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How do I check if a string contains another string in Objective-C?
...re on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah";
if ([string containsString:@"bla"]) {
NSLog(@"string contains bla!");
} else {
NSLog(@"string does not contain bla");
}
(This is also...
Map.clear() vs new Map : Which one will be better? [duplicate]
...
Complicated question. Let's see what happens.
You instantiate a new instance, which is backed with new array. So, garbage collector should clear all the key and values from the previous map, and clear the reference to itself. So O(n) algorithm is executed anyway...
Angularjs prevent form submission when input validation fails
... need for controller checks". What if we ant additional validation checks happen in the submit function.
– SlaterCodes
Jul 31 '14 at 18:42
6
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Empty Visual Studio Project?
...ding them as solution files doesn't work because solution folders are not mapped to file system folders and I want to manage hierarchy from Visual Studio.
...
How to hide UINavigationBar 1px bottom line
I have an app that sometimes needs its navigation bar to blend in with the content.
45 Answers
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What's the foolproof way to tell which version(s) of .NET are installed on a production Windows Serv
...
Problem, looks like, with that approach is that it only tells you what the latest version you have is. I deploy code in 2.0, 3.0, 3.5 and (sadly) even 1.1. Although the goal is to get everything upgraded eventually, the sad fact for now is that I need all ...
远程临场机器人 你会买单吗? - 资讯 - 清泛网 - 专注C/C++及内核技术
...竖着一根可调节的长杆作为平板设备的支撑,用户通过 App即可进行远程视频通话——是的,这确切地说更像一个iPad的智能配件。
那么这和一般的视频通话有什么不同?
孔尧举了个例子:“你控制的明机器人行走在丽江,你没...
Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
I'm currently using the iOS 5 SDK trying to develop my app.
I'm trying to make an NSString a property, and then to synthesize it in the .m file (I have done this before with no issues). Now, I came across this: "Semantic Issue: Property's synthesized getter follows Cocoa naming convention for return...
Creating your own header file in C
.../
printf("%d\n", y);
return 0;
}
To compile using GCC
gcc -o my_app main.c foo.c
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How do I programmatically set the value of a select box element using JavaScript?
...ument.querySelector('#leaveCode').value = '14'
Using the more established approach with document.getElementById(), that will, as the name of the function implies, let you select an element based on its id:
document.getElementById('leaveCode').value = '14'
You can run the below code snipped to s...
