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open_basedir restriction in effect. File(/) is not within the allowed path(s):

... To resolve this error, you must edit the file httpd.conf. Way before it can be seen in phpinfo in apache2handler section directive Server Root. For example, in my case this way - / etc / httpd / httpd.conf. Open the file httpd.conf, find the mention of the parameter ope...
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How do I Search/Find and Replace in a standard string?

...oldStr, const std::string& newStr) { std::string::size_type pos = 0u; while((pos = str.find(oldStr, pos)) != std::string::npos){ str.replace(pos, oldStr.length(), newStr); pos += newStr.length(); } } ...
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Converting an integer to a hexadecimal string in Ruby

...ach: sprintf("%02x", 10).upcase see the documentation for sprintf here: http://www.ruby-doc.org/core/classes/Kernel.html#method-i-sprintf share | improve this answer | fol...
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Import and Export Excel - What is the best library? [closed]

... the new version of ExcelPackage is here http://EPPlus.codeplex.com I'm still fighting with the export to excel function since my application should export some data to excel-template 2007 this project seems fine to me, and the developer is very responsive to bugs...
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Why can't I do ?

...you choose "serverName/images you will be able to browse to it by going to http://serverName/images Then add the physical path on the C: drive Add the appropriate permissions to the folder on the C: drive for "NETWORK SERVICE" and "IIS AppPool\DefaultAppPool" Refresh Default Web Site And you're don...
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How to do stateless (session-less) & cookie-less authentication?

...ch thing. Whichever you do end up using, ensure it is sent to you safely. HTTPS protects you across the wire, but it doesn't protect you if you leak the session token via the URL (or worse, credentials via the URL). I would recommend using a header, or if that's not feasible, sending the token via ...
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How to add extra namespaces to Razor pages instead of @using declaration?

... I found this http://weblogs.asp.net/mikaelsoderstrom/archive/2010/07/30/add-namespaces-with-razor.aspx which explains how to add a custom namespace to all your razor pages. Basically you can make this using Microsoft.WebPages.Compilatio...
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How to calculate time in hours between two dates in iOS

...distanceBetweenDates / secondsInAnHour; See, the apple reference library http://developer.apple.com/library/mac/navigation/ or if you are using Xcode just select help/documentation from the menu. See: how-to-convert-an-nstimeinterval-seconds-into-minutes --edit: See ÐąrέÐέvil's answer below...
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Cell spacing in UICollectionView

...ction { return 20; } Swift version: func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat { return 20 } ...
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How can I calculate the difference between two dates?

...fference between two dates in days. #1. Using Calendar's dateComponents(_:from:to:) method import Foundation let calendar = Calendar.current let startDate = calendar.date(from: DateComponents(year: 2010, month: 11, day: 22))! let endDate = calendar.date(from: DateComponents(year: 2015, month: ...