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UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...SVPullToRefresh. Have you tried reading their docs? It seems quite obvious based on the docs that it can be pulled down programmatically: "If you’d like to programmatically trigger the refresh (for instance in viewDidAppear:), you can do so with: [tableView triggerPullToRefresh];" See: github....
How can I remove the gloss on a select element in Safari on Mac?
...cluding any image files:
select{
background: url(data:image/svg+xml;base64,PHN2ZyBpZD0iTGF5ZXJfMSIgZGF0YS1uYW1lPSJMYXllciAxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA0Ljk1IDEwIj48ZGVmcz48c3R5bGU+LmNscy0xe2ZpbGw6I2ZmZjt9LmNscy0ye2ZpbGw6IzQ0NDt9PC9zdHlsZT48L2RlZnM+PHRpdG...
How do I iterate over an NSArray?
...for OS X 10.6 / iOS 4.0 and above, you also have the option of using block-based APIs to enumerate arrays and other collections:
[array enumerateObjectsUsingBlock:^(id object, NSUInteger idx, BOOL *stop) {
// do something with object
}];
You can also use -enumerateObjectsWithOptions:usingBloc...
What is the optimal length for an email address in a database?
...
from Ask Metafilter:
My data comes from a database of 323
addresses. The distribution has some
upper-end outliers
(positively-skewed). It is normally
distributed without the outliers (I
tested it.)
Min: 12 1st quartile: 19 Mean (w/
outliers): 23.04 Mean ...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...可以运行演示：根据演示设置，您会看到响应手机移动的图片或显示双眼图像的分屏。但您应该使用查看器以获得完整效果。如果您没有查看器，您可能首先想尝试没有查看器的演示，然后获取查看器进行更多探索。访问 Google ...
How is the default max Java heap size determined?
...
In my case on Linux, InitialHeapSize = 262803264 and MaxHeapSize = 4206886912 which is about 256 MB and 4 GB if I'm not mistaken. Does this mean that every JVM starts as if it was launched with -Xms256m -Xmx4g options?
– Yuriy Nakonechnyy
...
adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...误提示、
[root@adito mnt]# ls
adito-0.9.1-bin.zip jdk-7u17-linux-x64.tar.gz
[root@adito mnt]# tar -zxvf jdk-7u17-linux-x64.tar.gz
解压出来后，移动到usr目录
[root@adito mnt]# mv jdk1.7.0_17 /usr
配置java 参数
alternatives --install /usr/bin/java java /usr/jdk1.7.0_17/jr...
Does PowerShell support constants?
...ller.
The following modified function fixes this problem. The solution is based on this answer to the question "Is there any way for a powershell module to get at its caller's scope?".
function Set-Constant {
<#
.SYNOPSIS
Creates constants.
.DESCRIPTION
This function...
LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...户的个人工作平台，需要检索很多的数据，并合成了很多图片，所以相应的加载时间较长，这是正确的。
Web服务器资源
上述所有的监控图形LoadRunner都可以提供，但对于某些测试监控图来说，LoadRunner就没有提供了，...
Best implementation for hashCode method for a collection
...rstName, this.lastName);
}
This requires either Guava (com.google.common.base.Objects.hashCode) or the standard library in Java 7 (java.util.Objects.hash) but works the same way.
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