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[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...程序文件菜单中会生成两个菜单项分别是打印（标识符ID_FILE_PRINT）和打印预览(标识符：ID_FILE_PRINT_PREVIEW)，展开程序源代码，可以发现，是CVIEW类提供标准打印和打印预览菜单命令的消息处理函数：
设应用程序视图类为CMyView,展...
Gradle does not find tools.jar
...did I created a new environment variable JAVA_HOME:
And then you need to edit your PATH variable to include JAVA_HOME, i.e. %JAVA_HOME%/bin;
Re-open command prompt and should run.
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impr...
Numpy - add row to array
...it is a 2D-array, how can you then compare its row to a number: i < 3?
EDIT after OP's comment:
A = array([[0, 1, 2], [0, 2, 0]])
X = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]])
add to A all rows from X where the first element < 3:
import numpy as np
A = np.vstack((A, X[X[:,0] <...
How can I have linebreaks in my long LaTeX equations?
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edited Feb 11 at 9:32
answered May 18 '10 at 21:42
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How to add facebook share button on my website?
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edited Aug 15 '13 at 23:41
answered May 9 '13 at 15:04
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How to check whether a variable is a class or not?
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edited Apr 16 '16 at 23:23
Eric Leschinski
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Vim: insert the same characters across multiple lines
Sometimes I want to edit a certain visual block of text across multiple lines.
12 Answers
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How do you share code between projects/solutions in Visual Studio?
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edited Aug 24 '09 at 16:12
pupeno
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Deep copy of a dict in python
...1:30:00) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import copy
>>> my_dict = {'a': [1, 2, 3], 'b': [4, 5, 6]}
>>> my_copy = copy.deepcopy(my_dict)
>>> my_dict['a'][2] = 7
>>> my_copy['a...
Rspec doesn't see my model Class. uninitialized constant error
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edited Aug 27 '14 at 15:46
Erik Escobedo
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