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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl

...hy is this happening? The entire ext/mysql PHP extension, which provides all functions named with the prefix mysql_, was officially deprecated in PHP v5.5.0 and removed in PHP v7. It was originally introduced in PHP v2.0 (November 1997) for MySQL v3.20, and no new features have been added since 2...
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Default initialization of std::array?

...rantee that the syntax std::array<T, N> x; will default-initialize all the elements of the array ? 5 Answers ...
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What is 'Context' on Android?

...ect. It lets newly-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application). You can get the context by invoking getApplicationContext(), getContext(), getBaseContext() or this (when in a cl...
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How do you check in python whether a string contains only numbers?

....isdigit(): From the isdigit documentation: str.isdigit() Return True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handling, such as the compatibility superscript digits. This covers ...
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LINUX: Link all files from one to another directory [closed]

I want to link ( ln -s ) all files that are in /mnt/usr/lib/ into /usr/lib/ 4 Answers ...
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What do the icons in Eclipse mean?

...good for SO to have the answer for future reference; I wondered about them all the time when I was new to Eclipse (this was before I discovered SO). ...
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IntelliJ: How to auto-highlight variables like in Eclipse

... You'll definitely want to install the "Identifier Highlighter" plugin too, which allows you to easily navigate between highlighted usages. – Daniel Alexiuc Sep 20 '11 at 0:15 ...
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How to use IntelliJ IDEA to find all unused code?

When I am in a .java file the unused code is usually grayed out or has a green underline saying this code will probably (probably because of some weird JNI/Reflection corner cases) be unused. But I have this project with thousands of Java files and I want to find ALL INSTANCES of such probable-unuse...
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“Has invalid child element” warnings in Microsoft.Common.Targets while building

...k it to get more info, the Microsoft.Common.Targets pops up and then I get all on the warnings. 1 Answer ...
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Convert all strings in a list to int

In Python, I want to convert all strings in a list to integers. 4 Answers 4 ...