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Always pass weak reference of self into block in ARC?

I am a little confused about block usage in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, s...
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What Automatic Resource Management alternatives exist for Scala?

I have seen many examples of ARM (automatic resource management) on the web for Scala. It seems to be a rite-of-passage to write one, though most look pretty much like one another. I did see a pretty cool example using continuations, though. ...
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Simpler way to put PDB breakpoints in Python code?

Just a convenience question. I've been a bit spoiled with debuggers in IDEs like Visual Studio and XCode. I find it a bit clumsy to have to type import pdb; pdb.set_trace() to set a breakpoint (I'd rather not import pdb at the top of the file as I might forget and leave it in). ...
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How to use regex with find command?

I have some images named with generated uuid1 string. For example 81397018-b84a-11e0-9d2a-001b77dc0bed.jpg. I want to find out all these images using "find" command: ...
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How do I squash two non-consecutive commits?

I'm a bit new to the whole rebasing feature within git. Let's say that I made the following commits: 5 Answers ...
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How to create circle with Bézier curves?

...d a circle radius. There also exists an engine that can create a path from Bézier curve points. 10 Answers ...
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What is the shortest function for reading a cookie by name in JavaScript?

What is the shortest, accurate, and cross-browser compatible method for reading a cookie in JavaScript? 15 Answers ...
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婚庆O2O:领跑的企业也就只走到B轮 - 资讯 - 清泛网 - 专注C/C++及内核技术

婚庆O2O:领跑的企业也就只走到B轮七个单词,可能要花费20多年才能找到一个一起对话的人。但也有人一辈子只能在电影里看看。可是,当结婚这个神圣的大事儿有七大姑八大姨加入进来时,就成了……“Will you marry me?” “Ye...
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How to plot multiple functions on the same figure, in Matplotlib?

...ure you will have to do: from numpy import * import math import matplotlib.pyplot as plt t = linspace(0, 2*math.pi, 400) a = sin(t) b = cos(t) c = a + b plt.plot(t, a, 'r') # plotting t, a separately plt.plot(t, b, 'b') # plotting t, b separately plt.plot(t, c, 'g') # plotting t, c separately ...
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Recursive lambda functions in C++11

I am new to C++11. I am writing the following recursive lambda function, but it doesn't compile. 14 Answers ...