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Matplotlib discrete colorbar
...rm as normalizer for your scatter. The quirky bit (in my method) is making 0 showup as grey.
For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would be much easier to make 0 grey, but i couldnt get this to work with the scatter or the custom cmap.
As an ...
Convert column classes in data.table
...
105
For a single column:
dtnew <- dt[, Quarter:=as.character(Quarter)]
str(dtnew)
Classes ‘d...
How to get a pixel's x,y coordinate color from an image?
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202
Building on Jeff's answer, your first step would be to create a canvas representation of your P...
Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
... dll's I need for my MVC program.
EDIT >>>
For Visual Studio 2013 and above, step 2) should read:
Open Visual Studio and go to Tools > Options > NuGet Package Manager and on the right hand side there is a "Clear Package Cache button". Click this button and make sure that the che...
Is it worth using Python's re.compile?
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I've had a lot of experience running a compiled regex 1000s of times versus compiling on-the-fly, and have not noticed any perceivable difference. Obviously, this is anecdotal, and certainly not a great argument against compiling, but I've found the difference to be negligible.
...
Grep characters before and after match?
... characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
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micro:bit 实验08 - 摇一摇与倾斜检测 · App Inventor 2 中文网
...索 micro:bit 实验08 - 摇一摇与倾斜检测
实验08：摇一摇与倾斜检测
这个实验做完你会得到什么
一、器材清单
二、界面组件
三、分步...
What does `someObject.new` do in Java?
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120
It's the way to instantiate a non-static inner class from outside the containing class body, as ...
Compare floats in php
...ou need to use a smallest acceptable difference:
if (abs(($a-$b)/$b) < 0.00001) {
echo "same";
}
Something like that.
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How do you create a yes/no boolean field in SQL server?
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The equivalent is a BIT field.
In SQL you use 0 and 1 to set a bit field (just as a yes/no field in Access). In Management Studio it displays as a false/true value (at least in recent versions).
When accessing the database through ASP.NET it will expose the field as a b...