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

In my local/development environment, the MySQLi query is performing OK. However, when I upload it on my web host environment, I get this error: ...
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?

Does javascript use immutable or mutable strings? Do I need a "string builder"? 10 Answers ...
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How to print to console in pytest?

I'm trying to use TDD (test-driven development) with pytest . pytest will not print to the console when I use print . ...
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Android Studio: how to attach Android SDK sources?

...lbar menus and download the "Sources for Android SDK" for the API level defined in your build.gradle file like compileSdkVersion 19 // compile with API level 19 Nothing else needs to be done. Note : Sources for SDK is available only for API levels 14 and above. UPDATE ( Based on stable release ...
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How to find whether or not a variable is empty in Bash

How can I check if a variable is empty in Bash? 10 Answers 10 ...
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MySQL indexes - what are the best practices?

I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white. ...
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ANTLR: Is there a simple example?

I'd like to get started with ANTLR, but after spending a few hours reviewing the examples at the antlr.org site, I still can't get a clear understanding of the grammar to Java process. ...
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npm windows install globally results in npm ERR! extraneous

I am new to grunt and npm. So I am trying some "cookbook-example" on the site ' http://tech.pro/tutorial/1190/package-managers-an-introductory-guide-for-the-uninitiated-front-end-developer#front_end_developers '. You should not have to look there now, but I thought it could be good to share the site...
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Should I store entire objects, or pointers to objects in containers?

Designing a new system from scratch. I'll be using the STL to store lists and maps of certain long-live objects. 10 Answer...
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What is a “translation unit” in C++

I am reading at the time the "Effective C++" written by Meyers and came across the term "translation unit". 11 Answers ...