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How to re-raise an exception in nested try/except blocks?

I know that if I want to re-raise an exception, I simple use raise without arguments in the respective except block. But given a nested expression like ...
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How can I make a jQuery UI 'draggable()' div draggable for touchscreen?

I have a jQuery UI draggable() that works in Firefox and Chrome. The user interface concept is basically click to create a "post-it" type item. ...
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Check status of one port on remote host [closed]

I need a command line that can check the port status on a remote host. I tried ping xxx.xxx.xxx.xxx:161 but it doesn't recognize the "host". I thought it was a "good" answer until I did the same command against a host I know has that port open. This is for a batch file on Windows that will chec...
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How can I save my secret keys and password securely in my version control system?

...ps. In there, specify which environment variables should be set, and every time you deploy a project, just follow the steps and set each of them. You can also create a shell script with many export MY_ENV_VAR=, and when you deploy, just fill it with the right values and source it. If by keep you m...
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How to rethrow the same exception in SQL Server

I want to rethrow the same exception in SQL Server that has just occurred in my try block. I am able to throw same message but I want to throw same error. ...
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Under what conditions is a JSESSIONID created?

... code calls request.getSession() or request.getSession(true) for the first time. If you just want to get the session, but not create it if it doesn't exist, use request.getSession(false) -- this will return you a session or null. In this case, new session is not created, and JSESSIONID cookie is not...
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Appending HTML string to the DOM

How to append this HTML string 10 Answers 10 ...
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Reading file contents on the client-side in javascript in various browsers

...t there will be a cross-browser way to do this, at least in a couple years time. Of course, submitting either a patch or a proposal for inclusion to HTML 5 does mean some work defending the idea, but the fact that Firefox already implements it gives you something to start with. ...
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How to uninstall Python 2.7 on a Mac OS X 10.6.4?

I want to completely remove Python 2.7 from my Mac OS X 10.6.4. I managed to remove the entry from the PATH variable by reverting my .bash_profile . But I also want to remove all directories, files, symlinks, and entries that got installed by the Python 2.7 install package. I've got the install p...
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Is it unnecessary to put super() in constructor?

...arguments super constructor is just a waste of screen space and programmer time. The compiler generates exactly the same code, whether you write it or not. class Explicit() { Explicit() { super(); } } class Implicit { Implicit() { } } Update (December 2018): Writing an...