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How do PHP sessions work? (not “how are they used?”)

... In the general situation : the session id is sent to the user when his session is created. it is stored in a cookie (called, by default, PHPSESSID) that cookie is sent by the browser to the server with each request the server (PHP) uses th...
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Why 0 is true but false is 1 in the shell?

The above will output 1 , which is contradictory with all other programming languages I know. 10 Answers ...
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What characters are allowed in an email address?

...: Simple Mail Transfer Protocol. RFC 822 also covers email addresses, but it deals mostly with its structure: addr-spec = local-part "@" domain ; global address local-part = word *("." word) ; uninterpreted ; case-preserve...
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Reflection - get attribute name and value on property

I have a class, lets call it Book with a property called Name. With that property, I have an attribute associated with it. ...
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Why can't I see the “Report Data” window when creating reports?

... the controls on to my report while not running, run the project and while it's running I can put the fields in.... 11 Answ...
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Algorithm for creating a school timetable

I've been wondering if there are known solutions for algorithm of creating a school timetable. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teacher...
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Convert a float64 to an int in Go

... can use fmt.Sprintf to convert anything to a string, and then strconv it to the data type I need, but this extra conversion seems a bit clumsy - is there a better way to do this? ...
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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra

Been using SVN branches with Tortoise 1.6. I've been periodically merging the trunk into the branch to keep it up to date. ...
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What are best practices for multi-language database design? [closed]

...anguage : varchar (e.g. "en-US", "de-CH") IsDefault : bit ProductDescription : nvarchar <any other localized data> With this approach, you can handle as many languages as needed (without having to add additional fields for each new language). Update (2014-12-14): pleas...
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What is the meaning of the /dist directory in open source projects?

... I first saw a dist/ directory in many open source projects, usually on GitHub, I've been wondering what it means. 4 Answ...