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Iterate over the lines of a string
... print list(f())
Running this as the main script confirms the three functions are equivalent. With timeit (and a * 100 for foo to get substantial strings for more precise measurement):
$ python -mtimeit -s'import asp' 'list(asp.f3())'
1000 loops, best of 3: 370 usec per loop
$ python -mtimeit -s'...
Wildcards in a Windows hosts file
...face settings:
Start
Control Panel
Network and Internet
Network Connections
Local Area Connection Properties
TCP/IPv4
Set "Use the following DNS server address":
Preferred DNS Server: 127.0.0.1
If you then combine this answer with jeremyasnyder's answer (using VirtualDocumentRoot) you can ...
How do I download a binary file over HTTP?
...
The simplest way is the platform-specific solution:
#!/usr/bin/env ruby
`wget http://somedomain.net/flv/sample/sample.flv`
Probably you are searching for:
require 'net/http'
# Must be somedomain.net instead of somedomain.net/, otherwise, it will throw exception.
Net:...
Weak and strong property setter attributes in Objective-C
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Here is information what I know about variable properties
atomic //default
nonatomic
strong=retain //default
weak
retain
assign //default
unsafe_unretained
copy
readonly
readwrite //default
so below ...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...tp://cocoaheads.tumblr.com/post/17757846453/objective-c-literals-for-nsdictionary-nsarray-and:
Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create literals for NSString)
NSArray Literals
Previously:
array = [NSArray arrayWithObjects...
BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...，8KB RAM和其他功能强大的配套特征及外设。CC2540有两种版本：CC2540F128 / F256，分别为128和256 KB的闪存，结合TI的低功耗蓝牙协议栈，CC2540F128 / F256形成了市场上最灵活，性价比也最高的单模式蓝牙BLE解决方案。
CC2540 USB Dongle的实...
Delete directories recursively in Java
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You should check out Apache's commons-io. It has a FileUtils class that will do what you want.
FileUtils.deleteDirectory(new File("directory"));
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impro...
Close iOS Keyboard by touching anywhere using Swift
... let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: "dismissKeyboard")
//Uncomment the line below if you want the tap not not interfere and cancel other interactions.
//tap.cancelsTouchesInView = false
view.addGestureRecognizer(tap)
}
//Calls this function...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
This is my first iOS app submission and I don't want my app rejected.
7 Answers
7
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“Application tried to present modally an active controller”?
I just came across a crash showing a NSInvalidArgumentException with this message on an app which wasn't doing this before.
...