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How do browser cookie domains work?

...m will be available for example.com Cookie with Domain=example.com will be converted to .example.com and thus will also be available for www.example.com Cookie with Domain=example.com will not be available for anotherexample.com www.example.com will be able to set cookie for example.com www.example....
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Is APC compatible with PHP 5.4 or PHP 5.5?

... apc isn't in svn.php.net/repository/pecl anymore. Repo has been converted to Git and can now be browsed at git.php.net/?p=pecl/caching/apc.git – Dereckson Oct 19 '13 at 23:47 ...
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Assign multiple columns using := in data.table, by group

... @dnlbrky dim returns a vector so converting that to type list should rotate it; e.g. [,c("rows","cols"):=as.list(dim(get(objectName))),by=objectNa‌​me]. Trouble is that as.list has call overhead and also copies the small vector. If efficiency is a proble...
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Difference between core and processor

...pensive. So, Intel introduced the concept of hyper threading i.e. it will convert the single CPU into two virtual CPUs i.e we have two cores for our task. Now the CPU is single, but it is only pretending (masqueraded) that it has a dual CPU and performs multiple tasks. But having real multiple core...
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How to organize a node app that uses sequelize?

... did not quite understand Sequelize, but to me doing things more than just selecting from one table wasn't really convenient. And where ordinarily you would use select from two or more tables, or a union in pure SQL, you would have to run separate queries, and with the async nature of Node it's just...
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SQL update trigger only when column is modified

...dDate, ModifiedUser, ModifiedHost, QtyToRepairOld, QtyToRepairNew) SELECT S.OrderNo, S.PartNumber, GETDATE(), SUSER_NAME(), HOST_NAME(), D.QtyToRepair, I.QtyToRepair FROM SCHEDULE S INNER JOIN Inserted I ON S.OrderNo = I.OrderNo and S.PartNumber = I.PartNumber INNER JOIN Dele...
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Fastest way to check if a string is JSON in PHP?

...r) i will receive object, but not array. json_decode($str, true) forces to convert into array. Why do complicated string in your code? Check for is_array(json_decode($str, true)) and some time later when you read it you will understand that decoded must be only an array. Much harder to guess is_obje...
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Web-scraping JavaScript page with Python

...e/' r = Render(url) result = r.frame.toHtml() # This step is important.Converting QString to Ascii for lxml to process # The following returns an lxml element tree archive_links = html.fromstring(str(result.toAscii())) print archive_links # The following returns an array containing the URLs ra...
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LINQ .Any VS .Exists - What's the difference?

... Enumerable.Repeat("ABCDEFGHIJKLMNOPQRSTUVWXYZ", 13) .Select(s => { var cryptoResult = new byte[4]; new RNGCryptoServiceProvider().GetBytes(cryptoResult); return s[new Random(BitConverter.ToInt32(cryp...
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How to process POST data in Node.js?

...('end', () => { console.log('No more data'); }) }).listen(8080) Converting Buffers to Strings If you try this you will notice the chunks are buffers. If you are not dealing with binary data and need to work with strings instead I suggest use request.setEncoding method which causes the st...