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How to empty a list?

... This actually removes the contents from the list, but doesn't replace the old label with a new empty list: del lst[:] Here's an example: lst1 = [1, 2, 3] lst2 = lst1 del lst1[:] print(lst2) For the sake of completeness, the slice assignment has the same ...
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xkcd style graphs in MATLAB

...ody's solution!). This solution relies on two key functions: EXPORT_FIG from the file exchange to get an anti-aliased screenshot, and IMTRANSFORM to get a transformation. %# define plot data x = 1:0.1:10; y1 = sin(x).*exp(-x/3) + 3; y2 = 3*exp(-(x-7).^2/2) + 1; %# plot fh = figure('color','w');...
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What does the variable $this mean in PHP?

... //member method //Assign data to member variable from inside the member method $this->my_member_variable = "whatever"; //Get data from member variable from inside the member method. print $this->my_member_variable; } } $this is reference...
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Difference between DateTime and Time in Ruby

...12 00:00:00 +0000 So it's reassuring that DateTime can handle blog posts from Aristotle. When choosing one, the differences are somewhat subjective now. Historically DateTime has provided better options for manipulating it in a calendar fashion, but many of these methods have been ported over to ...
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Iterate all files in a directory using a 'for' loop

...e time. Just use cygwin with its bash for much more functionality. Apart from this: Did you notice, that the buildin help of MS Windows is a great resource for descriptions of cmd's command line syntax? Also have a look here: http://technet.microsoft.com/en-us/library/bb490890.aspx ...
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ASP.NET_SessionId + OWIN Cookies do not send to browser

...ome specific state, whole Set-Cookie header is first cleared and recreated from cookies stored in collection. ASP.NET session implementation uses System.Web.HttpResponse.Cookies property to store it's ASP.NET_SessionId cookie. Also there is some basic optimization in ASP.NET session state module (S...
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Why is try {…} finally {…} good; try {…} catch{} bad?

... In most cases, it's more apparent why a particular exception would occur from the application level (e.g., a certain configuration setting) than in the class librray level. – Mark Cidade Sep 24 '08 at 21:47 ...
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Any gotchas using unicode_literals in Python 2.6?

...er the following scripts. two.py # encoding: utf-8 name = 'helló wörld from two' one.py # encoding: utf-8 from __future__ import unicode_literals import two name = 'helló wörld from one' print name + two.name The output of running python one.py is: Traceback (most recent call last): Fi...
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Type of conditional expression cannot be determined because there is no implicit conversion between

...has type X and y has type Y then If an implicit conversion (§6.1) exists from X to Y, but not from Y to X, then Y is the type of the conditional expression. If an implicit conversion (§6.1) exists from Y to X, but not from X to Y, then X is the type of the conditional expression. Otherwise, no ...
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get original element from ng-click

...ps%3a%2f%2fstackoverflow.com%2fquestions%2f23107613%2fget-original-element-from-ng-click%23new-answer', 'question_page'); } ); Post as a guest Name ...