... @user661543 What's full path returned by the ih.getImgPath()? What you'd passed as an argument to delete file? If the method above didn't work then most likely stored your file out of application package. Or you might have passed wrong file name as an argument. ...

... File class. From the javadocs: Returns the length of the file denoted by this abstract pathname. The return value is unspecified if this pathname denotes a directory. For the second part of the question, straight from File's javadocs: getUsableSpace() Returns the number of bytes available ...

...reengineering.stackexchange.com/questions/138521/is-javascript-interpreted-by-design The answer I accepted is excellent and should help answer your question. For me personally, I am somewhat cautious of the idea of calling a language interpreted or compiled. It's an implementation decision, not pa...

...in your example — could be loaded from either a http or a https context. By using protocol relative URLs, you can avoid implementing if (window.location.protocol === 'http:') { myResourceUrl = 'http://example.com/my-resource.js'; } else { myResourceUrl = 'https://example.com/my-resource.js...

...g git and I am doing my development work, which I don't want to push, even by mistake. Is there a method to disable push in certain local repository. One method is to rename the branch, another is to undo push if one does it by mistake, but I hope there should be a more direct method. ...

...s provides high level data manipulation tools built on top of NumPy. NumPy by itself is a fairly low-level tool, similar to MATLAB. pandas on the other hand provides rich time series functionality, data alignment, NA-friendly statistics, groupby, merge and join methods, and lots of other convenience...

...are very effective. Tutorials : http://www.toptal.com/angular-js/a-step-by-step-guide-to-your-first-angularjs-app http://viralpatel.net/blogs/angularjs-controller-tutorial/ http://www.angularjstutorial.com/ Details of application structure and naming conventions can be found in a variety of pla...

...// add in the contents of rhs return ret; // return ret by value ,not by reference } 解决方法：+操作符包括两个操作数，应该重载为普通非成员函数。 注意重载操作符的形参数目（包括成员函数的隐式 this 指针）与操作符的操作...

...者，理解透本书60%内容已经是C++大神了。 目录： 译序by 候捷 译序by 於春景 目录 序言 by Scott Meyers 序言 by John Vlissides 前言 致谢 第一篇 技术（Techniques） 第1章 基于Policy的Class设计（Policy-Based Class Design） 第2章 技术（Te...

...译llvm时，报错：CMake Error at CMakeLists txt:729 (find_package): By not providing "FindPython3 cmake" in CMAKE_MODULE_PATH this project has asked 编译llvm时，报错： CMake Error at CMakeLists.txt:729 (find_package): By not providing "FindPython3.cmake" in CMAKE_MODULE_PATH thi...