The Android system is a Linux system, and we can use the Linux command Mouunt to get a Linux mount directory. The directory that the obtains from the command I did not traverse, and if you still cannot get it, you can iterate through all the directories that the mount has been to.
filesdcard; @SuppressLint ("Sdcardpath") publicfilegetsdcardfile () { if (sdcard!=null) {
returnsdcard; } List
However, the preferred storage is to use the method provided by Android first to judge and obtain the
How Apple Pay to remove a bank card
We only need to click on the phone wallet and then find to "remove the card" after we click "Circle I", enter the details of the interface we click "Remove Card", so that the binding is canceled.
How to unregister my registered Apple Pay Card
There are three ways to
Problem description
Using Optimus Technology new graphics driver y460n/z360 and other models how to identify the independent video card is enabled?
Problem analysis
New NVIDIA graphics driver in the notification area with the GPU activity hint icon, you can see the Nvidia independent video card is currently open, the old version of the driver does not have this function
Solution
1, how to identify the
the quasi-Centrino notebook, you can only select the Intel wireless module to appear centrino boot logo. General Intel is the most expensive of all network adapters, but because of its excellent compatibility with Intel notebooks, it is recommended that most of the conditions allow customers to choose to vote for Intel's network card.
Atheros Ltd.
Broadcom Ltd.
TI Texas Instruments
About the signal.
A
ID card number generation, verification code calculation, ID card number generation Verification Code
The second generation ID card number consists of 18 digits: 6-digit location code + 8-digit Date of Birth + 3-digit sequence code + 1-digit Verification Code
Here, the verification code is calculated as follows:
The first step is the ing weight; the second step
Article Title: nvioracore4.0 install the Nvida video card and atigraphics card driver. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
1. Check linux.chinaitlab.com/unix/39857.html "> online installation or upgrade of Fedora core 4.0 software package with apt + synaptic
C # obtain the MAC address
Method 1: Use managementclass
String Strmac = "";Managementclass MC = new managementclass ("win32_networkadapterconfiguration ");Managementobjectcollection MOC = mc. getinstances ();Foreach (managementobject MOC in MoC){
If (MOC ["ipenabled"]. tostring () = "true "){Strmac = MOC ["macaddress"]. tostring ();}}
Method 2: Use networkinterface
String Strmac = "";Networkinterface [] fnetworkinterfaces = networkinterface. getallnetworkinterfaces ();Fo
There are many ways to obtain the MAC address of an Eni, such as NETBIOS, SNMP, and getadaptersinfo. After testing, it is found that the NetBIOS method cannot obtain the Mac when the network cable is pulled out, while the SNMP method sometimes gets the MAC of multiple duplicate network adapters. It is better to try to use the getadaptersinfo method, mac can be obtained when the network cable is pulled out, and it is very accurate and will not be retrieved again.
The getadaptersinfo method is not
PHP random generation of credit card number, php credit card number
This example describes how to randomly generate a credit card number using PHP. Share it with you for your reference. The specific analysis is as follows:
This PHP code generates a random credit card number based on the rules generated by the credit
Android gets the SD card path and determines whether the SD card exists
Android SDK path:
It is not recommended to directly write the path of the android SD card.
Public String getSDPath () {File sdDir = null; boolean sdCardExist = Environment. getExternalStorageState (). equals (android. OS. environment. MEDIA_MOUNTED); // determines whether the SD
Practical js sdk development: card production and playback (2), sdk card production
Recently, my colleague developed a greeting card production APP Based on CanTK. Although I was not involved in the development, I provided technical support for CanTK and GameBuilder. I think some things are interesting, write a few blogs to share with you. This greeting
ID card number verification, ID card number verification
Previously, I used regular expressions to verify the ID card number, but sometimes the wrong ID card number can also pass the front-end verification. Later I found that this method is good and I posted the code to you:
// ID
SymptomAfter the driver and client program are installed on the wireless network card, open the client program and always prompt "please insert wireless network card", as shown in the figure below:Solution1Enable wireless Nic manuallyIf the wireless network card is disabled, you will be prompted to "insert wireless network
Note: You need to have root permission to use the RE file manager, but you can operate the SD card without the root permission, the following steps
1: In the Mobile interface we open the RE manager effect as shown in the following figure.
2: Then we slide the list down into the SD card interface and find the SDcard folder as shown in the following figure.
3: Then we click on SDcard and you
1, to have no card to take, we need to make an appointment in ICBC mobile phone, we open "ICBC mobile phone Bank", after the successful login click on the interface of the "no card to take the current" function.
2, and then the following figure shows that there will be a "card-free" Then we click on the "No car
Tentacle TV How to bind a bank card
1, in the mobile phone we open the Tentacle TV, and then click on the interface of the "my" page, you can see "personal information"
2, and then into the interface we will see that there is a bank card certification options, click Enter, enter the name, ID number, bank card number and other information, you can
1, we install the latest version of the mobile phone Alipay client, the effect shown below, as shown in the figure.
2, then in access to the mobile phone payment treasure, we find the open interface of the "City service" Here we find "government affairs" "Electronic Identity Card" entrance, click to enter can be used, as shown in the picture.
3, then we entered the "Alipay Electronic Identity Card
We open in the mobile phone Baidu glutinous rice client, if not can be installed in the mobile phone "Baidu glutinous rice Client", this installation method small series is not introduced to you, and other software installation is the same.
Okay, after entering the mobile phone Baidu glutinous Rice Client, we then click on "My" and then we open into the "asset" option to find the "balance" option in the interface.
After you open the "balance"-"Use Tips", we can click
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
Full introduction to Ubuntu/MAC smart card operation 2 -- Java card tour
The previous introduction introduced how to access the card reader from Linux and how to send and receive APDU at the lowest level. Now let's go to the javacard environment:
For building a javacard Development Environment on Ubuntu, refer to my previous blog-http://blog.csdn.net/caesarzo
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