大约有 7,000 项符合查询结果(耗时:0.0243秒) [XML]

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jQuery Get Selected Option From Dropdown

Usually I use $("#id").val() to return the value of the selected option, but this time it doesn't work. The selected tag has the id aioConceptName ...
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Centering a view in its superview using Visual Format Language

I just started learning AutoLayout for iOS and had a look at Visual Format Language. 14 Answers ...
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iPhone Simulator - Simulate a slow connection?

Is there a way to slow down the internet connection to the iPhone Simulator, so as to mimic how the App might react when you are in a slow spot on the cellular network? ...
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How can I get a file's size in C++? [duplicate]

Let's create a complementary question to this one . What is the most common way to get the file size in C++? Before answering, make sure it is portable (may be executed on Unix, Mac and Windows), reliable, easy to understand and without library dependencies (no boost or qt, but for instance glib is...
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How to scroll to the bottom of a UITableView on the iPhone before the view appears

... Though this is perfect answer, as we don't need to do calculation for how many cells, height of tableview etc.. BUT I would point that we need to call this before reloading the tableview... It won't work if we write this after [table reloadData]; – Fahim Parkar ...
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Making the iPhone vibrate

... From "iPhone Tutorial: Better way to check capabilities of iOS devices": There are two seemingly similar functions that take a parameter kSystemSoundID_Vibrate: 1) AudioServicesPlayAlertSound(kSystemSoundID_Vibrate); 2) AudioServicesPlaySystemSound(kSystemSoundID_Vibrate); Bot...
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How to write iOS app purely in C

... Damn, it took me a while but I got it: main.c: #include <CoreFoundation/CoreFoundation.h> #include <objc/runtime.h> #include <objc/message.h> // This is a hack. Because we are writing in C, we cannot out and include // <UIKit/UIKit.h>, as that uses Objective-C construc...
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How do I change the title of the “back” button on a Navigation Bar

... target:nil action:nil]; [[self navigationItem] setBackBarButtonItem:newBackButton]; [newBackButton release]; share | improve this answer...
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How to write a large buffer into a binary file in C++, fast?

... This did the job (in the year 2012): #include <stdio.h> const unsigned long long size = 8ULL*1024ULL*1024ULL; unsigned long long a[size]; int main() { FILE* pFile; pFile = fopen("file.binary", "wb"); for (unsigned long long j = 0; j < 1024; ++j){ /...
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What is an SSTable?

In BigTable/GFS and Cassandra terminology, what is the definition of a SSTable? 4 Answers ...