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iOS app error - Can't add self as subview

...So far this seems to have resolved the problem for us. Example: id lock = _dataViewController.navigationController.navigationLock; [[MyApi sharedClient] getUserProfile:_user.id success:^(MyUser *user) { ProfileViewController *pvc = [[ProfileViewController alloc] initWithUser:user]; [_dataVi...
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Using a dispatch_once singleton model in Swift

...ound for the lack of static constants and variables in functions. dispatch_once The traditional Objective-C approach ported to Swift. I'm fairly certain there's no advantage over the nested struct approach but I'm putting it here anyway as I find the differences in syntax interesting. class Singl...
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How to loop through a plain JavaScript object with the objects as members?

... for (var key in validation_messages) { // skip loop if the property is from prototype if (!validation_messages.hasOwnProperty(key)) continue; var obj = validation_messages[key]; for (var prop in obj) { // skip loop if the prop...
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When would I use Task.Yield()?

...equires some "long running" initialization, ie: private async void button_Click(object sender, EventArgs e) { await Task.Yield(); // Make us async right away var data = ExecuteFooOnUIThread(); // This will run on the UI thread at some point later await UseDataAsync(data); } ...
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64-bit version of Boost for 64-bit windows

... it is also possible to use the stagedir parametter: "bjam --stagedir=./lib_64bit address-model=64 toolset=msvc threading=multi" and "bjam --stagedir=./lib toolset=msvc threading=multi" – Odin Jul 11 '12 at 15:20 ...
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How to convert byte array to string and vice versa?

...rset): String str = new String(bytes, java.nio.charset.StandardCharsets.ISO_8859_1); – iman Nov 20 '17 at 7:33 ...
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Is there a way of making strings file-path safe in c#?

...h.GetInvalidFileNameChars(); // Builds a string out of valid chars and an _ for invalid ones var validFilename = new string(filename.Select(ch => invalidFileNameChars.Contains(ch) ? '_' : ch).ToArray()); To replace invalid characters (and avoid potential name conflict like Hell* vs Hell$): st...
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Why can't I make a vector of references?

... Checking the assignable concept at boost.org/doc/libs/1_39_0/doc/html/Assignable.html all operations except the swap are valid on references. – amit Aug 18 '09 at 16:01 ...
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Haml: Control whitespace around text

... To answer the original question: I will first = succeed ',' do = link_to 'link somewhere', 'http://example.com' - if @condition then render this half of the sentence if a condition is met Produces: I will first <a href="http://example.com">link somewhere</a>, then render this ...
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How do I set up a simple delegate to communicate between two view controllers?

... super.viewDidLoad() } @IBAction func btnSendDataPushed(_ sender: UIButton) { // Call the delegate method from SecondVC self.delegate?.sendData(data:self.data) dismiss(animated: true, completion: nil) } } ViewCo...