Phpround problems (incorrect precision results) php
It is found that there is a problem when using the PHP round function for decimal control, as shown below:
Expected value of round (9999999999999.99, 2): 9999999999999.99; actual value: 1000000000
The problem of adding characters in the loop I read from the database
While ($ down = mysql_fetch_array ($ downser )){
$ Kb_data_glay. = $ down [goods_sn]. '$'. $ down [goods_name];
}
When there are more than two pieces of data, you need
How to install ffmpeg in the phpnow1.5.6 environment built in Windows I found a lot on the Internet that were not suitable for installation and were not very familiar with php. when I installed php mysql apache, the phpnow-1.5.6 is used, the
[Help] php + sphinx cannot be used after Configuration! Return blank! Whether sphworker. conf is correctly configured. this post is Last edited by default7 at 12:48:15
Sphinx configurationIf you use sphinx, you do not know whether the installation
Connect jqueryautocomplete to the database, that is, the data comes from the database ?? Urgent jquery autocomplete code:
The search in the following code is completely written. I want to query it in the database based on the input content. the
Please kindly advise, how to delete cookie cross-origin php cross-origin deletion
As the question!
I have been busy for a day or two and cannot find a solution!
Reply to discussion (solution)
Nobody?Please advise me!
You can use a socket to
[80] find a php regular expression replacement function and a. htaccess pseudo-static rule
5
Homepage
Previous Page
1
Replace the content with the following:
5
Homepage
Previous Page
1
Note:
When the page is not 0, pseudo-static
/Tag-motto
Combine and discuss multiple arrays
Suppose there are three arrays (actually not sure how many arrays ):
$ Arr1 = array (1, 2, 3, 4 );
$ Arr2 = array (10, 20, 30, 40 );
$ Arr3 = array (100,200,300,400 );
Result to be implemented:
Array (
Array (100
The preg_match_all () problem cannot be solved! Preg_match_all ("/\ d */", "5555", $ images );
Output $ images Array: Array ([0] => Array ([0] => 5555 [1] => ))
Why is there an empty index in the two-dimensional array!
Reply to discussion
May I ask if PHP uses a regular expression? The following two situations may occur in a project,
First:
... SADFA:
123
SLDKJLSKDFJ .........
Second:
... SADFA:
0
SLDKJLSKDFJ .........
Excuse me, can I use a regular expression to express
After the timeout, the access fails. The system is ubuntu,
Make a capture. If the capture times out, it cannot be accessed again after it is stopped, and then it is always circled (chrome ).
Logs and error logs are not added.
Only restart. Why?
Online and offline user judgment problems! The first requirement is to display the online user nickname and number of online users.
My personal idea is to make a field in the user table to mark the user online (1) or offline (0). when the user
Multi-table join call table business_circle
Field id name parent_id
Table goods_area
Goods_id city area
$ SQL = mysql_query ("select * from goods_area as a inner join business_circle as B on a. area = B. name order by a. goods_id asc ");
While
Non-general php word Chinese garbled characters may occur when php uses the phpword library to generate Word documents. I have found a lot of information on the Internet and follow the steps above, modified the template. in php
Public function
In the Thinkphp template, the method of using user-defined functions is explained. because it is required by a large job and the time is tight, it is basically no foundation for what to query and what to learn.
I checked the method of using
Evaluate the database update statement problem how to set the poster value to 1 in batches when the poster value is 2
My database statements are as follows:
Update user set poster = 1 WHERE poster = 2
But an error is reported.
Unknown column
Framework VS self !! Would you like to ask if there is no high framework for self-writing program running efficiency? Framework VS self !! Would you like to ask if there is no high framework for self-writing program running efficiency?
I have seen
The mobile client sends a url request and the server returns data --- app server url json php
I just want to be a client-side news thing. the client sends a url request, the server returns 10 pieces of data, and then requests again, and then
PHP calls java class to: http://hi.baidu.com/lei0827/blog/item/28439a4e923234ced1c86a18.html
PHP calls java class in two ways
1. I did not use the php module to call java (but it was proved by netizens that this method was not good.
2. use the
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