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How to find out line-endings in a text file?
...ve you an indication of the type of line endings.
Unix:
$ file testfile1.txt
testfile.txt: ASCII text
"DOS":
$ file testfile2.txt
testfile2.txt: ASCII text, with CRLF line terminators
To convert from "DOS" to Unix:
$ dos2unix testfile2.txt
To convert from Unix to "DOS":
$ unix2dos testfil...
机器视觉成争夺焦点 应用场景将加速拓展 - 资讯 - 清泛网 - 专注C/C++及内核技术
...息，处理并加以理解，最终用于实际检测、测量和控制。完整的机器视觉系统一般包括光源、镜头、相机、图像采集卡、图像处理单元、核心软件、监视器、通讯以及输入输出单元等。
相比于人眼观测，机器视觉具有自动化、...
How to safely open/close files in python 2.4
...ally fail.
Hence use close() elegantly with try/finally:
f = open('file.txt', 'r')
try:
# do stuff with f
finally:
f.close()
This ensures that even if # do stuff with f raises an exception, f will still be closed properly.
Note that open should appear outside of the try. If open itsel...
Looking for a 'cmake clean' command to clear up CMake output
...ough directories removing files like cmake_install.cmake and CMakeCache.txt , and the CMakeFiles folders.
21 Answers
...
Is it better to specify source files with GLOB or each file individually in CMake?
...d in one place: on
disk. Not globbing creates
duplication.
Your CMakeLists.txt file will be
shorter. This is a big plus if you
have lots of files. Not globbing
causes you to lose the CMake logic
amongst huge lists of files.
The advantages of using hardcoded file lists are:
CMake will track the d...
git: diff between file in local repo and origin
... file to the local file:
git diff remotename/branchname:remote/path/file1.txt local/path/file1.txt
To view the differences in the other direction:
git diff HEAD:local/path/file1.txt remotename/branchname:remote/path/file1.txt
Basically you can diff any two files anywhere using this notation:
...
How to load program reading stdin and taking parameters in gdb?
... you'd do it like this:
% gdb myprogram
gdb> run params ... < input.txt
This seems to work within emacs too.
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How to replace (or strip) an extension from a filename in Python?
...d do what you want.
import os
print os.path.splitext('/home/user/somefile.txt')[0]+'.jpg'
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How to open a file using the open with statement
...gle with. You comma-separate them. Your code would then be:
def filter(txt, oldfile, newfile):
'''\
Read a list of names from a file line by line into an output file.
If a line begins with a particular name, insert a string of text
after the name before appending the line to the ...
Getting rid of \n when using .readlines() [duplicate]
I have a .txt file with values in it.
11 Answers
11
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