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How come an array's address is equal to its value in C?
...rent types, so array+1 and &array+1 will not be equal if the array is more than 1 element long).
There are two exceptions to this: when the array name is an operand of sizeof or unary & (address-of), the name refers to the array object itself. Thus sizeof array gives you the size in bytes ...
JQuery Event for user pressing enter in a textbox?
...uery that's triggered only if the user hits the enter button in a textbox? Or any plugin that can be added to include this? If not, how would I write a quick plugin that would do this?
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What does the filter parameter to createScaledBitmap do?
...ates that (at least by default) the FILTER flag causes it to do a straightforward bilinear interpolation. Check Wikipedia or your favorite graphics reference to see what the expected consequences are. Traditionally, you want to do bilinear or bicubic interpolation when upsizing images, and area av...
String to Dictionary in Python
...6+, otherwise you can use the excellent third-party simplejson module.
import json # or `import simplejson as json` if on Python < 2.6
json_string = u'{ "id":"123456789", ... }'
obj = json.loads(json_string) # obj now contains a dict of the data
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What's the difference between MemoryCache.Add and MemoryCache.Set?
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Add does nothing (returns false) if there is already a value for that key. Set does an insert or update, as necessary.
Remove + Add would leave a gap in the middle when another thread querying that key would get no clue (Set does not; the swap is typically atomic); as such, while Set h...
Maven: missing net.sf.json-lib
I found net.sf.json-lib in the central repository . Copy-pasted the dependency (with version 2.3), and then when I build I get this error:
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When does static class initialization happen?
...rivate static methods used to instantiate private static fields called (in order) at that instant?
3 Answers
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std::wstring VS std::string
...differences between std::string and std::wstring . I know wstring supports wide characters such as Unicode characters. I have got the following questions:
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What does “zend_mm_heap corrupted” mean
...udden I've been having problems with my application that I've never had before. I decided to check the Apache's error log, and I found an error message saying "zend_mm_heap corrupted". What does this mean.
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Difference between char* and const char*?
...ocation(s) this pointer points to. Also, compilers are required to give error messages when you try to do so. For the same reason, conversion from const char * to char* is deprecated.
char* const is an immutable pointer (it cannot point to any other location) but the contents of location at which i...