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Setting individual axis limits with facet_wrap and scales = “free” in ggplot2
...ing different training parameters. I train the model with 85% of the data, test on the remaining 15%, and repeat this 5 times, collecting actual/predicted values each time. After calculating the residuals, my data.frame looks like this:
...
What's so bad about in-line CSS?
... elements. Try that out! It works fine in all browsers, so is great for testing, yet allows you to gracefully move such css out to your global css files whenever you want/need to! ( *just be aware that the selectors will only have page-level specificity, instead of site-level specificity, so be w...
MenuItemCompat.getActionView always returns null
...enuItemCompat.getActionView always return null in every Android version I tested (4.2.2, 2.3.4 ....)
11 Answers
...
HTML5 canvas ctx.fillText won't do line breaks?
... for (var n = 0; n < words.length; n++) {
var testLine = line + words[n] + " ";
var metrics = context.measureText(testLine);
var testWidth = metrics.width;
if (testWidth > maxWidth) {
context.fillTex...
I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it
...ssionStateModule class and implement abstract methods.
The code is not tested on production yet. Also need to improve error handling. Exceptions are not caught in current implementation.
Some lock-free session providers using Redis:
https://github.com/angieslist/AL-Redis (Suggested by gregma...
Gradients on UIView and UILabels On iPhone [duplicate]
...
Note: The results below apply to older versions of iOS, but when testing on iOS 13 the stepping doesn't occur. I don't know for which version of iOS the stepping was removed.
When using CAGradientLayer, as opposed to CGGradient, the gradient is not smooth, but has noticeable stepping to...
Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
... our .NET assemblies, but suddenly the final product wasn't working on our test systems. I didn't even think I had .NET 4.5, but apparently something installed it about a month ago.
I uninstalled 4.5 and reinstalled 4.0, and now everything is working again. Not too impressed with having blown an ...
What's the false operator in C# good for?
...
AFAIK, it would be used in a test for false, such as when the && operator comes into play. Remember, && short-circuits, so in the expression
if ( mFalse && mTrue)
{
// ... something
}
mFalse.false() is called, and upon retu...
Are there any Java method ordering conventions? [closed]
...onSkeet in a few cases, where ordering conventions are no longer relevant, test classes for example. Not to write bad code is better advise than how to arrange bad code.
– Ben
May 4 '18 at 10:44
...
FirstOrDefault: Default value other than null
...p6 = list.FirstOrDefault()?.Bar;
}
For C# 6.0 or later:
Use ?. or ?[ to test if is null before perform a member access Null-conditional Operators documentation
Example:
var barCSharp6 = list.FirstOrDefault()?.Bar;
C# older version:
Use DefaultIfEmpty() to retrieve a default value if the sequen...