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Accurate way to measure execution times of php scripts

...otime — Return current Unix timestamp with microseconds If get_as_float is set to TRUE, then microtime() returns a float, which represents the current time in seconds since the Unix epoch accurate to the nearest microsecond. Example usage: $start = microtime(true); while (...) { } $...
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Any way to delete in vim without overwriting your last yank? [duplicate]

... Pass to the _ register, the black hole. To delete a line without sticking it in the registers: "_dd See also :help registers. It's probably safest, if you want to paste something over and over again, to yank it into a "named" regist...
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What does the slash mean in help() output?

...meters could only be specified in the C API. It means the key argument to __contains__ can only be passed in by position (range(5).__contains__(3)), not as a keyword argument (range(5).__contains__(key=3)), something you can do with positional arguments in pure-python functions. Also see the Argum...
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What is the difference between Amazon S3 and Amazon EC2 instance?

I need to create a web application using php mysql and html. The no.of requests and data will be very high. I need Amazon server space. ...
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How do you run CMD.exe under the Local System Account?

...d Server 2003. Per my and Bryant's testing, we've identified that the same approach does not work with Vista or Windows Server 2008 -- most probably due to added security and the /interactive switch being deprecated. However, I came across this article which demonstrates the use of PSTools from Sy...
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Equals(=) vs. LIKE

...the = comparison operator: mysql> SELECT 'ä' LIKE 'ae' COLLATE latin1_german2_ci; +-----------------------------------------+ | 'ä' LIKE 'ae' COLLATE latin1_german2_ci | +-----------------------------------------+ | 0 | +----------------------------------...
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VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术

...在以下三种情况出现。 (1)调用abort函数,并且设置了_CALL_REPORTFAULT选项(这个选项在Release版本是默认设置的)。 (2)启用了运行时安全检查选项,并且在软件运行时检查出安全性错误,例如出现缓存溢出。(安全检查选项 ...
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How to set the prototype of a JavaScript object that has already been instantiated?

... EDIT Feb. 2012: the answer below is no longer accurate. __proto__ is being added to ECMAScript 6 as "normative optional" which means it isn't required to be implemented but if it is, it must follow the given set of rules. This is currently unresolved but at least it will be offici...
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What is the best AJAX library for Django? [closed]

... the Django world and is what I personally use. Most notably, many of the apps in Pinax require jQuery. Some other shared apps and code snippets for Django: http://www.djangosnippets.org/tags/jquery/ http://code.google.com/p/django-ajax-validation/ http://code.google.com/p/django-todo/ http://cod...
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Core dump file analysis [duplicate]

...ts possible to run gdb path/to/the/binary path/to/the/core when coredumped app is not compiled with -g flag, but path/to/the/binary is same version app, but with -g flag? – PSIAlt Nov 18 '12 at 10:45 ...