大约有 37,000 项符合查询结果（耗时：0.0316秒） [XML]
Eclipse RCP Plug-in开发自学教程（Eclipse3.6） - 文档下载 - 清泛网 - ...
..............................................................................123
11.1 简介 ........................................................................................................................................123
11.2 添加透视图 .................................................
Convert from MySQL datetime to another format with PHP
...oking for a way to normalize a date into MySQL format, use the following
$phpdate = strtotime( $mysqldate );
$mysqldate = date( 'Y-m-d H:i:s', $phpdate );
The line $phpdate = strtotime( $mysqldate ) accepts a string and performs a series of heuristics to turn that string into a unix timestamp.
T...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...n the third rule)
Now it becomes interesting:
var a = "12" + "3";
var b = "123";
alert(a === b); // returns true, because strings behave like value types
But how about this?:
var a = new String("123");
var b = "123";
alert(a === b); // returns false !! (but they are equal and of the same type)
I...
Why use sprintf function in PHP?
I am trying to learn more about the PHP function sprintf() but php.net did not help me much as I am still confused, why would you want to use it?
...
json_encode is returning NULL?
...
mysql_set_charset is better for the security reason since PHP 5.2.3. See php.net/manual/en/function.mysql-set-charset.php for the details.
– masakielastic
Jun 3 '13 at 4:07
...
Summarizing multiple columns with dplyr? [duplicate]
...brary(dplyr)
library(purrrlyr)
library(data.table)
library(bench)
set.seed(123)
n <- 10000
df <- data.frame(
a = sample(1:5, n, replace = TRUE),
b = sample(1:5, n, replace = TRUE),
c = sample(1:5, n, replace = TRUE),
d = sample(1:5, n, replace = TRUE),
grp = sample(1:3, n, replac...
How to parse JSON data with jQuery / JavaScript?
... the data:
$.ajax({
type: 'GET',
url: 'http://example/functions.php',
data: { get_param: 'value' },
dataType: 'json',
success: function (data) {
$.each(data, function(index, element) {
$('body').append($('<div>', {
text: element.nam...
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 ...
Write a number with two decimal places SQL server
...ters to display, and the number of decimal places to display
Select Str(12345.6789, 12, 3)
displays: ' 12345.679' ( 3 spaces, 5 digits 12345, a decimal point, and three decimal digits (679). - it rounds if it has to truncate, (unless the integer part is too large for the total size, in whic...
PHP Error handling: die() Vs trigger_error() Vs throw Exception
In regards to Error handling in PHP -- As far I know there are 3 styles:
2 Answers
2
...