大约有 7,000 项符合查询结果（耗时：0.0189秒） [XML]
Can I Replace Apache with Node.js?
...e a website running on CentOS using the usual suspects (Apache, MySQL, and PHP). Since the time this website was originally launched, it has evolved quite a bit and now I'd like to do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm wonder...
Two-way encryption: I need to store passwords that can be retrieved
...there is much more to note...
How do I encrypt and decrypt a password in PHP?
See below for a strong class that takes care of everything for you:
What is the safest algorithm to encrypt the passwords with?
safest? any of them. The safest method if you're going to encrypt is to protect against ...
Difference between and
... get submitted.
Sample HTML form (index.html):
<form action="checkout.php" method="POST">
<!-- this won't get submitted despite being named -->
<input type="button" name="button1" value="a button">
<!-- this one does; so the input's TYPE is important! -->
<inpu...
Difference between a Structure and a Union
...e short answer: a struct is a record structure: each element in the struct allocates new space. So, a struct like
struct foobarbazquux_t {
int foo;
long bar;
double baz;
long double quux;
}
allocates at least (sizeof(int)+sizeof(long)+sizeof(double)+sizeof(long double)) bytes in...
Push Notifications in Android Platform
... step by step complete tutorial
Code snip to get Registration ID (Device Token for Push Notification).
Configure project for GCM
Update AndroidManifest file
For enable GCM in our project we need to add few permission in our manifest file
Go to AndroidManifest.xml and add below code
Add Permission...
How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
...
PHP regular expressions: No ending delimiter '^' found in
...
PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the rege...
How do I create a comma-separated list from an array in PHP?
...ut it's always a pain having to take off the final comma. Is there an easy PHP way of doing it?
12 Answers
...
PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
...
In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?
...
Overhead is Data_free of a table, that is The number of allocated but unused bytes.
We can find it by SQL command SHOW TABLE STATUS. It is the free space in allocated size for your table.
share
|
...