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What's the difference between the data structure Tree and Graph?

...nique for unrooted trees, but that is immaterial. – j_random_hacker Jul 7 '14 at 9:42 2 Not quite...
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Difference between fmt.Println() and println() in Go

...Strings(1, 5) func rangeOverIntsAndStrings(args ...interface{}) { for _, v := range args { println(v) } } // output (0x108f060,0x10c5358) (0x108f060,0x10c5360) vs func rangeOverIntsAndStrings(args ...interface{}) { for _, v := range args { fmt.Println(v) } } ...
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Exception thrown in NSOrderedSet generated accessors

... I am getting this error when I try to implement this work-around.. [__NSArrayI isEqualToSet:]: unrecognized selector sent to instance... This usually is from a item that has been release, but can't find where, anyone run into this? – DerekH Jan 19 '12 at...
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Bind TextBox on Enter-key press

...special event handler that went into the code behind: private void TextBox_KeyEnterUpdate(object sender, KeyEventArgs e) { if (e.Key == Key.Enter) { TextBox tBox = (TextBox)sender; DependencyProperty prop = TextBox.TextProperty; BindingExpression binding = BindingOp...
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How to define two fields “unique” as couple

... There is a simple solution for you called unique_together which does exactly what you want. For example: class MyModel(models.Model): field1 = models.CharField(max_length=50) field2 = models.CharField(max_length=50) class Meta: unique_together = ('field1', 'fi...
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Hidden Features of Java

... JDK 1.6_07+ contains an app called VisualVM (bin/jvisualvm.exe) that is a nice GUI on top of many of the tools. It seems more comprehensive than JConsole. ...
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Trigger a button click with JavaScript on the Enter key in a text box

... In jQuery, the following would work: $("#id_of_textbox").keyup(function(event) { if (event.keyCode === 13) { $("#id_of_button").click(); } }); $("#pw").keyup(function(event) { if (event.keyCode === 13) { $("#myButton").click(); ...
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Intersection of two lists in Bash

...2 <(git grep -il "\$this->error(" -- "*.php") <(git grep -il "Dash_Api_Json_Response" -- "*.php"), and luckily I ended up with the name of the file only that contained the trait. – localheinz Apr 7 '17 at 15:45 ...
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postgresql - replace all instances of a string within text field

...ing-to-string replacement, so 'category' will become 'dogegory'. the regexp_replace function may help you define a stricter match pattern for what you want to replace. share | improve this answer ...
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Xcode stuck at “Your application is being uploaded”

...rom apple download center: http://support.apple.com/kb/DL1572?viewlocale=en_US If this still doesn't help then follow this third method: This method enables the application loader to use the HTTP port instead of HTTPS. Go to Application Loader java folder : /Applications/Xcode.app/Contents/Applicat...