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Rotating and spacing axis labels in ggplot2
I have a plot where the x-axis is a factor whose labels are long. While probably not an ideal visualization, for now I'd like to simply rotate these labels to be vertical. I've figured this part out with the code below, but as you can see, the labels aren't totally visible.
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Create an empty list in python with certain size
I want to create an empty list (or whatever is the best way) that can hold 10 elements.
15 Answers
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How to convert List to int[] in Java? [duplicate]
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Unfortunately, I don't believe there really is a better way of doing this due to the nature of Java's handling of primitive types, boxing, arrays and generics. In particular:
List<T>.toArray won't work because there's no...
Why are interface variables static and final by default?
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This explanation for the static modifier is completely spurious. A class's public instance variables are part of its interface and there's no reason why they shouldn't be abstracted in a Java interface, just like instance methods. It doesn't m...
Convert any object to a byte[]
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Use the BinaryFormatter:
byte[] ObjectToByteArray(object obj)
{
if(obj == null)
return null;
BinaryFormatter bf = new BinaryFormatter();
using (MemoryStream ms = new MemoryStream())
{
bf.Serialize(ms, obj);
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git rebase: “error: cannot stat 'file': Permission denied”
... one. I decided to use git rebase to squash the two commits together before pushing them. (I've never done this before.)
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How to avoid annoying error “declared and not used”
... it is a bit annoying that when compiling, I should not leave any variable or package unused.
8 Answers
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Tools for making latex tables in R [closed]
...l give an overview of the most commonly used packages and blogs with code for producing latex tables from less straight-forward objects. Please feel free to add any I missed, and/or give tips, hints and little tricks on how to produce nicely formatted latex tables with R.
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Detect when an image fails to load in Javascript
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You could try the following code. I can't vouch for browser compatibility though, so you'll have to test that.
function testImage(URL) {
var tester=new Image();
tester.onload=imageFound;
tester.onerror=imageNotFound;
tester.src=URL;
}
function imageFound()...
Simplest way to wait some asynchronous tasks complete, in Javascript?
...this
var async = require('async');
var calls = [];
['aaa','bbb','ccc'].forEach(function(name){
calls.push(function(callback) {
conn.collection(name).drop(function(err) {
if (err)
return callback(err);
console.log('dropped');
callback...