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Possible to make labels appear when hovering over a point in matplotlib?

...cmap = plt.cm.RdYlGn fig,ax = plt.subplots() sc = plt.scatter(x,y,c=c, s=100, cmap=cmap, norm=norm) annot = ax.annotate("", xy=(0,0), xytext=(20,20),textcoords="offset points", bbox=dict(boxstyle="round", fc="w"), arrowprops=dict(arrowstyle="->")) annot.s...
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How do I create an array of strings in C?

... want to change the strings, then you could simply do const char *a[2]; a[0] = "blah"; a[1] = "hmm"; When you do it like this you will allocate an array of two pointers to const char. These pointers will then be set to the addresses of the static strings "blah" and "hmm". If you do want to be ab...
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Weighted random numbers

... 1) calculate the sum of all the weights 2) pick a random number that is 0 or greater and is less than the sum of the weights 3) go through the items one at a time, subtracting their weight from your random number, until you get the item where the random number is less than that item's weight Ps...
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Best way to turn an integer into a month name in c#?

... answered Oct 20 '08 at 16:01 Nick BerardiNick Berardi 51.6k1313 gold badges108108 silver badges134134 bronze badges ...
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How can I generate UUID in C#

...t.FromBase64String("aguidthatIgotonthewire=="); Array.Reverse(rfc4122bytes,0,4); Array.Reverse(rfc4122bytes,4,2); Array.Reverse(rfc4122bytes,6,2); var guid = new Guid(rfc4122bytes); See this answer for the specific .NET implementation details. Edit: Thanks to Jeff Walker, Code Ranger, for pointin...
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Decompressing GZip Stream from HTTPClient Response

... client = new HttpClient(handler)) { // your code } Update June 19, 2020: It's not recommended to use httpclient in a 'using' block as it might cause port exhaustion. private static HttpClient client = null; ContructorMethod() { if(client == null) { HttpClientHandler handler ...
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How to sort with a lambda?

...| edited Feb 25 '11 at 23:06 answered Feb 25 '11 at 22:51 B...
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Prevent row names to be written to file when using write.csv

... answered Sep 20 '11 at 11:26 NPENPE 416k8181 gold badges858858 silver badges949949 bronze badges ...
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How to bind multiple values to a single WPF TextBlock?

...; <TextBlock.Text> <MultiBinding StringFormat="{}{0} + {1}"> <Binding Path="Name" /> <Binding Path="ID" /> </MultiBinding> </TextBlock.Text> </TextBlock> Giving Name a value of Foo and ID a value of 1, yo...
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Add column with number of days between dates in DataFrame pandas

...'] - df['B'] In [14]: df Out[14]: A B C one 2014-01-01 2014-02-28 -58 days two 2014-02-03 2014-03-01 -26 days Note: ensure you're using a new of pandas (e.g. 0.13.1), this may not work in older versions. ...