Address: http://alphawang.com/blog/2014/09/utility-classes-are-evil/
This post is a summary of this artical and this one.What's Utility Classes
A utility class is a class filled with static methods. It is usually used to isolate a "useful"
Turn http://jingyan.baidu.com/article/425e69e6b142d1be15fc16dc.html
Microsoft Windows [version 6.1.7600]Copyright (c) Microsoft Corporation. All rights reserved.C:\users\administrator>tnspingTNS Ping Utility for 32-bit windows:version 10.2.0.1.0-
This article
Article The purpose is to describe how to use Lotus Domino
Program (Updall, compact, fixup) for normal and abnormal maintenance.
Answer:
Directory
I. Utility: updall, compact, fixup
A. updall
B. Compact
C. fixup
Ii. Utilities for
1, after the establishment of dataguard, archive log transmission but to view the master database on the log tail-fdataoraclediagrdbmstest_m1powerdestracealert_powerdes.log, the display information is as follows: SunMay0800: 34:
1,Dataguardafter the build, the archive log transfer is not over.To see the logs above the master libraryTail–f/data/oracle/diag/rdbms/test_m1/powerdes/trace/alert_powerdes.log, the following information is displayed:Sun May 08 00:34:17 2016Error 103
for every developer who wants to develop a web crawler with Python, Scrapy is undoubtedly an excellent open source tool. After installing today, I feel that the installation of scrapy is not easy. So in this blog post, the next few detours.Needless
Ubuntu14.04 Removing the installation package from installing the software to uninstalling the softwareA detailed description of the Linux wget command usage (with an example)========================================== The following is reproduced ====
Five Best Linux Command Line archiving tools
In our daily work, archive files on various platforms may be Windows, Mac, or Linux. Several applications can be used to create and decompress archive files on all platforms. Speaking of working on the
JDK command details (2)-General Linux technology-Linux programming and kernel information. The following is a detailed description. Keytool
Function Description:
Manage a key warehouse (database) consisting of a private key and an X.509 Certificate
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