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Getting visitors country from their IP
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Actually, you can call http://api.hostip.info/?ip=123.125.114.144 to get the information, which is presented in XML.
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Is inline assembly language slower than native C++ code?
...are the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
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What is 'Context' on Android?
.... To understand what Context is, let’s take a look at the source code:
https://github.com/android/platform_frameworks_base/blob/master/core/java/android/content/Context.java
What exactly is Context?
Well, the documentation itself provides a rather straightforward explanation: The Context clas...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
... edited Jul 14 '14 at 12:07
user123444555621
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answered Dec 11 '13 at 0:48
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int a[] = {1,2,}; Weird comma allowed. Any particular reason?
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vcsjonesvcsjones
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I've found my software as cracked download on Internet, what to do?
...are if the code would have worked for them. This is a product with a fully functional 30 day trial, so they had already fully tested the software. Also, the product was under $20 USD, so it wasn't an expensive one.
Other people I know have tried the redirect bogus codes to a web page technique with...
What to do about Eclipse's “No repository found containing: …” error messages?
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Option #2 seems to be the only one functional on Luna.
– Luís de Sousa
Mar 4 '15 at 9:13
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Returning a C string from a function
I am trying to return a C string from a function, but it's not working. Here is my code.
14 Answers
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Best practices for Storyboard login screen, handling clearing of data upon logout
...Controller
}
return true
In Sign up view controller:
@IBAction func actionSignup(_ sender: Any) {
let appDelegateTemp = UIApplication.shared.delegate as? AppDelegate
appDelegateTemp?.window?.rootViewController = UIStoryboard(name: "Main", bundle: Bundle.main).instantiateInitialViewContro...
Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
...OT 5 evaluates to -6, which is also TRUE! Finding this sort of bug is not fun.
Best Practices
Given the de facto rules that zero is interpreted as FALSE and any non-zero value is interpreted as TRUE, you should never compare boolean-looking expressions to TRUE or FALSE. Examples:
if (thisValue ...