what is spooling printer status

password in a cookie? Your approach is ready, but there are a few suggestions:1. The client can save two kinds of data, one is the original data (such as user_id), one is the signature of all the original data (what you say add password)2. The preservation of the original data can be seen in specific cases to save the

According to the survey, some of the women in this period are excited but anxious. What is the status of your baby? The girl who is excited proves that he is expecting to start school, probably because he can meet his friends or teachers. The most obvious thing

, and the chain is hidden after the setup is over, so even if there are dozens of interactive settings within the page, it does not affect the overall visual effect.650) this.width=650; "Src=" Http://s5.51cto.com/wyfs02/M02/8A/E2/wKiom1g-NI_ycDKsAADGvHjh55g572.jpg-wh_500x0-wm_3 -wmp_4-s_2645388479.jpg "title=" mockplus.jpg "alt=" Wkiom1g-ni_ycdksaadgvhjh55g572.jpg-wh_50 "/>Whether it's a page state-centric

What is the difference between 301 and 302 HTTP status?301,302 is the encoding of the HTTP state, which means that a URL has been shifted, except that:301 redirect:301 Represents a permanent transfer (permanently Moved),302 redirect:302 represents a temporary transfer (temporarily Moved),Of course Http

. If the program detects the cookie ID stored on the client. Verify and add a password to the database. If the password is the same, the logon information of the corresponding user is returned. Otherwise, FALSE is returned. I feel that efficiency and security are not very good. 1. Verify the access to each page with the database2. Although the rules for adding pa