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Best way to clear a PHP array's values

...Like Zack said in the comments below you are able to simply re-instantiate it using $foo = array(); // $foo is still here If you want something more powerful use unset since it also will clear $foo from the symbol table, if you need the array later on just instantiate it again. unset($foo); // ...
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

...iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept: ...
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Find the last element of an array while using a foreach loop in PHP

I am writing a SQL query creator using some parameters. In Java, it's very easy to detect the last element of an array from inside the for loop by just checking the current array position with the array length. ...
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ES6 class variable alternatives

...he syntax: varName = value Inside a class declaration/expression body and it will define a variable. Hopefully in a few months/weeks I'll be able to post an update. Update: Chrome 74 now ships with this syntax working. The notes in the ES wiki for the proposal in ES6 (maximally minimal classes) no...
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Can you nest html forms?

Is it possible to nest html forms like this 20 Answers 20 ...
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Why doesn't JUnit provide assertNotEquals methods?

Does anybody know why JUnit 4 provides assertEquals(foo,bar) but not assertNotEqual(foo,bar) methods? 11 Answers ...
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insert vs emplace vs operator[] in c++ map

... I will start explaining those. The operator[] is a find-or-add operator. It will try to find an element with the given key inside the map, and if it exists it will return a reference to the stored value. If it does not, it will create a new element inserted in place with default initialization and...
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TypeError: 'NoneType' object is not iterable in Python

What does error TypeError: 'NoneType' object is not iterable mean? 7 Answers 7 ...
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Makefiles with source files in different directories

... The traditional way is to have a Makefile in each of the subdirectories (part1, part2, etc.) allowing you to build them independently. Further, have a Makefile in the root directory of the project which builds everything. The "root"...
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log4net vs. Nlog

... direct dependencies. If we end up using Enterprise Library for other facilities, then use it for Logging, too. If we end up using something with a dependency on Log4Net, use Log4Net. If none of the above, use NLog. Which I'd prefer. That's based on these findings (opinions!): All 3 frameworks a...