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Sending an HTTP POST request on iOS

... and initialize it. NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; Set the Url for which your going to send the data to that request. [request setURL:[NSURL URLWithString:@"http://www.abcde.com/xyz/login.aspx"]]; Now, set HTTP method (POST or GET). Write this lines as it...
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How does delete[] know it's an array?

...ck of how many objects need to be deleted somehow. It may do this by over-allocating enough to store the array size. For more details, see the C++ Super FAQ. share | improve this answer |...
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Reference: Comparing PHP's print and echo

... a dedicated SAPI function). Speed: echo x vs print x Unlike echo, print allocates a temporary variable. However, the amount of time spent on this activity is minuscule, so the difference between these two language constructs is negligible. Speed: echo a,b,c vs echo a.b.c The first one compiles...
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urlencode vs rawurlencode?

...ster int x, y; unsigned char *str; str = (unsigned char *) safe_emalloc(3, len, 1); for (x = 0, y = 0; len--; x++, y++) { str[y] = (unsigned char) s[x]; #ifndef CHARSET_EBCDIC if ((str[y] < '0' && str[y] != '-' && str[y] != '.') || (str[y] ...
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Why do you not use C for your web apps?

... handed to the server, it's up to the programmer to make sure to correctly allocate memory. G-WAN has some abstraction around query parameters but that's not going to completely save you. I'm not saying that correctly done, C web programming can't be secure and fast, but it is more susceptible to h...
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Adding values to a C# array

...might be concerned about performance. The most efficient method is likely allocating a new array and then using Array.Copy or Array.CopyTo. This is not hard if you just want to add an item to the end of the list: public static T[] Add<T>(this T[] target, T item) { if (target == null) ...
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Resumable downloads when using PHP to send the file?

...a "PHP Fatal error: Allowed memory size of XXXX bytes exhausted (tried to allocate XXX bytes) in ". In my case 100MB was too big. You basically save all file in a variable and the spit it out. – sarah.ferguson Jan 29 '16 at 16:56 ...
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Increasing (or decreasing) the memory available to R processes

...sical RAM you have installed. If you get the error that R cannot allocate a vector of length x, close out of R and add the following line to the ``Target'' field: --max-vsize=500M or as appropriate. You can always check to see how much memory R has available by typing a...
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Is Java really slow?

...bandwidth bound (caching, etc.) this makes it slower. The flipside is that allocation/deallocation is blazing fast (highly optimized). This is a feature of most high-level languages now, and due to objects and use of GC rather than explicit memory allocation. Plus bad library decisions. Streams-bas...
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Regular expression to match a word or its prefix

...u need the match or not. If you don't, better use the non-capture group to allocate more memory for calculation instead of storing something you will never need to use. share | improve this answer ...