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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,...
Why would I prefer using vector to deque
...e difference one should know how deque is generally implemented. Memory is allocated in blocks of equal sizes, and they are chained together (as an array or possibly a vector).
So to find the nth element, you find the appropriate block then access the element within it. This is constant time, beca...
-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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How to create a file with a given size in Linux?
...a huge blocksize will perform much worse once it gets very big, as it will allocate and read that amount into memory before writing. If this is somethig like bs=4GiB you'll probably end up swapping.
– Brian
Sep 29 '08 at 7:40
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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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What is Pseudo TTY-Allocation? (SSH and Github)
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As explained in "gitolite: PTY allocation request failed on channel 0", it is important to do ssh test connection with -T, because some server could abort the transaction entirely if a text-terminal (tty) is requested.
-T avoids requesting said terminal, ...
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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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...
How do I get the last inserted ID of a MySQL table in PHP?
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mysql_(...) is deprecated in PHP >= 5.5 version.
– Iago
Oct 30 '14 at 2:12
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