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Parse error: Syntax error, unexpected end of file in my PHP code

... You should avoid this (at the end of your code): {?> and this: <?php} You shouldn't put brackets directly close to the open/close php tag, but separate it with a space: { ?> <?php { also avoid <? and use <?php ...
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Check string for palindrome

... @Vijay Tholpadi - It's just really a coding preference more than anything else. Post increment would accomplish same result in this particular example, but I always use pre increment unless there's a specific reason not to. – dcp ...
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Increasing the maximum number of TCP/IP connections in Linux

...local_port_range = 32768 61000 net.ipv4.tcp_fin_timeout = 60 This basically means your system cannot consistently guarantee more than (61000 - 32768) / 60 = 470 sockets per second. If you are not happy with that, you could begin with increasing the port_range. Setting the range to 15000 61000 is...
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What is the best Battleship AI?

...n test algorithms. Download Dreadnought 1.2. Strategies: keep track of all possible positions for ships that have >0 hits. The list never gets bigger than ~30K so it can be kept exactly, unlike the list of all possible positions for all ships (which is very large). The GetShot algorithm has ...
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe

... Here's how I solved it: open pip.exe in 7zip and extract __main__.py to Python\Scripts folder. In my case it was C:\Program Files (x86)\Python27\Scripts Rename __main__.py to pip.py Run it! python pip.py install something EDIT: If you want to be able to do pip install something...
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Separating class code into a header and cpp file

... So this means that all files that include your header file will "see" the private members. If for example you want to publish a lib and its header, you have to show the private members of the class? – Gauthier ...
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How to use JUnit to test asynchronous processes

...Test { /** * Data limit */ private static final int DATA_LIMIT = 5; /** * Countdown latch */ private CountDownLatch lock = new CountDownLatch(1); /** * Received data */ private List<Data> receiveddata; @Test public void testData...
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find() with nil when there are no records

... Yes, just do: Challenge.find_by_id(10) For Rails 4 and 5: Challenge.find_by(id: 10) share | improve this answer | ...
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Using Pairs or 2-tuples in Java [duplicate]

...to design this class further regarding equality, immutability, etc., especially if you plan to use instances as keys for hashing. share | improve this answer | follow ...
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Python Regex - How to Get Positions and Values of Matches

How can I get the start and end positions of all matches using the re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too. ...