小编Mad*_*s K的帖子

我在标记为"有缺陷的行"的行上收到错误"将'int'隐式转换为'id'不允许使用ARC".我想这与我正在检查数组中的整数有关,它包含对象而不是整数.

#import "RandomGenerator.h"

@implementation RandomGenerator

NSMutableArray *drawnNumbers;

-(int) randomNumber:(int)upperNumber {
    return arc4random_uniform(upperNumber);
}

-(NSMutableArray*) lotteryNumbers :(int)withMaximumDrawnNumbers :(int)andHighestNumber {
    for (int i = 1; i <= withMaximumDrawnNumbers; i++)
    {
        int drawnNumber = [self randomNumber:andHighestNumber];
        if ([drawnNumbers containsObject:drawnNumber]) {  //faulty line
            //foo
        }
    }
    return drawnNumbers;
}

@end

我遇到了一个以奇怪的方式构建的JS文件:

var modal = (function(){
  var method = {};

  // Center the modal in the viewport
  method.center = function () {};

  // Open the modal
  method.open = function (settings) {};

  // Close the modal
  method.close = function () {};

  return method;
}());

我理解将函数包装到"模态"对象中的部分,但为什么要绑定所有函数method然后在结尾处返回它？

我有一个SQL查询,我做了一些连接,但是当我在PHP中var_dump结果时,我得到一个数组,有很多重复.有没有办法将结果作为多维数组返回,如:

array( array("projectname", "projectdescription", "projectthumb" , "activestate"),
           array("img1.jpg", "img2.jpg", "img3.jpg"),
           array("tech1", "tech2", "tech3") 
         ); 

目前我得到以下结果:http://pastebin.com/ZF7yiafS

SQL查询:

SELECT    p.name,
                              p.description,
                              p.img_thumb,
                              p.active,
                              t.name,
                              i.filename
                    FROM      projects as p
                    JOIN      projects_x_techs as pt
                    ON        p.id = pt.project_id
                    JOIN      techs as t
                    ON        pt.techs_id = t.id
                    JOIN      images as i
                    ON        p.id = i.projects_id
                    WHERE p.slug =  :slug

ER图

我正在尝试在 C# 中创建一个手动的 setter/getter 方法，但我从“set”行收到以下错误：错误：最佳重载方法匹配 'System.Collections.Generic.ListPackage.Add( Package)' 有一些无效的参数

private List<Package> packages = new List<Package>();    

public List<Package> Packages
{
    set { packages.Add(value); }
    get { return packages; }
}

这肯定是其中一个错误,你一直盯着代码,这么久,你找不到错误.

我有这个代码块,我循环遍历NSMutableArray,包含多个NSMutableArrays:

//  FoodViewController.m
#import "FoodViewController.h"

@interface FoodViewController ()
@property (strong,nonatomic) NSMutableArray *breakfast;

@end

@implementation FoodViewController

- (void)viewDidLoad
{
    [super viewDidLoad];

    NSArray *meals = [[dbManagerClass getSharedInstance]findCurrentDay];

    for (NSMutableArray *row in meals) {
        [self.breakfast addObject:row];
    }

    NSLog(@"%@",self.breakfast);
}

@end

我可以看到ii在我的*餐中有一些东西,因为我从NSLog获得以下信息:

(
    (
    2,
    Dinner,
    Pizza,
    574,
    "20.03.2014",
    empty
),
    (
    3,
    Breakfast,
    "Buttered toast",
    394,
    "20.03.2014",
    empty
)

但不知怎的,它没有被添加到早餐-NSMutableArray中,因为NSLog返回"null".

我有一个宽度为75%的图像宽度和一个宽度为25%的p盒,但它们不适合它们的父容器!

http://jsfiddle.net/bmBnF/4/