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Iterate two Lists or Arrays with one ForEach statement in C#

...ic class Pair<TFirst, TSecond> { private readonly TFirst _first; private readonly TSecond _second; private int _hashCode; public Pair(TFirst first, TSecond second) { _first = first; _second = second; } public...
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

...s for this example NSFetchedResultsController *fetchedResultsController_; NSFetchedResultsController *searchFetchedResultsController_; NSManagedObjectContext *managedObjectContext_; // The saved state of the search UI if a memory warning removed the view. NSString *savedS...
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Why does this go into an infinite loop?

...mpiled bytecode, as produced by javap -c, with my comments): 8: iload_1 // Remember current value of x in the stack 9: iinc 1, 1 // Increment x (doesn't change the stack) 12: istore_1 // Write remebered value from the stack to x For comparison, x = ++x: 8: ...
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How do I abort the execution of a Python script? [duplicate]

... Prints "aa! errors!" and exits with a status code of 1. There is also an _exit() function in the os module. The sys.exit() function raises a SystemExit exception to exit the program, so try statements and cleanup code can execute. The os._exit() version doesn't do this. It just ends the program...
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Is 'switch' faster than 'if'?

... your specific questions: Clang generates one that looks like this: test_switch(char): # @test_switch(char) movl %edi, %eax cmpl $19, %edi jbe .LBB0_1 retq .LBB0_1: jmpq *.LJTI0_0(,%rax,8) jmp void call<0u&g...
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Are lists thread-safe?

... PyList_Append is reading from memory. Do you mean that its reads and writes happen in the same GIL lock? github.com/python/cpython/blob/… – amwinter Sep 24 '14 at 13:13 ...
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Recommendations of Python REST (web services) framework? [closed]

...services: import web import json from mimerender import mimerender render_xml = lambda message: '<message>%s</message>'%message render_json = lambda **args: json.dumps(args) render_html = lambda message: '<html><body>%s</body></html>'%message render_txt = lambda...
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How to write iOS app purely in C

...or parameters passed in remain the same whether or not // you are using VA_ARGS. This is actually the basis of the objective-c // runtime (objc_msgSend), so we are probably fine here, this would be // the last thing I would expect to break. extern int UIApplicationMain(int, ...); // Entry point ...
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windows异常处理 __try __except - C/C++ - 清泛网 - 专注C/C++及内核技术

windows异常处理 __try __excepttry-except用法  try except是windows 系统独有的异常处理模型,windows的异常处理模式,称为SEH( structured exception handling ...try-except用法   try except是windows 系统独有的异常处理模型,windows的异常处理模式,...
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Mongoose query where value is not null

...ry The up-to-date doc about it, is here: mongoosejs.com/docs/api.html#query_Query-ne – zeropaper Jul 20 '14 at 7:52 Ho...