utility

Java Utility Class vs. Service [closed]

由 随声附和 提交于 2019-11-26 15:45:37
问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 12 months ago . What's the difference in Java between a utility class (a class with static methods) and a Service class (a class with public methods that provides a "service"). For example, one can argue that a cryptographic object (providing methods to encrypt, decrypt, hash or get a salt

Converting newline formatting from Mac to Windows

由 时光总嘲笑我的痴心妄想 提交于 2019-11-26 15:40:59
I need a conversion utility/script that will convert a .sql dump file generated on Mac to one readable on Windows. This is a continuation of a problem I had here . The issue seems to be with newline formatting in text files, but I can't find a tool to make the conversion... Windows uses carriage return + line feed for newline: \r\n Unix only uses Line feed for newline: \n In conclusion, simply replace every occurence of \n by \r\n . Both unix2dos and dos2unix are not by default available on Mac OSX. Fortunately, you can simply use Perl or sed to do the job: sed -e 's/$/\r/' inputfile >

Getting a device UDID from .mobileconfig

由 我是研究僧i 提交于 2019-11-26 12:24:42
问题 I\'m trying to write function similar to http://whatismyudid.com/ that, then approved, will return the users UDID and store it to a database for future reference with that user. I have written a .mobileconfig xml doc that opens in the Profile Installer just fine but when I tell it to install the profile it responds with [alert] Invalid Profile but no alert body. No description, no code, no help. I\'m new to the mobile configuration game so any help would thrill me. Here is my configuration

Implement touch using Python?

由 我的梦境 提交于 2019-11-26 08:52:58
问题 touch is a Unix utility that sets the modification and access times of files to the current time of day. If the file doesn\'t exist, it is created with default permissions. How would you implement it as a Python function? Try to be cross platform and complete. (Current Google results for \"python touch file\" are not that great, but point to os.utime.) 回答1: Looks like this is new as of Python 3.4 - pathlib. from pathlib import Path Path('path/to/file.txt').touch() This will create a file.txt

Implement touch using Python?

由 被刻印的时光 ゝ 提交于 2019-11-26 05:15:48
问题 touch is a Unix utility that sets the modification and access times of files to the current time of day. If the file doesn\'t exist, it is created with default permissions. How would you implement it as a Python function? Try to be cross platform and complete. (Current Google results for \"python touch file\" are not that great, but point to os.utime.) 回答1: Looks like this is new as of Python 3.4 - pathlib. from pathlib import Path Path('path/to/file.txt').touch() This will create a file.txt

Converting newline formatting from Mac to Windows

由 て烟熏妆下的殇ゞ 提交于 2019-11-26 04:32:04
问题 I need a conversion utility/script that will convert a .sql dump file generated on Mac to one readable on Windows. This is a continuation of a problem I had here. The issue seems to be with newline formatting in text files, but I can\'t find a tool to make the conversion... 回答1: Windows uses carriage return + line feed for newline: \r\n Unix only uses Line feed for newline: \n In conclusion, simply replace every occurence of \n by \r\n . Both unix2dos and dos2unix are not by default available
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