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Edit a commit message in SourceTree Windows (already pushed to remote)

...d. However, the current 1.5.2.0 version of SourceTree for Windows does not allow you to force-push through the GUI, so you'll need to use Git from the command line anyways in order to do that. Click Terminal from the GUI to open up a terminal. Step 7 From the terminal force-push with the follow...
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Where do I find the bashrc file on Mac?

Hello I am following this page .. I'm installing Python onto my mac so that I can set up a Django / Eclipse development environment. However I am not too sure how to go about executing this step: ...
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What is the fastest way to check if a class has a function defined?

...tr() to get the attribute, and callable() to verify it is a method: invert_op = getattr(self, "invert_op", None) if callable(invert_op): invert_op(self.path.parent_op) Note that getattr() normally throws exception when the attribute doesn't exist. However, if you specify a default value (None...
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Smart way to truncate long strings

... Essentially, you check the length of the given string. If it's longer than a given length n, clip it to length n (substr or slice) and add html entity … (…) to the clipped string. Such a method looks like function tru...
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Using only CSS, show div on hover over

...ibling selector, and is the basis of the suckerfish dropdown menu. HTML5 allows anchor elements to wrap almost anything, so in that case the div element can be made a child of the anchor. Otherwise the principle is the same - use the :hover pseudo-class to change the display property of another el...
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How to run JUnit test cases from the command line

...s/current/user-guide/#running-tests-console-launcher For JUnit 4.X it's really: java -cp .:/usr/share/java/junit.jar org.junit.runner.JUnitCore [test class name] But if you are using JUnit 3.X note the class name is different: java -cp .:/usr/share/java/junit.jar junit.textui.TestRunner [test c...
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi

...ementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key. ...
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Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

I have installed MySQL server and trying to connect to it, but getting the error: 18 Answers ...
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What is a word boundary in regex?

... be "identifier" characters (alnums and underscore), not as anything especially useful for English. – hobbs Aug 24 '09 at 21:02 ...
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Is a colon `:` safe for friendly-URL use?

... will specify application sections as words separated by slashes. Specifically, this is in GWT, so the relevant parts of the URL will be in the hash (which will be interpreted by a controller layer on the client-side): ...