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How would I create a UIAlertView in Swift?

...ewController: UIViewController { @IBAction func showAlertButtonTapped(_ sender: UIButton) { // create the alert let alert = UIAlertController(title: "My Title", message: "This is my message.", preferredStyle: UIAlertController.Style.alert) // add an action (button) ...
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Why Would I Ever Need to Use C# Nested Classes [duplicate]

...like this ... class A { //used to help implement A class B { A m_a; internal B(A a) { m_a = a; } ...methods of B can access private members of the m_a instance... } ...etc... } ... and constructed from a method of A using code like this ... //create an instance of B, whose ...
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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?

... [HUD showUIBlockingIndicatorWithText:@"Fetching JSON data"]; // while (_loans == nil || _loans.count == 0) // { // [NSThread sleepForTimeInterval:1.0f]; // [self reloadLoansFormApi]; // NSLog(@"sleep "); // } [self performSelector:@selector(checkLoad) withObject:self a...
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

...ensed to do so by the user (e.g. via -ffast-math). Note that GCC provides __builtin_powi(x,n) as an alternative to pow( ), which should generate an inline multiplication tree. Use that if you want to trade off accuracy for performance, but do not want to enable fast-math. ...
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Get underlined text with Markdown

... answered Jun 9 '10 at 6:24 zed_0xffzed_0xff 28.2k77 gold badges4747 silver badges7070 bronze badges ...
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How to change the background color of the options menu?

..."> ... <item name="android:itemBackground">@color/overflow_background</item> ... </style> Tested from API 4.2 to 5.0. share | improve this answer | ...
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How to set java_home on Windows 7?

..., one for user variables and one for system variables. Both were named JAVA_HOME and both pointing to 18 Answers ...
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PowerShell equivalent to grep -f

...ls | grep -I -N exe 105:-a--- 2006-11-02 13:34 49680 twunk_16.exe 106:-a--- 2006-11-02 13:34 31232 twunk_32.exe 109:-a--- 2006-09-18 23:43 256192 winhelp.exe 110:-a--- 2006-11-02 10:45 9216 winhlp32.exe PS) grep /? ...
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Reliable method to get machine's MAC address in C#

...address.</returns> private string GetMacAddress() { const int MIN_MAC_ADDR_LENGTH = 12; string macAddress = string.Empty; long maxSpeed = -1; foreach (NetworkInterface nic in NetworkInterface.GetAllNetworkInterfaces()) { log.Debug( "Found MAC Address: "...
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Max or Default?

...t I think it'd go something like this: Dim x = (From y In context.MyTable _ Where y.MyField = value _ Select CType(y.MyCounter, Integer?)).Max Or in C#: var x = (from y in context.MyTable where y.MyField == value select (int?)y.MyCounter).Max(); ...