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Programmatically retrieve memory usage on iPhone

...ware about ObjectAlloc/Leaks. I'm not interested in those, only to know if it's possible to write some code and get the amount of bytes being used and report it via NSLog. ...
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urlencode vs rawurlencode?

... It will depend on your purpose. If interoperability with other systems is important then it seems rawurlencode is the way to go. The one exception is legacy systems which expect the query string to follow form-encoding style ...
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but

...See the C FAQ, Question 1.32 Q: What is the difference between these initializations? char a[] = "string literal"; char *p = "string literal"; My program crashes if I try to assign a new value to p[i]. A: A string literal (the formal term for a double-quoted string in C source) c...
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Iterating each character in a string using Python

In C++, I can iterate over an std::string like this: 8 Answers 8 ...
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Excel: last character/string match in a string

...tions? I.e. not the last character/string of the string, but the position of a character/string's last occurrence in a string. Search and find both work left-to-right so I can't think how to apply without lengthy recursive algorithm. And this solution now seems obsolete. ...
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Create a menu Bar in WPF?

... <DockPanel> <Menu DockPanel.Dock="Top"> <MenuItem Header="_File"> <MenuItem Header="_Open"/> <MenuItem Header="_Close"/> <MenuItem Header="_Save"/> </MenuItem> </Menu> <StackPanel&gt...
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How can jQuery deferred be used?

...t on the topic: var cache = {}; function getData( val ){ // return either the cached value or jqXHR object wrapped Promise return $.when( cache[ val ] || $.ajax('/foo/', { data: { value: val }, dataType: 'json', success: function( resp ...
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Subprocess changing directory

...call a command named cd. But cd is a shell internal. So you can only call it as subprocess.call('cd ..', shell=True) # pointless code! See text below. But it is pointless to do so. As no process can change another process's working directory (again, at least on a UNIX-like OS, but as well on Win...
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Difference between Node object and Element object?

...uld be one of the built-in DOM elements such as document or document.body, it could be an HTML tag specified in the HTML such as <input> or <p> or it could be a text node that is created by the system to hold a block of text inside another element. So, in a nutshell, a node is any DOM o...
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What's the use of ob_start() in php?

...Start remembering everything that would normally be outputted, but don't quite do anything with it yet." For example: ob_start(); echo("Hello there!"); //would normally get printed to the screen/output to browser $output = ob_get_contents(); ob_end_clean(); There are two other functions you typi...