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How do you debug PHP scripts? [closed]
How do you debug PHP scripts?
30 Answers
30
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Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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How to create a memory leak in Java?
...The thread loads a class via an (optionally custom) ClassLoader.
The class allocates a large chunk of memory (e.g. new byte[1000000]), stores a strong reference to it in a static field, and then stores a reference to itself in a ThreadLocal. Allocating the extra memory is optional (leaking the clas...
-didSelectRowAtIndexPath: not being called
...after I implemented UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismissKeyboard)]; [self.view addGestureRecognizer:tap];
– coolcool1994
Jul 4 '13 at 21:31
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When is a C++ destructor called?
...with another object of the same type but don't want to free memory just to allocate it again. You can destroy the old object in place and construct a new one in place. (However, generally this is a bad idea.)
// pointer is destroyed because it goes out of scope,
// but not the object it pointed to....
How can I measure the speed of code written in PHP? [closed]
...ow three of those :
Webgrind ; web interface ; should work on any Apache+PHP server
WinCacheGrind ; only on windows
KCacheGrind ; probably only Linux and linux-like ; That's the one I prefer, btw
To get profiling files, you have to install and configure Xdebug ; take a look at the Profiling PHP...
Software Design vs. Software Architecture [closed]
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I'd say you are right, in my own words;
Architecture is the allocation of system requirements to system elements. Four statements about an architecture:
It can introduce non-functional requirements like language or patterns.
It defines the interaction between components, interfaces,...
Are PHP Variables passed by value or by reference?
Are PHP variables passed by value or by reference?
14 Answers
14
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PHP Session Security
What are some guidelines for maintaining responsible session security with PHP? There's information all over the web and it's about time it all landed in one place!
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Why is creating a Thread said to be expensive?
... there is a fair bit of work involved:
A large block of memory has to be allocated and initialized for the thread stack.
System calls need to be made to create / register the native thread with the host OS.
Descriptors need to be created, initialized and added to JVM-internal data structures.
It...