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Why does Java switch on contiguous ints appear to run faster with added cases?
...witchTest10.java
public class SwitchTest10 {
public static void main(String[] args) {
int n = 0;
switcher(n);
}
public static void switcher(int n) {
switch(n) {
case 0: System.out.println(0);
break;
case 1: System.o...
How to import multiple .csv files at once?
...t;-
list.files(pattern = "*.csv") %>%
map_df(~fread(.))
The stringsAsFactors = FALSE argument keeps the dataframe factor free, (and as marbel points out, is the default setting for fread)
If the typecasting is being cheeky, you can force all the columns to be as characters with the c...
How can I get Express to output nicely formatted HTML?
...s a "pretty" option in Jade itself:
var jade = require("jade");
var jade_string = [
"!!! 5",
"html",
" body",
" #foo I am a foo div!"
].join("\n");
var fn = jade.compile(jade_string, { pretty: true });
console.log( fn() );
...gets you this:
<!DOCTYPE html>
<...
Searching if value exists in a list of objects using Linq
...case insensitive search: cus => cus.FirstName.Equals("John", StringComparison.CurrentCultureIgnoreCase)
– jmservera
Jul 1 '09 at 20:40
1
...
What is the difference between string primitives and String objects in JavaScript?
...ain type categories, primivites and objects.
var s = 'test';
var ss = new String('test');
The single quote/double quote patterns are identical in terms of functionality. That aside, the behaviour you are trying to name is called auto-boxing. So what actually happens is that a primitive is convert...
How to count certain elements in array?
...gt; 1}
> counts.remove('a')
Uncaught tried to remove element a of type string from Multiset, but does not exist in Multiset (count is 0 and cannot go negative)
sidenote: Though, if you still wanted the functional-programming way (or a throwaway one-liner without overriding Array.prototype), yo...
MongoDB SELECT COUNT GROUP BY
...
I need some extra operation based on the result of aggregate function. Finally I've found some solution for aggregate function and the operation based on the result in MongoDB. I've a collection Request with field request, source, status...
@synthesize vs @dynamic, what are the differences?
...ace Book : NSObject
{
NSMutableDictionary *data;
}
@property (retain) NSString *title;
@property (retain) NSString *author;
@end
@implementation Book
@dynamic title, author;
- (id)init
{
if ((self = [super init])) {
data = [[NSMutableDictionary alloc] init];
[data setObject:...
Dump a NumPy array into a csv file
...d works well for numerical data, but it throws an error for numpy.array of strings. Could you prescribe a method to save as csv for an numpy.array object containing strings?
– Ébe Isaac
Mar 25 '16 at 14:31
...
File to byte[] in Java
...
Thanks :) I also needed this one: String text = new String(Files.readAllBytes(new File("/path/to/file").toPath())); which is originally from stackoverflow.com/a/26888713/1257959
– cgl
Jan 8 '16 at 20:25
...