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system(“pause”); - Why is it wrong?
...summary, it has to pause the programs execution and make a system call and allocate unnecessary resources when you could be using something as simple as cin.get(). People use System("PAUSE") because they want the program to wait until they hit enter to they can see their output. If you want a progra...
iPhone: How to switch tabs with an animation?
...oller:(UIViewController *)toVC
{
return [[TabSwitchAnimationController alloc] init];
}
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Can't use Swift classes inside Objective-C
...}
}
Objective-C code (calling code)
SwiftClass *obj = [[SwiftClass alloc] initWithStringValue: @"Hello World!"];
[obj printValue];
NSString * str = obj.stringValue;
obj.stringValue = @"HeLLo wOrLd!!!";
Result
4. Call Objective-c class from Swift code
Objective-C class (ObjcClass.h)
#impo...
Recursive lambda functions in C++11
...han std::function for 3 reasons: it doesn't require type erasure or memory allocation, it can be constexpr and it works properly with auto (templated) parameters / return type
– Ivan Sanz-Carasa
Sep 12 '18 at 8:14
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What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
...nds by returning the value of method B such that method A's stack can be deallocated once the call to method B is made.
MSIL code supports tail recursion explicitly, and for some algorithms this could be a important optimization to make. But since C# and VB do not generate the instructions to do th...
Append values to query string
...ke parsing, url encoding, ...:
string longurl = "http://somesite.com/news.php?article=1&lang=en";
var uriBuilder = new UriBuilder(longurl);
var query = HttpUtility.ParseQueryString(uriBuilder.Query);
query["action"] = "login1";
query["attempts"] = "11";
uriBuilder.Query = query.ToString();
long...
How do I show a console output/window in a forms application?
...nteropServices;
private void Form1_Load(object sender, EventArgs e)
{
AllocConsole();
}
[DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool AllocConsole();
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Aligning UIToolBar items
...nd right of your items
UIBarButtonItem *flexibleSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
[toolbar setItems:[NSArray arrayWithObjects:flexibleSpace, settingsButton,deleteButton,aboutButton, flexibleSpace, nil]];
Adding ...
How can I produce an effect similar to the iOS 7 blur view?
...backgroundColor = [UIColor clearColor];
UIToolbar* bgToolbar = [[UIToolbar alloc] initWithFrame:myView.frame];
bgToolbar.barStyle = UIBarStyleDefault;
[myView.superview insertSubview:bgToolbar belowSubview:myView];
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Making the Android emulator run faster
...for the AVD Manager to pick up the Intel Atom (x86) CPU option. Tip: Don't allocate too much RAM. With 1GB RAM, emulator failed to start (with GPU) but with 512MB RAM it ran smoothly and booted really quickly (again with GPU).
– ADTC
Jul 28 '13 at 16:11
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