大约有 35,417 项符合查询结果（耗时：0.0467秒） [XML]
Add UIPickerView & a Button in Action sheet - How?
...ableViewController *)[[navigationController viewControllers] objectAtIndex:0];
tableViewController.tableData = self.statesArray;
tableViewController.navigationItem.title = @"States";
tableViewController.delegate = self;
[self presentViewController:navigationController animated:YES completion:nil];
...
Datatable vs Dataset
...
|
edited Apr 30 '15 at 10:31
Hossein Narimani Rad
26.3k1414 gold badges7575 silver badges106106 bronze badges
...
targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...m I have this...
- (void)awakeFromNib
{
self.itemSize = CGSizeMake(75.0, 75.0);
self.minimumInteritemSpacing = 10.0;
self.minimumLineSpacing = 10.0;
self.scrollDirection = UICollectionViewScrollDirectionHorizontal;
self.sectionInset = UIEdgeInsetsMake(10.0, 10.0, 10.0, 10.0);
}
...
Selecting the first “n” items with jQuery
...d to select just the first "n" items from the page, for example the first 20 links instead of selecting all of them with the usual
...
PyLint, PyChecker or PyFlakes? [closed]
...atis
import sys, time
stdout = sys.stdout
BAILOUT = 16
MAX_ITERATIONS = 1000
class Iterator(object) :
def __init__(self):
print 'Rendering...'
for y in xrange(-39, 39):
stdout.write('\n')
for x in xrange(-39, 39):
if self.mandelbrot(x...
How do you display JavaScript datetime in 12 hour AM/PM format?
...' : 'am';
hours = hours % 12;
hours = hours ? hours : 12; // the hour '0' should be '12'
minutes = minutes < 10 ? '0'+minutes : minutes;
var strTime = hours + ':' + minutes + ' ' + ampm;
return strTime;
}
console.log(formatAMPM(new Date));
...
How to merge 2 JSON objects from 2 files using jq?
... given two objects, it will merge them recursively. For example,
jq -s '.[0] * .[1]' file1 file2
Important: Note the -s (--slurp) flag, which puts files in the same array.
Would get you:
{
"value1": 200,
"timestamp": 1382461861,
"value": {
"aaa": {
"value1": "v1",
"value2"...
Breaking loop when “warnings()” appear in R
... 1:3) {
cat(i, "\n")
as.numeric(c("1", "NA"))
}}
# warn = 0 (default) -- warnings as warnings!
j()
# 1
# 2
# 3
# Warning messages:
# 1: NAs introduced by coercion
# 2: NAs introduced by coercion
# 3: NAs introduced by coercion
# warn = 2 -- warnings as errors
options(warn=2)
...
How to prevent page scrolling when scrolling a DIV element?
...'.scrollable' ).on( 'mousewheel DOMMouseScroll', function ( e ) {
var e0 = e.originalEvent,
delta = e0.wheelDelta || -e0.detail;
this.scrollTop += ( delta < 0 ? 1 : -1 ) * 30;
e.preventDefault();
});
Live demo: https://jsbin.com/howojuq/edit?js,output
So you manually set t...
Data structure for loaded dice?
...ree new n-element arrays, qk, ak, and bk. Each qk is a probability between 0 and 1, and each ak and bk is an integer between 1 and n.
We generate random numbers between 1 and n by generating two random numbers, r and s, between 0 and 1. Let i = floor(r*N)+1. If qi < s then return ai else return...