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Is there Selected Tab Changed Event in the standard WPF Tab Control

... I tied this in the handler to make it work: void TabControl_SelectionChanged(object sender, SelectionChangedEventArgs e) { if (e.Source is TabControl) { //do work when tab is changed } } sh...
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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR

...r using it inside the block should be ok, but it still shows the warning. __block ASIHTTPRequest *request = [[ASIHTTPRequest alloc] initWithURL:... [request setCompletionBlock:^{ NSDictionary *jsonDictionary = [[CJSONDeserializer deserializer] deserialize:request.responseData error:nil]; r...
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How to perform Callbacks in Objective-C

...newer) option is to use blocks: @interface MyClass: NSObject { void (^_completionHandler)(int someParameter); } - (void) doSomethingWithCompletionHandler:(void(^)(int))handler; @end @implementation MyClass - (void) doSomethingWithCompletionHandler:(void(^)(int))handler { // NOTE: copyin...
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How to create a GUID/UUID using iOS

...tring = CFUUIDCreateString(NULL, theUUID); CFRelease(theUUID); return (__bridge NSString *)string; } EDIT: Jan, 29 2014: If you're targeting iOS 6 or later, you can now use the much simpler method: NSString *UUID = [[NSUUID UUID] UUIDString]; ...
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What's the difference between %s and %d in Python string formatting?

... what do you call these %s, %d, etc? – Chaine May 19 '17 at 18:21 1 ...
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Split a string by another string in C#

... I actually ended up changing my answer to this for 2 reasons: #1: To handle the splits I want to do I would need to use Regex.Escape, because my split string will often contain asterisks, etc. #2: While this program I'm writing...
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Create or write/append in text file

... Try something like this: $txt = "user id date"; $myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX); share | improve this answer | fol...
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Change Oracle port from port 8080

... Production on Tue Aug 26 10:40:44 2008 Copyright (c) 1982, 2005, Oracle. All rights reserved. SQL> connect Enter user-name: system Enter password: <enter password if will not be visible> Connected. SQL> Exec DBMS_XDB.SETHTTPPORT(3010); [Assuming you want to have HTTP going to this po...
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Recent file history in Vim?

... :e #<1 opens last file, see :h c_#<. – Hotschke Dec 15 '15 at 16:42 ...
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What is the recommended way to delete a large number of items from DynamoDB?

... What I ideally want to do is call LogTable.DeleteItem(user_id) - Without supplying the range, and have it delete everything for me. An understandable request indeed; I can imagine advanced operations like these might get added over...