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Possible to make labels appear when hovering over a point in matplotlib?
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It seems none of the other answers here actually answer the question. So here is a code that uses a scatter and shows an annotation upon hovering over the scatter points.
import matplotlib.pyplot as plt
import numpy as np; np.random.seed(1)
x = np.random.rand(15)
y =...
String.IsNullOrWhiteSpace in LINQ Expression
...INQ provider to deliver an optimized query. During this transformation not all C# statements are supported, as it either is not possible to translate them to a back-end specific query (e.g. SQL) or because the implementer did not foresee the need for the statement.
In contrast IEnumerable<T>...
What is the maximum possible length of a .NET string?
...st you could do is 1,073,741,823, but you're not likely to ever be able to allocate that on a 32-bit machine.
This is one of those situations where "If you have to ask, you're probably doing something wrong."
share
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How do you push a Git tag to a branch using a refspec?
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How does this actually solve the original poster's problem about overwriting a branch with a tag by force-pushing it? This just pushes all of your tags to a remote, it won't overwrite any branches.
– user456814
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How can I get the sha1 hash of a string in node.js?
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Good idea. Note, however, that all objects (except arrays and null) will have the same sha1sum value since Object.toString() returns [object Object] by default. So sha1sum({}) === sha1sum({"foo":"bar"}) === sha1sum({"a":1}), etc.
– m...
Is the order of elements in a JSON list preserved?
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Practically speaking, if the keys were of type NaN, the browser will not change the order.
The following script will output "One", "Two", "Three":
var foo={"3":"Three", "1":"One", "2":"Two"};
for(bar in foo) {
alert(foo[bar]);...
What makes a SQL statement sargable?
...L optimizer can't use an index on myDate, even if one exists. It will literally have to evaluate this function for every row of the table. Much better to use:
WHERE myDate >= '01-01-2008' AND myDate < '01-01-2009'
Some other examples:
Bad: Select ... WHERE isNull(FullName,'Ed Jones') = 'Ed...
Git: which is the default configured remote for branch?
...ory for pushing and pulling using git-branch’s track option. You’d normally do this by specifying the --track option when creating your local master branch, but as it already exists we’ll just update the config manually like so:
Edit your .git/config
[branch "master"]
remote = origin
mer...
Segmentation fault on large array sizes
...The array is too big to fit in your program's stack address space.
If you allocate the array on the heap you should be fine, assuming your machine has enough memory.
int* array = new int[1000000];
But remember that this will require you to delete[] the array. A better solution would be to use st...
MSTest copy file to test run folder
...extra files being in a preserved folder structure because Deployment items all seem to be copied directly (flat) into the temporary run folder (out) if you use the Deployment, Add Folder option in the TestSettings (answers above suggest you can keep the structure if you add each item as its own Depl...