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Editing Javascript using Chrome Developer Tools

I am trying to edit javascript on a site using Chrome's Developer Tools. I have read about 30 accounts of how to do this as well as watched a few videos. The fact is, when I go to the sources tab and open the file I want to edit, I can't do anything to it. Is there some step I am missing? ...
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Finding the number of days between two dates

... $now = time(); // or your date as well $your_date = strtotime("2010-01-31"); $datediff = $now - $your_date; echo round($datediff / (60 * 60 * 24)); share ...
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When should we call System.exit in Java

...ts of the program can't (and shouldn't) be aware of each other. Then, if someone wants to quit, he can simply call System.exit(), and the shutdown hooks (if properly set up) take care of doing all necessary shutdown ceremonies such as closing files, releasing resources etc. "This method never retur...
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How to get the part of a file after the first line that matches a regular expression?

...ines. I want the part of my file after the line which matches my grep statement. 12 Answers ...
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Enable Vim Syntax Highlighting By Default

... Edit your $HOME/.vimrc (Unix/Linux/OSX) or $HOME/_vimrc (Windows) to include the following line: syntax on EDIT If your syntax highlighting doesn't work when you start Vim, you probably don't have a $HOME/.vimrc or $HOME/_vimrc (known...
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CSS/HTML: What is the correct way to make text italic?

... You should use different methods for different use cases: If you want to emphasise a phrase, use <em>. The <i> tag has a new meaning in HTML5, representing "a span of text in an alternate voice or mood". So you should use this tag for t...
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How to send password securely over HTTP?

If on a login screen user submits a form with his username and password, the password is sent in plain text (even with POST, correct me if I am wrong). ...
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What is the purpose of Flask's context stacks?

I've been using the request/application context for some time without fully understanding how it works or why it was designed the way it was. What is the purpose of the "stack" when it comes to the request or application context? Are these two separate stacks, or are they both part of one stack? Is ...
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CSS3 transform not working

I am trying to transform my menu items by rotating them 10 degrees. My CSS works in Firefox but I've failed to replicate the effect in Chrome and Safari. I know IE doesn't support this CSS3 property so that's not a problem. ...
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A non-blocking read on a subprocess.PIPE in Python

...ort Queue, Empty # python 2.x ON_POSIX = 'posix' in sys.builtin_module_names def enqueue_output(out, queue): for line in iter(out.readline, b''): queue.put(line) out.close() p = Popen(['myprogram.exe'], stdout=PIPE, bufsize=1, close_fds=ON_POSIX) q = Queue() t = Thread(target=enq...