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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
...usage with 1==1, while just using 1 will replace 1, isn't the first method extra comparision overhead... or it is made optimized compiler ?
– pinkpanther
Jun 9 '13 at 13:32
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How do I do an OR filter in a Django query?
...item.moderated = False)
(edit - I was initially unsure if this caused an extra query but @spookylukey pointed out that lazy queryset evaluation takes care of that)
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onKeyPress Vs. onKeyUp and onKeyDown
... an empty input element:
The value of the input element will be an empty string (old value) inside the keypress handler
The value of the input element will be 1 (new value) inside the keyup handler.
This is of critical importance if you are doing something that relies on knowing the new value af...
Comparing two strings, ignoring case in C# [duplicate]
...MHO the more efficient one, since the second 'solution' instantiates a new string instance.
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How to pass parameters correctly?
...ssing an rvalue (in this case, one move will be performed).
Account(std::string number, float amount, CreditCard const& creditCard)
: number(number), amount(amount), creditCard(creditCard) // copy here
{ }
Account(std::string number, float amount, CreditCard&& creditCard)
: number(n...
Android image caching
...ge collected during crisis). This could ensue a Reload though.
HashMap<String,SoftReference<Bitmap>> imageCache =
new HashMap<String,SoftReference<Bitmap>>();
writing them on SDcard will not require a Reload; just a user-permission.
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Get Substring - everything before certain char
...g to figure out the best way to get everything before the - character in a string. Some example strings are below. The length of the string before - varies and can be any length
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How would one write object-oriented code in C? [closed]
...rtainly do interfaces and multiple inheritence in C but it's a fair bit of extra work, and you have to manage the smarts yourself rather than using C++ built-in stuff.
– paxdiablo
Jul 7 '14 at 22:05
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Check if an element is present in an array [duplicate]
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!==-1 [extra chars]
– Francisc
Aug 7 '13 at 12:22
3
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What is a proper naming convention for MySQL FKs?
...--------------+-----------------------+------------------------+
If this extra step isn't too much for you, then you should be able to easily find the fk you are looking for.
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