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StringIO in Python3

...se io.StringIO and it works, but I can't use it with numpy 's genfromtxt like this: 8 Answers ...
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Convert string to a variable name

... assign is what you are looking for. assign("x", 5) x [1] 5 but buyer beware. See R FAQ 7.21 http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-turn-a-string-into-a-variable_003f share ...
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Pythonic way to combine FOR loop and IF statement

... You can use generator expressions like this: gen = (x for x in xyz if x not in a) for x in gen: print x share | improve this answer ...
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6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术

...#define _(a) ________(a); #define ______ _______(){ #define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C) #define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F) #define ____ _(0x72)_(0x6C)_(0x64)_(0x21) #define _____ __ ___ ____ _________ #include<stdio.h> _____ hello2.c #include<stdio.h> main(){...
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Sort points in clockwise order?

Given an array of x,y points, how do I sort the points of this array in clockwise order (around their overall average center point)? My goal is to pass the points to a line-creation function to end up with something looking rather "solid", as convex as possible with no lines intersecting. ...
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How to manually create icns files using iconutil?

...nset Since the path contains spaces, you need to use double quotes, for example: iconutil -c icns "/Users/myname/SDK Mac Apps/MyApp/grafica/icon.iconset" This command should work properly. share | ...
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How to detect if a function is called as constructor?

...nce. Looking at the ECMAScript 3rd edition spec, the steps taken when new x() is called are essentially: Create a new object Assign its internal [[Prototype]] property to the prototype property of x Call x as normal, passing it the new object as this If the call to x returned an object, return it...
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data.frame rows to a list

... Like this: xy.list &lt;- split(xy.df, seq(nrow(xy.df))) And if you want the rownames of xy.df to be the names of the output list, you can do: xy.list &lt;- setNames(split(xy.df, seq(nrow(xy.df))), rownames(xy.df)) ...
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Python matplotlib multiple bars

...e red can be seen only. How can I plot the multiple bars with dates on the x-axes? 5 Answers ...
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Converting int to bytes in Python 3

...es on an iterable instead of a single integer: &gt;&gt;&gt; bytes([3]) b'\x03' The docs state this, as well as the docstring for bytes: &gt;&gt;&gt; help(bytes) ... bytes(int) -&gt; bytes object of size given by the parameter initialized with null bytes ...