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c++文件流基本用法(ifstream, ostream,fstream) - C/C++ - 清泛网 - 专注C/C++及内核技术
...功能。
void main()
{
fstream file;
file.open("file.ext",iso::in|ios::out)
//do an input or output here
file.close();
}
open函数的参数定义了文件的打开模式。总共有如下模式
ios::in 读
ios::out 写
ios::app 从文件末尾开始写
ios::binary 二...
蓝牙BLE硬件接入及IO控制 · App Inventor 2 源码商店
... 源码列表 / 蓝牙BLE硬件接入及IO控制 蓝牙BLE硬件接入...
Blank space at top of UITextView in iOS 10
I have UITextView with some text in it. Everything was fine with iOS 6 but now with iOS 7 it leaves the blank space on top and then place the text below the middle of the textview.
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Make UINavigationBar transparent
How do you make a UINavigationBar transparent ? Though I want its bar items to remain visible.
18 Answers
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Simulator error FBSSystemServiceDomain code 4
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Go to the iOS Simulator menu and select Reset Content and Settings.
Alternatively, you could quit and reopen the Simulator.
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Read entire file in Scala?
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val lines = scala.io.Source.fromFile("file.txt").mkString
By the way, "scala." isn't really necessary, as it's always in scope anyway, and you can, of course, import io's contents, fully or partially, and avoid having to prepend "io." too.
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How to pre-populate the sms body text via an html link
...*/?body=/* body text here */">Link</a>
If you want it to work on iOS, you need this:
<a href="sms:/* phone number here */;body=/* body text here */">Link</a>
Live demo here: http://bradorego.com/test/sms.html (note the "Phone and ?body" and "Phone and ;body" should autofill b...
Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
Starting in iOS7, there is additional space at the top of my UITableView 's which have a style UITableViewStyleGrouped .
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Retrieve list of tasks in a queue in Celery
...tps://github.com/mher/flower/blob/master/flower/utils/broker.py#L135
:param queue: The name of the queue to make a name for.
:param pri: The priority to make a name with.
:return: A name for the queue-priority pair.
"""
if pri not in DEFAULT_PRIORITY_STEPS:
raise ValueEr...
Why can templates only be implemented in the header file?
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template<typename T>
struct Foo
{
T bar;
void doSomething(T param) {/* do stuff using T */}
};
// somewhere in a .cpp
Foo<int> f;
When reading this line, the compiler will create a new class (let's call it FooInt), which is equivalent to the following:
struct FooInt
{
i...