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Is it possible to implement a Python for range loop without an iterator variable?

...I think the best you could do is something like this: def loop(f,n): for i in xrange(n): f() loop(lambda: <insert expression here>, 5) But I think you can just live with the extra i variable. Here is the option to use the _ variable, which in reality, is just another variable. for _ ...
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How to place the ~/.composer/vendor/bin directory in your PATH?

...d I've been trying all possible methods to install Laravel to no avail. Error messages everything I try. I'm now trying the first method in the quickstart documentation, that is, via Laravel Installer, but it says to "Make sure to place the ~/.composer/vendor/bin directory in your PATH so the La...
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Value Change Listener to JTextField

...Add a listener to the underlying Document, which is automatically created for you. // Listen for changes in the text textField.getDocument().addDocumentListener(new DocumentListener() { public void changedUpdate(DocumentEvent e) { warn(); } public void removeUpdate(DocumentEvent e) { ...
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Installing Ruby Gem in Windows

...all GEM on my PC by following the steps given in the site http://rubygems.org/pages/download . 7 Answers ...
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How can I benchmark JavaScript code? [closed]

... but (depending on how complex your functions are) somewhere closer to 100 or even 1,000 iterations should do the job. Firebug also has a profiler if you want to see which parts of your function are slowing it down. Edit: To future readers, the below answer recommending JSPerf should be the correc...
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Add a new item to a dictionary in Python [duplicate]

I want to add an item to an existing dictionary in Python. For example, this is my dictionary: 3 Answers ...
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What's the best free C++ profiler for Windows? [closed]

I'm looking for a profiler in order to find the bottleneck in my C++ code. I'd like to find a free, non-intrusive, and good profiling tool. I'm a game developer, and I use PIX for Xbox 360 and found it very good, but it's not free. I know the Intel VTune , but it's not free either. ...
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Switching a DIV background image with jQuery

I am making an expand/collapse call rates table for the company I work for. I currently have a table with a button under it to expand it, the button says "Expand". It is functional except I need the button to change to "Collapse" when it is clicked and then of course back to "Expand" when it is clic...
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How do you sort a dictionary by value?

I often have to sort a dictionary, consisting of keys & values, by value. For example, I have a hash of words and respective frequencies, that I want to order by frequency. ...
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How to check if a String contains only ASCII?

...); This uses the matchesAllOf(someString) method which relies on the factory method ascii() rather than the now deprecated ASCII singleton. Here ASCII includes all ASCII characters including the non-printable characters lower than 0x20 (space) such as tabs, line-feed / return but also BEL with co...