Environmental ubuntu12.04
Because the desktop version of the default installed, and the sound is also very convenient, here is the server version of the configuration, after all, do the development often or with the server version of
1. Installation
Apt-get Install Alsa-base It will also be a piece of alsa-utils, this is a toolkit, if not installed directly apt-get install
2. Configure
The sound defaults to mute when the ALSA is installed under the server Edition
A graphical interface will
Recently, micro-letter introduced a membership card function, I believe many users are not very clear what is the use of this feature? How to open? Below, small series to bring you a micro-letter membership card to open the tutorial, interested friends to take a look at it.
Micro-letter Membership card Open Text Tutorial:
One, no stored value function of the
Iphone7sim Card Problem Detailed:
How big is the Q:iphone7 SIM card?
A: As mentioned earlier, the IPhone 7 uses the Nano SIM card, which belongs to the mini card and is the smallest of the current SIM card sizes.
At present, the smartphone's SIM
now many laptops have their own wireless network card, can be convenient for us to connect Wi-Fi internet. Recently, a user bought a telecom 3G wireless on the network card, in accordance with the default driver installation, after installation, and then prompted the computer restart. Reboot after the client's 3G signal has been shown not to come out, how to do? Let's talk about it. Win7 Wireless network
Install the graphics card driver on the Ubuntu gt520 video card
The computer's video card is a colorful gt520 exclusive display. After ubuntu10 is installed, the display resolution is 800 × 600. After Ubuntu is updated to the latest version, the problem remains unsolved.
I suspect it is a driver problem, so I found a NVIDIA Linux driver on the internet, xx
Hide ID card information with js in the project, and hide ID card with js
Some Characters of the ID card are hidden through js in the project. The implementation of the computer version is to intercept the page. Now, the mobile version is used and you want to put the string in the background for operations, however, to ensure the consistency between the mobile
The str_pad card number is used by php to automatically fill in the number of digits below the number of digits based on str_pad. Php uses the str_pad method to automatically add 0 digits when the card number is insufficient. the str_pad function can help us implement the str_pad function in php () the function fills the string in php. based on str_pad, the function automatically fills in the number of digi
Php learning notes --- PHP generates a QR code business card and adds the business card content to the contact. ---------------------------------- 1. after testing, the QR code is generated and a is displayed after scanning. for example, if you use qq to scan the information, you can directly add it to the contact. This should be ------------------------------------
1. tested, generated the QR code, and sca
When it comes to video cards, many people are the first to respond to games. For most people, the game graphics card has become an important part of the computer. If a computer cannot play games, it is often attributed to the category of low-end or commercial machines. The game performance, especially for the running performance of new games, is a key indicator to measure the performance of a piece of video card
Sdcard and SIM card are used in a project. When using sdcard, You need to determine whether the status can be read and written. When using a SIM card, you must determine whether it is readable. For how to do this, see the following two functions:// Whether sdcard can be read/writtenPublic boolean IsCanUseSdCard (){Try {Return Environment. getExternalStorageState (). equals (Environment. MEDIA_MOUNTED );} Ca
Use PHP to parse the cruise Card Algorithm instance and the cruise Card Algorithm instance
This example shows how to implement the kruscal algorithm implemented by PHP. I believe it will be of some reference value to everyone's PHP program design.
The Code is as follows:
The code of the edge. php file is as follows:
If you are interested, you can debug and run the cruise Kar algorithm example in this arti
PHP: The function used to verify the validity of the ID card. php: The function used to verify the ID card.
For more information, see the code:
Function is_idcard ($ id) {$ id = strtoupper ($ id); $ regx = "/(^ \ d {15} $) | (^ \ d {17} ([0-9] | X) $)/"; $ arr_split = array (); if (! Preg_match ($ regx, $ id) {return FALSE;} if (15 = strlen ($ id )) // check 15 bits {$ regx = "/^ (\ d {6}) + (\ d {2}) + (\
JS fill in the bank card number every four digits with a space, js bank card
1. Native js writing
!function () { document.getElementById('bankCard').onkeyup = function (event) { var v = this.value; if(/\S{5}/.test(v)){ this.value = v.replace(/\s/g, '').replace(/(.{4})/g, "$1 "); } };}();
2. jQuery writing
The above section describes how to fill in a bank
When you install your SIM card, follow these steps:1. As shown in the following figure, we will have a bottom-shaped place on the left side of the cell phone, the following figure red box, we up.
2. When you open the north, you will see the following interface, we now remove the cell phone battery.
3. Then you will see a SIM card slot, now we have the SIM
1. In red mi note4, click "Xiaomi Wallet" and then click "bus card". The effect is as follows.2. Open the "bus card" to see if there is any city in which you are located. We click the location where the city is activated.3. Select and click "activate now.4. Click "activate now" to go to the order page. Here we need to recharge your account. A detailed recharge de
1 command line Input directly: Iptraf (if not, install with yum install Iptraf)2. Open Enter to select IP image.3. Select the interface for the monitoring test, all interfaces.4. Turn on the listening status log and the system default log path. /var/log/iptraf/ip_traffic.log4. After running, turn on the monitor network card traffic5.iptraf Reference Usage:Man Iptraf ViewThere are also many tool commands to view:Watch command:Watch-n 1 "/sbin/ifconfig
Group Card Solutions
1. "Micro-letter"-"settings"-"General"-"clean up the micro-letter storage Space", first to clean up the micro-letter cache, which can help us improve the speed of micro-letters.
2. Pull the one you like to create a group
Upper right Corner "villain"-"+"-Select the person you want to join the group in the friend, tick the back and then create a small group, so that the message will not be too many cards.
Well, the above is a sm
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.