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How do I use IValidatableObject?

... Prop1 = 1, Prop2 = 2 }; bool validateAllProperties = false; var results = new List<ValidationResult>(); bool isValid = Validator.TryValidateObject( toValidate, new ValidationContext(toValidate, null, null), ...
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Programmatically Request Access to Contacts

...ss to the address book must be granted before it can be access programmatically. Here is what I ended up doing. #import <AddressBookUI/AddressBookUI.h> // Request authorization to Address Book ABAddressBookRef addressBookRef = ABAddressBookCreateWithOptions(NULL, NULL); if (ABAddress...
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Try catch statements in C

... exceptions but you can simulate them to a degree with setjmp and longjmp calls. static jmp_buf s_jumpBuffer; void Example() { if (setjmp(s_jumpBuffer)) { // The longjmp was executed and returned control here printf("Exception happened here\n"); } else { // Normal code execution s...
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How to replace spaces in file names using a bash script

...whole question is about micro-optimizing more or less. Isn't it fun, after all? ;-) – Michael Krelin - hacker Apr 26 '10 at 18:33 17 ...
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Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?

... and shared objects are just different terms for the same thing - Windows calls them DLLs, while on UNIX systems they're shared objects, with the general term - dynamically linked library - covering both (even the function to open a .so on UNIX is called dlopen() after 'dynamic library'). They are ...
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Why would $_FILES be empty when uploading files to PHP?

I have WampServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads...
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Python memoising/deferred lookup property decorator

...nce, but they're a real bottleneck to calculate that first time and only really accessed for special cases. Hence they can also be cached after they've been retrieved from the database (this therefore fits the definition of memoisation where the input is simply "no input"). ...
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How to check BLAS/LAPACK linkage in NumPy and SciPy?

... Given its widespread usefulness, numpy.__config__ should really be a public API. Nonetheless, you win this round, davost. – Cecil Curry Feb 5 '16 at 5:51 2 ...
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background function in Python

...em is. I've got a function that downloads the image needed and saves it locally. Right now it's run inline with the code that displays a message to the user, but that can sometimes take over 10 seconds for non-local images. Is there a way I could call this function when it's needed, but run it in t...
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Printf width specifier to maintain precision of floating-point value

...ier which can be applied to a floating point specifier that would automatically format the output to the necessary number of significant digits such that when scanning the string back in, the original floating point value is acquired? ...