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Efficient SQL test query or validation query that will work across all (or most) databases

...for idleness. For example, the JDBC pooling library c3p0 has a property called preferredTestQuery , which gets executed on the connection at configured intervals. Similarly, Apache Commons DBCP has validationQuery . ...
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How to get HTTP Response Code using Selenium WebDriver

... the response code of a http request using Selenium and Chrome or Firefox. All you have to do is start either Chrome or Firefox in logging mode. I will show you some examples below. java + Selenium + Chrome Here is an example of java + Selenium + Chrome, but I guess that it can be done in any lang...
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Concurrent.futures vs Multiprocessing in Python 3

... I wouldn't call concurrent.futures more "advanced" - it's a simpler interface that works very much the same regardless of whether you use multiple threads or multiple processes as the underlying parallelization gimmick. So, like virtuall...
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Scala Doubles, and Precision

...igDecimal: BigDecimal(1.23456789).setScale(2, BigDecimal.RoundingMode.HALF_UP).toDouble There are a number of other rounding modes, which unfortunately aren't very well documented at present (although their Java equivalents are). ...
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`staticmethod` and `abc.abstractmethod`: Will it blend?

... class abstractstatic(staticmethod): __slots__ = () def __init__(self, function): super(abstractstatic, self).__init__(function) function.__isabstractmethod__ = True __isabstractmethod__ = True class A(object): __metaclass__ = abc.AB...
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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术

...***************************************************************/ int enc_unicode_to_utf8_one(unsigned long unic, unsigned char *pOutput, int outSize) { assert(pOutput != NULL); assert(outSize >= 6); if ( unic <= 0x0000007F ) { // * U-000000...
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Is there a RegExp.escape function in Javascript?

... actually, we don't need to escape / at all – thorn̈ Feb 14 '13 at 20:53 29 ...
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Get encoding of a file in Windows

This isn't really a programming question, is there a command line or Windows tool (Windows 7) to get the current encoding of a text file? Sure I can write a little C# app but I wanted to know if there is something already built in? ...
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Access-control-allow-origin with multiple domains

...onfig I would like to specify more than one domain for the access-control-allow-origin directive. I don't want to use * . I've tried this syntax: ...
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How to load db:seed data into test database automatically?

...ore every test or just once at the beginning. You could put it in a setup call or in a test_helper.rb file. share | improve this answer | follow | ...