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Xcode 4.2 debug doesn't symbolicate stack call

... NSLog(@"CRASH: %@", exception); NSLog(@"Stack Trace: %@", [exception callStackSymbols]); // Internal error reporting } Next, add the exception handler to your app delegate: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { ...
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Why am I not getting a java.util.ConcurrentModificationException in this example?

... iterator and listIterator methods are fail-fast: if the list is structurally modified at any time after the iterator is created, in any way except through the iterator's own remove or add methods, the iterator will throw a ConcurrentModificationException. This check is done in the next() ...
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Generic List - moving an item within the list

...ant. public void Move(int oldIndex, int newIndex) Underneath it is basically implemented like this. T item = base[oldIndex]; base.RemoveItem(oldIndex); base.InsertItem(newIndex, item); So as you can see the swap method that others have suggested is essentially what the ObservableCollection doe...
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How can I remove the string “\n” from within a Ruby string?

... your gsub. The different quote marks behave differently. Double quotes " allow character expansion and expression interpolation ie. they let you use escaped control chars like \n to represent their true value, in this case, newline, and allow the use of #{expression} so you can weave variables and...
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C++ convert vector to vector

...lt;int> intVec to std::vector<double> doubleVec . Or, more generally, to convert two vectors of convertible types? ...
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Read file data without saving it in Flask

...iting my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always. ...
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How can I use Server.MapPath() from global.asax?

...flector, you'll notice that Server.MapPath and Request.MapPath ultimately call VirtualPath.MapPath which ultimately calls HostingEnvironment.MapPath. They all end up in the same place. HostingEnvironment.MapPath cuts out the middle man. – Corbin March Jun 3 '09...
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Efficient list of unique strings C#

... You don't need the Contains check with a HashSet. You can just call the Add method directly and it will return true or false depending on whether or not the item already exists. – LukeH May 28 '09 at 9:01 ...
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How can I post data as form data instead of a request payload?

In the code below, the AngularJS $http method calls the URL, and submits the xsrf object as a "Request Payload" (as described in the Chrome debugger network tab). The jQuery $.ajax method does the same call, but submits xsrf as "Form Data". ...
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How can I wrap or break long text/word in a fixed width span?

... DEMO li span{ display:block; width:50px; word-break:break-all; } share | improve this answer | follow | ...