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How do I convert a string to a double in Python?
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>>> x = "2342.34"
>>> float(x)
2342.3400000000001
There you go. Use float (which behaves like and has the same precision as a C,C++, or Java double).
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ItemsControl with horizontal orientation
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To do this in a resource file, you need to set the x:Key key
– Tore Aurstad
Mar 27 '19 at 11:50
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show 1 more commen...
Databinding an enum property to a ComboBox in WPF
As an example take the following code:
13 Answers
13
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Python 3 ImportError: No module named 'ConfigParser'
...lternatives? I tried PyMySQL3-0.5 but its very buggy, it crashes at first execute call.
– if __name__ is None
Dec 30 '12 at 14:46
15
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is_file or file_exists in PHP
...is_file() will return false if the given path points to a directory. file_exists() will return true if the given path points to a valid file or directory. So it would depend entirely on your needs. If you want to know specifically if it's a file or not, use is_file(). Otherwise, use file_exists().
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Why does ReSharper tell me “implicitly captured closure”?
...y of the lambdas inside this method stay alive.
Take a look at the short example
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
int i = 0;
Random g = new Random();
this.button1.Click += (sender, args) => this.label1.Text = i++.ToString();
this.button2.Click +...
Disable Interpolation when Scaling a
NOTE : This has to do with how existing canvas elements are rendered when scaled up , not to do with how lines or graphics are rendered onto a canvas surface . In other words, this has everything to do with interpolation of scaled elements , and nothing to do with antialiasing of graphics b...
How to print instances of a class using print()?
...n't know about it, but in retrospect it makes perfect sense given Python 2.x's broken Unicode handling.
– Chris Lutz
Oct 8 '09 at 5:36
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Cluster analysis in R: determine the optimal number of clusters
...he Q are... unclear to me):
n = 100
g = 6
set.seed(g)
d <- data.frame(x = unlist(lapply(1:g, function(i) rnorm(n/g, runif(1)*i^2))),
y = unlist(lapply(1:g, function(i) rnorm(n/g, runif(1)*i^2))))
plot(d)
One. Look for a bend or elbow in the sum of squared error (SSE) scree ...
Why does modern Perl avoid UTF-8 by default?
...stdin, stdout, and stderr to UTF‑8. Both these are global effects, not lexical ones.
At the top of your source file (program, module, library, dohickey), prominently assert that you are running perl version 5.12 or better via:
use v5.12; # minimal for unicode string feature
use v5.14; # optimal...