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How exactly does a generator comprehension work?
... generator expression is like a list comprehension, but instead of finding all the items you're interested and packing them into list, it waits, and yields each item out of the expression, one by one.
>>> my_list = [1, 3, 5, 9, 2, 6]
>>> filtered_list = [item for item in my_list i...
What does “for” attribute do in HTML tag?
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The <label> tag allows you to click on the label, and it will be treated like clicking on the associated input element. There are two ways to create this association:
One way is to wrap the label element around the input element:
<label...
Cross-browser testing: All major browsers on ONE machine
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Adobe Flash Player
Download summary
Sandboxie
Part 2: Installation and configuration
Internet Explorer
Firefox
Opera
Chrome
Safari
Developer tools (and shortcuts)
Measured set-up time and disk space
Time needed per browser (install & config)
Optimal us...
Local variables in nested functions
...ints to the local variable cage in the get_petters function.
When you actually call the function, that closure is then used to look at the value of cage in the surrounding scope at the time you call the function. Here lies the problem. By the time you call your functions, the get_petters function i...
How do I set up curl to permanently use a proxy? [closed]
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edited Sep 26 '11 at 17:59
answered Sep 26 '11 at 17:54
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No newline at end of file
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It indicates that you do not have a newline (usually '\n', aka CR or CRLF) at the end of file.
That is, simply speaking, the last byte (or bytes if you're on Windows) in the file is not a newline.
The message is displayed because otherwise there is no way to tell the dif...
static const vs #define
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Personally, I loathe the preprocessor, so I'd always go with const.
The main advantage to a #define is that it requires no memory to store in your program, as it is really just replacing some text with a literal value. It also has...
Seeing escape characters when pressing the arrow keys in python shell
In shells like the interactive python shell, you can usually use the arrow keys to move around in the current line or get previous commands (with arrow-up) etc.
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How do I test an AngularJS service with Jasmine?
... problem is that the factory method, that instantiate the service, is not called in the example above (only creating the module doesn't instantiate the service).
In order to the service to be instantiated angular.injector has to be called with the module where our service is defined. Then, we can a...
Check if a JavaScript string is a URL
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3limin4t0r
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answered Apr 19 '11 at 13:29
Tom GullenTom Gullen
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