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How can I profile Python code line-by-line?

... can anyone show how to actually use this library? The readme teaches how to install, and answers various FAQs, but doesn't mention how to use it after a pip install.. – cryanbhu Jul 25 '18 at 3:28 ...
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Image Greyscale with CSS & re-color on mouse-over?

...rayscale(100%); /* Chrome 19+ & Safari 6+ */ -webkit-transition: all .6s ease; /* Fade to color for Chrome and Safari */ -webkit-backface-visibility: hidden; /* Fix for transition flickering */ } img.grayscale:hover { filter: none; -webkit-filter: grayscale(0%); } sv...
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How do I test a camera in the iPhone simulator?

...n send it through the pipelined to be treated like a normal photo. Essentially providing the feel of a very fast camera. CGSize sz = UIDeviceOrientationIsPortrait([[UIDevice currentDevice] orientation]) ? CGSizeMake(2448, 3264) : CGSizeMake(3264, 2448); UIGraphicsBeginImageContextWithOptions(sz, Y...
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How do I measure request and response times at once using cURL?

...me="curl -w \"@$HOME/.curl-format.txt\" -o NUL -s " Then you can simply call... curltime wordpress.org Thanks to commenter Pete Doyle! Make a Linux/Mac stand-alone script This script does not require a separate .txt file to contain the formatting. Create a new file, curltime, somewhere in ...
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What is the purpose of std::make_pair vs the constructor of std::pair?

... Actually, the types should be deduced at compile time without the need to specify. – Chad Feb 14 '12 at 1:51 ...
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How to get the currently logged in user's user id in Django?

...rs = [{user.id: user.get_name()} for user in logged_in_users] # Query all logged in staff users based on id list all_staff_users = CustomUser.objects.filter(is_resident=False, is_active=True, is_superuser=False) logged_out_users = list() # for some reason exclude() would not work co...
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Change font size of UISegmentedControl

... Worth noticing that it will change the font of ALL UISegmentedControls. – Vive Jan 22 '15 at 9:48 ...
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Can I use Twitter Bootstrap and jQuery UI at the same time?

... with jQuery UI (something which caused a number of widgets to break visually) The ability to theme jQuery UI widgets using Bootstrap styles. Whilst I love jQuery UI, I (like others) find some of the current themes to look a little dated. My hope is that this theme provides a decent alternat...
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What is the fastest integer division supporting division by zero no matter what the result is?

...x, int y) { y += y == 0; return x/y; } The compiler basically recognizes that it can use a condition flag of the test in the addition. As per request the assembly: .globl f .type f, @function f: pushl %ebp xorl %eax, %eax movl %esp, %ebp movl 12(%...
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Selenium: FirefoxProfile exception Can't load the profile

... Update: Selenium team fixed in latest version. For almost all environments the fix is: pip install -U selenium Unclear at which version it was fixed (apparently r13122), but certainly by 2.26.0 (current at time of update) it is fixed. This error means that _wait_until_conn...