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How to zip a whole folder using PHP

...ful undocumented method in the ZipArchive class: addGlob(); $zipFile = "./testZip.zip"; $zipArchive = new ZipArchive(); if ($zipArchive->open($zipFile, (ZipArchive::CREATE | ZipArchive::OVERWRITE)) !== true) die("Failed to create archive\n"); $zipArchive->addGlob("./*.txt"); if ($zipArc...
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How to solve the “failed to lazily initialize a collection of role” Hibernate exception

...one. I received the same response as you gave. Soon enough when I ran some test with hundreds of thousands of row, guess what happened ? I think it is misleading because it provides too simple of an answer for a problem that mostly beginners will face and soon enough they will have their whole datab...
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How to use mod operator in bash?

...le mathematically -12 mod 10 is 8, bash will calculate it as -2. You can test it with simple echo $((-12 % 10)) (-2) and compare it with python3 python3 -c "print(-12 % 10)" (8). – Lirt Jan 28 '19 at 22:39 ...
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?

...pproach suggested by mpaf uses much less memory, but is 2-3x slower for my test case. from django.core.paginator import Paginator def chunked_iterator(queryset, chunk_size=10000): paginator = Paginator(queryset, chunk_size) for page in range(1, paginator.num_pages + 1): for obj in ...
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How to convert a LocalDate to an Instant?

... In a unit test I am writing, I have a LocalDate, that is converted to a com.google.protobuf.Timestamp and then mapped back to a LocalDate via an Instant, both ways. When using the approach the accepted answer suggests, I get the expe...
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How to check that a string is a palindrome using regular expressions?

... In an oral test zou shoulsd go with "formalz it is impossible", but you should point out that some regex engines allow it. – Oliver A. Oct 9 '15 at 21:30 ...
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How to cache data in a MVC application

...class so its easy access and updated the constructor allow for DI for unit testing. Hope this helps. – WestDiscGolf Jan 8 '10 at 12:23 1 ...
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Check if a Class Object is subclass of another Class Object in Java

...()); } else { return false; } } } // Test the code System.out.println("isInheritedClass(new A(), new B()):" + isInheritedClass(new A(), new B())); System.out.println("isInheritedClass(new A(), new C()):" + isInheritedClass(new A(), new C())); System...
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How to convert a byte array to a hex string in Java?

...har[] HEX_ARRAY = "0123456789ABCDEF".toCharArray(); public static String bytesToHex(byte[] bytes) { char[] hexChars = new char[bytes.length * 2]; for (int j = 0; j < bytes.length; j++) { int v = bytes[j] & 0xFF; hexChars[j * 2] = HEX_ARRAY[v >>> 4]; he...
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What's the best way to retry an AJAX request on failure using jQuery?

...unning twice. You can copy-paste these snippets (as-is) to the console to test them share | improve this answer | follow | ...