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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....
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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How do you use bcrypt for hashing passwords in PHP?

...edHat PHP >= 5.3.3) There is a compatibility library on GitHub created based on the source code of the above functions originally written in C, which provides the same functionality. Once the compatibility library is installed, usage is the same as above (minus the shorthand array notation if y...
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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. share | improve t...
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Why is an int in OCaml only 31 bits?

...huclv: This is not surprising, of course. Just like the HotSpot JVM, V8 is based on the Animorphic Smalltalk VM, which in turn is based on the Self VM. And V8 was developed by (some of) the same people who developed the HotSpot JVM, the Animorphic Smalltalk VM, and the Self VM. Lars Bak, in particul...