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C dynamically growing array

...ve omitted safety checks for brevity) typedef struct { int *array; size_t used; size_t size; } Array; void initArray(Array *a, size_t initialSize) { a->array = malloc(initialSize * sizeof(int)); a->used = 0; a->size = initialSize; } void insertArray(Array *a, int element) { ...
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Can I force a page break in HTML printing?

...rome 69 and Firefox 62). Reference: https://www.w3schools.com/cssref/pr_print_pageba.asp https://developer.mozilla.org/en-US/docs/Web/CSS/page-break-after ; important note: here it's said This property has been replaced by the break-after property. but it didn't work for me with break-after. Als...
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Have a reloadData for a UITableView animate when changing

... Actually, it's very simple: [_tableView reloadSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:UITableViewRowAnimationFade]; From the documentation: Calling this method causes the table view to ask its data source for new cells for the ...
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Turn a simple socket into an SSL socket

...> You will need to initialize OpenSSL: void InitializeSSL() { SSL_load_error_strings(); SSL_library_init(); OpenSSL_add_all_algorithms(); } void DestroySSL() { ERR_free_strings(); EVP_cleanup(); } void ShutdownSSL() { SSL_shutdown(cSSL); SSL_free(cSSL); } Now fo...
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How do I Sort a Multidimensional Array in PHP [duplicate]

... You can use array_multisort() Try something like this: foreach ($mdarray as $key => $row) { // replace 0 with the field's index/key $dates[$key] = $row[0]; } array_multisort($dates, SORT_DESC, $mdarray); For PHP >= 5.5.0 j...
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Undefined symbols for architecture armv7

... in the Library Search Paths value in the Build Settings and add -l{library_name_without_lib_and_suffix} (eg. for libz.a use -lz) to the Other Linker Flags section of Build Settings. You copy files into your project but forgot to check the target to add the files to. To resolve: Open the Build Ph...
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ng-app vs. data-ng-app, what is the difference?

...- and data- from the front of the element/attributes. Convert the :, -, or _-delimited name to camelCase. Here are some equivalent examples of elements that match ngBind: based on above statement below all are valid directives 1. ng-bind 2. ng:bind 3. ng_bind 4. data-ng-bind 5. x-ng-bind ...
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Executing multi-line statements in the one-line command-line?

...ng a statement were an issue, this would work, but it doesn't: python -c "__import__('sys'); for r in range(10): print 'rob'" For your very basic example, you could rewrite it as this: python -c "import sys; map(lambda x: sys.stdout.write('rob%d\n' % x), range(10))" However, lambdas can only e...
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Convenient C++ struct initialisation

... MSVC. #include <iostream> #include <filesystem> struct hello_world { const char* hello; const char* world; }; int main () { hello_world hw = { .hello = "hello, ", .world = "world!" }; std::cout << hw.hello << hw.world << std::en...
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Cleaner way to do a null check in C#? [duplicate]

...n(string[] args) { Person nullPerson = null; var isNull_0 = nullPerson.IsNull(p => p.contact.address.city); var isNull_1 = new Person().IsNull(p => p.contact.address.city); var isNull_2 = new Person { contact = new Contact() }.IsNull(p => p.contact.addres...