<p class="small" style="margin: 16px 4px 8px;">
<b>
<a class="menu-root" href="#pg-jump">Pages</a>
:
<b>1</b>
,
<a class="pg" href="viewforum.php?f=941&start=50">2</a>
,
<a class="pg" href="viewforum.php?f=941&start=100">3</a>
...
<a class="pg" href="viewforum.php?f=941&start=8400">169</a>
,
<a class="pg" href="viewforum.php?f=941&start=8450">170</a>
,
<a class="pg" href="viewforum.php?f=941&start=8500">171</a>
<a class="pg" href="viewforum.php?f=941&start=50">Next.</a>
</b>
</p>
Run Code Online (Sandbox Code Playgroud)
我想要捕获a包含171.的元素.所以基本上是Next的前一个元素.
//a[.='Next.']//Not sure how to use preceding here
Run Code Online (Sandbox Code Playgroud) [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject]
Run Code Online (Sandbox Code Playgroud)
我曾经知道向对象发送消息就是调用方法.但是,我无法识别是什么NSSearchPathForDirectoriesInDomains.它是C风格的功能吗?如果是,那么为什么在所有message样式调用中我们都有功能呢?
du --max-depth=1 -h /media/downloads/ | sort -g -r
Run Code Online (Sandbox Code Playgroud)
这不是关于G,M,K后缀的那种排序......有没有办法解决它作为单行bash命令?
在我的heightForRowAtIndexPath方法中,我想只为某些行自定义高度.对于其他人,我希望框架要小心.我该怎么办?
window.addEventListener('unload', function(e)
{
MyClass.shutdown();
window.removeEventListener('unload', /* how to refer to this function? */);
}, false);
Run Code Online (Sandbox Code Playgroud) 为了能够使用Access 2007 VBA脚本中的Excel对象和常量,我必须做出哪些声明?
Dim wb As Workbook
Run Code Online (Sandbox Code Playgroud)
要么
Set objExcelApp = New Excel.Application
Run Code Online (Sandbox Code Playgroud)
要么
.Borders(xlEdgeBottom)
Run Code Online (Sandbox Code Playgroud)
谢谢
以下代码在iOS 5到6.1中运行良好.我甚至在应用程序中存储了该代码:
-(void)showActivityIndicator
{
if(!mLoadingView) //
{
mLoadingView = [[UIAlertView alloc] initWithTitle:@"" message:@"" delegate:self cancelButtonTitle:nil otherButtonTitles:nil];
mLoadingView.tag = kAlertViewTag;
}
[mLoadingView show];
}
- (void)willPresentAlertView:(UIAlertView *)alertView
{
if (alertView.tag == kAlertViewTag)
{
UIActivityIndicatorView *actInd = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
actInd.frame = CGRectMake(128.0f, 45.0f, 25.0f, 25.0f);
[alertView addSubview:actInd];
[actInd startAnimating];
UILabel *l = [[UILabel alloc]init];
l.text = NSLocalizedString(@"PRODUCT_PURCHASE_INDICATOR_TITLE", @"Please wait...");
l.font = [UIFont fontWithName:@"Helvetica" size:16];
float strWidth = [l.text sizeWithFont:l.font].width;
float frameWidth = alertView.frame.size.width;
l.frame = CGRectMake((frameWidth - strWidth)/2, -25, 210, 100); …Run Code Online (Sandbox Code Playgroud) 对于iOS 6.1或更早版本,购买或恢复后收到的应用内购买交易ID每次都是唯一的,并且原始交易ID永远不会更改,即使在恢复后也是如此.
但是,对于iOS7,事务ID和原始事务ID始终相同!我甚至尝试刷新收据,从设备中删除应用程序并再次将其放回原处.两个字段始终相同.
有谁知道交易ID会在哪些情况下发生变化?我的服务器逻辑依赖于收据本身的唯一交易ID,目前在iOS7的情况下不起作用.
以下是Apple服务器解密的应用收据.如果我在本地解密,结果相同.
{
environment = Sandbox;
receipt = {
"adam_id" = 0;
"application_version" = "1.0";
"bundle_id" = "com.###";
"download_id" = 0;
"in_app" = (
{
"is_trial_period" = false;
"original_purchase_date" = "2014-02-18 14:23:40 Etc/GMT";
"original_purchase_date_ms" = 1392733420000;
"original_purchase_date_pst" = "2014-02-18 06:23:40 America/Los_Angeles";
"original_transaction_id" = 1000000101860870;
"product_id" = "com.###";
"purchase_date" = "2014-02-24 09:12:21 Etc/GMT";
"purchase_date_ms" = 1393233141000;
"purchase_date_pst" = "2014-02-24 01:12:21 America/Los_Angeles";
quantity = 1;
"transaction_id" = 1000000101860870;
}
);
"original_application_version" = "1.0";
"original_purchase_date" = "2013-08-01 07:00:00 Etc/GMT";
"original_purchase_date_ms" …Run Code Online (Sandbox Code Playgroud) volatile char* sevensegment_char_value;
void ss_load_char(volatile char *digits) {
...
int l=strlen(digits);
...
}
ss_load_char(sevensegment_char_value);
Run Code Online (Sandbox Code Playgroud)
在上面的例子中,我收到了avr-gcc编译器的警告
Warning 6 passing argument 1 of 'strlen' discards 'volatile' qualifier from pointer target type [enabled by default]
Run Code Online (Sandbox Code Playgroud)
所以我必须以某种方式将值从volatile复制到非易失性var?什么是安全的解决方法?
我的应用程序在IAP沙箱中进入了一些奇怪的状态...每次启动应用程序时都会询问特定测试用户的密码.我想由于未完成的交易.我真的想完成那笔交易,但这是不可能的.一些背景信息以及我为它做了些什么:
[[SKPaymentQueue defaultQueue] addTransactionObserver:self][SKPaymentQueue defaultQueue].transactions.count总是0如此,所以我无法手动完成未完成的交易唯一的问题是改变包ID,这在我的情况下是不可取的.希望有人知道如何摆脱未完成的交易的替代方法.