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Specifying and saving a figure with exact size in pixels

...): plt.figure(figsize=(800/my_dpi, 800/my_dpi), dpi=my_dpi) So you basically just divide the dimensions in inches by your DPI. If you want to save a figure of a specific size, then it is a different matter. Screen DPIs are not so important anymore (unless you ask for a figure that won't fit in ...
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Java8 Lambdas vs Anonymous classes

... been recently released and its brand new lambda expressions looks to be really cool, I was wondering if this means the demise of the Anonymous classes that we were so used to. ...
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Android Studio Project Structure (v.s. Eclipse Project Structure)

I'm trying to learn android development and I am initially confused by the different project structures between Eclipse and Android Studio. This makes it difficult to follow tutorials designed for Eclipse. Could anyone let me know why these differences exist? Should they exist? ...
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How to pass object with NSNotificationCenter

...when you do the addObserver(). The receiveTestNotification should only be called when observing a specific notification. – Johan Karlsson Feb 17 '16 at 15:06 1 ...
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Percentage Height HTML 5/CSS

...’, which is the nearest ancestor to also be positioned.) Alternatively, all modern browsers and IE>=9 support new CSS units relative to viewport height (vh) and viewport width (vw): div { height:100vh; } See here for more info. ...
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C++11 range based loop: get item by value or reference to const

... @racarate: I cannot comment on the overall speed, and I think nobody can, without profiling it first. Frankly, I wont base my choice on the speed, rather the clarity of the code. If I want immutability, I'd use const for sure. However, whether it would be auto co...
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How to use SQL Order By statement to sort results case insensitive?

... This usually won't work out of the box, if the database uses UTF8. (Notice that the title doesn't refer to just SQLite.) In this case, the suggestion to use lower() or upper() below is the one that works. – marc...
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How to post JSON to PHP with curl

I may be way off base, but I've been trying all afternoon to run the curl post command in this recess PHP framework tutorial. What I don't understand is how is PHP supposed to interpret my POST, it always comes up as an empty array. ...
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?

...nd C-H to many interesting logics and formulations of logics to obtain a really wide variety of correspondences. Here I've tried to focus on some of the more interesting ones rather than on the obscure, plus a couple of fundamental ones that haven't come up yet. evaluation | proof norm...
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SHFileOperation函数总结(文件夹的移动、复制、删除) - C/C++ - 清泛网 -...

...I SHFileOperation(LPSHFILEOPSTRUCT lpFileOp); 参数: typedef struct _SHFILEOPSTRUCT { HWND hwnd; //父窗口句柄 UINT wFunc; //要执行的动作 LPCTSTR pFrom; //源文件路径,可以是多个文件 LPCTSTR ...