use:
customer.source, _ = Source.objects.get_or_create(name="Website")
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