大约有 47,000 项符合查询结果（耗时：0.0354秒） [XML]
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...,6)
If you're not used to precision and scale parameters, here's a format string visual:
###.###### and ##.######
share
|
improve this answer
|
follow
|
...
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 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>
<...
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...
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...
@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:...
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
...
How do I filter query objects by date range in Django?
...n think of is as suggested in my original response, which is to supply the extra 'padding' for comparison against a datetime model field when you're filtering against a date instance. This can be done via the datetime.combine method as above, but I've found that it can be a bit simpler to merely ac...