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How to reshape data from long to wide format
...ther()/spread() being the terms for melt/cast.
Edit: Now, in 2019, tidyr v 1.0 has launched and set spread and gather on a deprecation path, preferring instead pivot_wider and pivot_longer, which you can find described in this answer. Read on if you want a brief glimpse into the brief life of spread...
How to increase font size in a plot in R?
...x.axis=0.5)
Before the plot command. Just remember to put:
par(cex.axis=1.0)
After the plot to make sure that the fonts go back to the default size.
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How to get Bitmap from an Uri?
...o = (originalSize > THUMBNAIL_SIZE) ? (originalSize / THUMBNAIL_SIZE) : 1.0;
BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();
bitmapOptions.inSampleSize = getPowerOfTwoForSampleRatio(ratio);
bitmapOptions.inDither = true; //optional
bitmapOptions.inPreferredConfig=Bitma...
Changing navigation bar color in Swift
...lor = UIColor(red: 46.0/255.0, green: 14.0/255.0, blue: 74.0/255.0, alpha: 1.0)
UINavigationBar.appearance().tintColor = UIColor.whiteColor()
UINavigationBar.appearance().titleTextAttributes = [NSForegroundColorAttributeName : UIColor.whiteColor()]
Just paste this line in didFinishLaunchingWithOpt...
Web Application Problems (web.config errors) HTTP 500.19 with IIS7.5 and ASP.NET v2
...AJAX/documentation/live/ConfiguringASPNETAJAX.aspx
Then, install the AJAX 1.0 extensions on your production server, from this link:
http://www.asp.net/ajax/downloads/archive/
Update: Microsoft seems to have removed the above page :(
That's it!
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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
...
Or more fun: "int x=33333333; x+=1.0f;".
– supercat
Apr 20 '17 at 19:31
5
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Hide keyboard when scroll UITableView
...iew.endEditing(true)
}
}
}
StoryBoard
<?xml version="1.0" encoding="UTF-8"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11762" systemVersion="16D32" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAuto...
Compare floats in php
... PHP_FLOAT_EPSILON Smallest representable positive number x, so that x + 1.0 != 1.0. Available as of PHP 7.2.0.
– Code4R7
Sep 28 '17 at 20:24
3
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How do I decompile a .NET EXE into readable C# source code?
...April 15, 2012, ILSpy 2.0 was released. New features compared with version 1.0:
Assembly Lists
Support for decompiling Expression trees
Support for lifted operatores on nullables
Decompile to Visual Basic
Search for multiple strings separated by space (searching for "Assembly manager" in ILSpy.exe...
How to programmatically set style attribute in a view
... called res/drawable/my_button.xml directory like this:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:drawable="@drawable/btn_pressed" />
<item
android:stat...