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How to create a hex dump of file containing only the hex characters without spaces in bash?
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fyi To reverse the process: xxd -r -ps hexascii.txt file (it is ok with or without newlines)
– Curtis Yallop
May 27 '14 at 23:19
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Git: Remove committed file after push
...you can check on which commits the file was changed.
git log path/to/file.txt
Then you can checkout the file with the revision number.
git checkout 3cdc61015724f9965575ba954c8cd4232c8b42e4 /path/to/file.txt
After that you can commit and push it again.
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Hashing a file in Python
...y_essentials import hashing as hs
hash = hs.fileChecksum("path/to/the/file.txt", "sha256")
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What is the purpose of class methods?
...ource,dest):pass
def moveDir(source,dest):pass
//usage
FileUtil.copy("1.txt","2.txt")
FileUtil.moveDir("dir1","dir2")
This way is more flexible and more maintainable, you group functions together and its more obvious to what each function do. Also you prevent name conflicts, for example the fun...
How to export data as CSV format from SQL Server using sqlcmd?
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sqlcmd -S myServer -d myDB -E -o "MyData.txt" ^
-Q "select bar from foo" ^
-W -w 999 -s","
The last line contains CSV-specific options.
-W remove trailing spaces from each individual field
-s"," sets the column seperator to the comma (,)
-w 999 ...
Batch file to delete files older than N days
...* /d:%1 /L /I null') do if exist %%~nxa echo %%~nxa >> FILES_TO_KEEP.TXT
for /f "tokens=*" %%a IN ('xcopy *.* /L /I /EXCLUDE:FILES_TO_KEEP.TXT null') do if exist "%%~nxa" del "%%~nxa"
This deletes files older than a given date. I'm sure it can be modified to go back seven days from the curre...
Bash script to set up a temporary SSH tunnel
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$ sudo bash; exit
or sometimes:
$ : > sensitive-temporary-data.txt; bash; rm -f sensitive-temporary-data.txt; exit
These commands create a nested shell where I can do all my work; when I'm finished I hit CTRL-D and the parent shell cleans up and exits as well. You could easily throw ba...
How to create a new java.io.File in memory?
...Path("/foo");
Files.createDirectory(foo);
Path hello = foo.resolve("hello.txt"); // /foo/hello.txt
Files.write(hello, ImmutableList.of("hello world"), StandardCharsets.UTF_8);
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Do I need to manually close an ifstream?
... <fstream>
using std::ofstream;
int main() {
ofstream ofs("hello.txt");
ofs << "Hello world\n";
return 0;
}
writes file contents. But:
#include <stdlib.h>
#include <fstream>
using std::ofstream;
int main() {
ofstream ofs("hello.txt");
ofs << "Hello wor...
SSMS插件开发指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
... }
#endregion
}
}
运行效果：
工程源代码下载：SSMSAddin.zip。
该部分源码研究通过查阅英文资料、反编译ssmsboost等，对于有SSMS插件开发需求的小伙伴们，应该能够少走很多弯路。
（http://www.ssmsboost.com/ 一款功...