我正在为我的第一个iPhone应用程序寻求帮助.到目前为止,核心数据的整个概念非常庞大.

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
// Return the number of sections.
//return 1;
return [self.fetchedCoursesArray count];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
// Return the number of rows in the section.
return [self.fetchedRoundsArray count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *MyIdentifier = @"RoundsCell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:MyIdentifier];
}
Rounds * rounds = [self.fetchedRoundsArray objectAtIndex:indexPath.row];
cell.textLabel.text = [NSString stringWithFormat:@"Date: %@",rounds.date];
//cell.detailTextLabel.text = [NSString …Run Code Online (Sandbox Code Playgroud) 我无法理解它应该如何工作.我在while循环之外定义了两个哈希.目标是能够检测shell类型,并将适当的哈希值分配给新的$ shell变量.这是我目前正在尝试的代码..
#!/usr/bin/perl
use strict;
use warnings;
use POSIX;
use DateTime;
use Term::ANSIColor qw(:constants);
local $Term::ANSIColor::AUTORESET = 1;
my $dt = DateTime->now; # Stores current date and time as datetime object
my %multicity = (
url => "example.com",
ftpuser => "user",
ftppass => "pass",
remote_dir => "/httpdocs/",
dbname => "database"
);
my %singlecity = (
url => "example2.com",
ftpuser => "user",
ftppass => "pass",
remote_dir => "/httpdocs/",
dbname => "database"
);
open (MYFILE, 'sites.txt');
LINE: while (<MYFILE>) {
next LINE …Run Code Online (Sandbox Code Playgroud) 这里的元素之间出现了奇怪的差距.我宁愿让他们齐心协力.知道如何解决这个问题吗?