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Why is “if not someobj:” better than “if someobj == None:” in Python?
... does not explain that tuples, lists, dicts, strs, unicodes, ints, floats, etc. have a nonzero. It is much more common to rely on the truth value of built-in type than to rely on a custom nonzero method.
– ddaa
Sep 19 '08 at 11:32
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Putty: Getting Server refused our key Error
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@user1046647 LogLevel is defined in /etc/ssh/sshd_config. The default log is /var/log/auth.log unless defined otherwise in sshd_config.
– Axel Kemper
Feb 8 '15 at 15:10
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项目管理实践【四】Bug跟踪管理【Bug Trace and Management】 - 项目管理 -...
...版本下载：http://downloads.sourceforge.net/bugnet/BugNET-0.7.921-Install.zip
源代码下载：http://downloads.sourceforge.net/bugnet/BugNET-0.7.921-Source.zip
英文文档：http://bugnetproject.com/Documentation/tabid/57/topic/Installation/Default.aspx
它具有发送邮件、生成报表...
Finding current executable's path without /proc/self/exe
... SunOS, Solaris, SYSV, HPUX, Concentrix, SCO, Darwin, AIX, OS X, Nextstep, etc. And with a little modification probably VMS, VM/CMS, DOS/Windows, ReactOS, OS/2, etc. If a program was launched directly from a GUI environment, it should have set argv[0] to an absolute path.
Understand that almos...
How to use Morgan logger?
...s of: remote ip, request method, http version, response status, user agent etc. It allows you to modify the log using tokens or add color to them by defining 'dev' or even logging out to an output stream, like a file.
For the purpose we thought we can use it, as in this case, we still have to use:
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How to change the CHARACTER SET (and COLLATION) throughout a database?
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_bin -- just compare the bits; don't consider case folding, accents, etc
_ci -- explicitly case insensitive (A=a) and implicitly accent insensitive (a=á)
_ai_ci -- explicitly case insensitive and accent insensitive
_as (etc) -- accent-sensitive (etc)
_bin -- simple, fast
_ge...
NGinx Default public www location?
...th was "/usr/share/nginx/html". Looking at default configuration file in /etc/nginx/sites-available/default showed the path to be the same as the --prefix path. But the configuration file located at /etc/nginx/conf.d/default.conf listed the root as /usr/share/nginx/html. The default.conf file tak...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... mongod like this to avoid performance problems: numactl –interleave=all mongod [other options]
当时我并不太清楚NUMA是什么东西，所以没有处理，只是把问题反馈给了运维人员，后来知道运维人员也没有理会这茬儿，所以问题的序幕就这样拉开...
How can I color Python logging output?
...ndlers or propagated to other loggers. If you have configured file loggers etc. you probably don't want to have the colors in the log files. To avoid that, it's probably best to simply create a copy of record with copy.copy() before manipulating the levelname attribute, or to reset the levelname to ...
Queries vs. Filters
...ually a case that a filter is appropriate. So maybe by age, length, size, etc etc
– Zach
Jan 30 '13 at 20:44
My solut...