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HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...参数的设置 log 127.0.0.1 local0 info # log语法:log <address_1>[max_level_1] # 全局的日志配置,使用log关键字,指定使用127.0.0.1上的syslog服务中的local0日志设备,记录日志等级为info的日志 user haproxy group haproxy # 设置运行hapro...
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In Flux architecture, how do you manage Store lifecycle?

...cher. Moving from one pseudo-page to another would probably involve a PAGE_UPDATE action, which would trigger the invocation of initialize(). There are details to work out around retrieving data from the local cache, retrieving data from the server, optimistic rendering and XHR error states, but t...
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“Pretty” Continuous Integration for Python

...h a hudson config execute script like: /var/lib/hudson/venv/main/bin/hudson_script.py -w $WORKSPACE -p my.package -v $BUILD_NUMBER, just put in **/coverage.xml, pylint.txt and nosetests.xml in the config bits: #!/var/lib/hudson/venv/main/bin/python import os import re import subprocess import loggi...
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh

...nk your python version is 2.X, the super would work when adding this code __metaclass__ = type so the code is __metaclass__ = type class B: def meth(self, arg): print arg class C(B): def meth(self, arg): super(C, self).meth(arg) print C().meth(1) ...
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Check if a class has a member function of a given signature

...compile-time. Example from my code (tests if class has member function size_t used_memory() const). template&lt;typename T&gt; struct HasUsedMemoryMethod { template&lt;typename U, size_t (U::*)() const&gt; struct SFINAE {}; template&lt;typename U&gt; static char Test(SFINAE&lt;U, &amp;U::us...
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C default arguments

.... Define a companion struct: typedef struct { int i; double x; } f_args; Rename your function f_base, and define a wrapper function that sets defaults and calls the base: double var_f(f_args in){ int i_out = in.i ? in.i : 8; double x_out = in.x ? in.x : 3.14; return f_base(i_...
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Which characters are valid in CSS class names/selectors?

...tly at the CSS grammar. Basically1, a name must begin with an underscore (_), a hyphen (-), or a letter(a–z), followed by any number of hyphens, underscores, letters, or numbers. There is a catch: if the first character is a hyphen, the second character must2 be a letter or underscore, and the n...
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Can anyone explain python's relative imports?

...from package "sub". start.py is not itself in a package even if there is a __init__.py present. You would need to start your program from one directory over parent.py: ./start.py ./pkg/__init__.py ./pkg/parent.py ./pkg/sub/__init__.py ./pkg/sub/relative.py With start.py: import pkg.sub.relativ...
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Python mysqldb: Library not loaded: libmysqlclient.18.dylib

... a slightly different spot: sudo ln -s /usr/local/mysql-5.5.29-osx10.6-x86_64/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib – Matt Apr 2 '14 at 16:35 ...
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How to convert CFStringRef to NSString?

...e using ARC, the new casting syntax is as follows: NSString *aNSString = (__bridge NSString *)aCFString; works as well. The key thing to note is that CoreFoundation will often return objects with +1 reference counts, meaning that they need to be released (all CF[Type]Create format functions do th...