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mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t

... reason. Unfortunately, by default such errors are not transferred to PHP, and all you've got is a cryptic error message mentioned above. Hence it is very important to configure PHP and MySQLi to report MySQL errors to you. And once you get the error message, fixing it will be a piece of cake. How...
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?

...ould almost never be used. (Making int 64-bit would waste cache footprint and memory bandwidth; x86-64 most efficiently supports 32 and 64-bit operand sizes) The behaviour for 8 and 16-bit operand sizes is the strange one. The dependency madness is one of the reasons that 16-bit instructions are a...
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Search and replace a line in a file in Python

I want to loop over the contents of a text file and do a search and replace on some lines and write the result back to the file. I could first load the whole file in memory and then write it back, but that probably is not the best way to do it. ...
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Is it possible to install iOS 6 SDK on Xcode 5?

...awhile since we updated; but they still accepted it after iOS 6 came out), and I currently build 10.5 apps with Xcode 5. See How to point Xcode to an old SDK so it can be used as a "Base SDK"? for details on how to set it up. You can use my fix-xcode script to link everything for you every time yo...
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Difference between “read commited” and “repeatable read”

...ame data again, it will find the previously read data in place, unchanged, and available to read. The next isolation level, serializable, makes an even stronger guarantee: in addition to everything repeatable read guarantees, it also guarantees that no new data can be seen by a subsequent read. Sa...
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How can I list ALL grants a user received?

... It would be interesting to left join the role_role_privs table and then CONNECT BY PRIOR granted_role = role to recurse into transitive role privileges... – Lukas Eder Oct 9 '14 at 8:25 ...
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Amazon products API - Looking for basic overview and information

... Product Advertising API (PA). It allows you programmatic access to search and retrieve product information from Amazon's catalog. If you're having trouble finding information on the API, that's because the web service has undergone two name changes in recent history: it was also known as ECS and AA...
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How to use Boost in Visual Studio 2010

... While Nate's answer is pretty good already, I'm going to expand on it more specifically for Visual Studio 2010 as requested, and include information on compiling in the various optional components which requires external libraries. If you are using headers only libraries, then all yo...
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What is the JSF resource library for and how should it be used?

The JSF <h:outputStylesheet> , <h:outputScript> and <h:graphicImage> components have a library attribute. What is this and how should this be used? There are a lot of examples on the web which use it as follows with the common content/file type css , js and img (or ima...
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What good are SQL Server schemas?

I'm no beginner to using SQL databases, and in particular SQL Server. However, I've been primarily a SQL 2000 guy and I've always been confused by schemas in 2005+. Yes, I know the basic definition of a schema, but what are they really used for in a typical SQL Server deployment? ...