.
Open or restart the computer;
When you see the Dell icon, press the "F2" button to enter the system setup (BIOS) immediately;
Each brand notebook computer enters the BIOS method
IBM (Cold Boot Press F1, part of the new number can be restarted when the press F1)
1.ThinkPad 315ED
After the boot, when you see the screen on the ThinkPad logo, quickly press the F2 key to enter the BIOS.
2.
Author: kgezhi Wang 2009-12-16 reprinted please indicate the source, thank you.
This article describes how to quickly build a media stream server that complies with the 3GPP standard and use a built-in player (such as RealPlayer) on your mobile phone for Vod. This article introduces mainstream Real Helix and Apple Darwin respectively.
1. Helix Streaming Server
First, we will introduce the
are two clockwise and counterclockwise spirals for each starting point.
A point set (left), and its clockwise convex helix, with the smallest x-coordinate point as the initial point.
Interestingly, the convex helix and onion skins of a point set can be converted to each other in linear time. Further, similar to the onion triangulation, we can define a sub-graph of a point set as a spiral triangulation of a
Create a full-featured server-Linux Enterprise Application-Linux server application on ubuntu7.10. For more information, see the following. Apache can be used to create a WEB server on ubuntu 7.10, mysql can be used for the database management system, and postfix can be used for the email system. The installation is very simple and free of charge. When a streaming media system can use helix, it will be charged and expensive. However, there is a cracke
practice of software development shows that the above activities are not completely top-down and linear schema, so the waterfall model has serious defects.① because the development model is linear, users cannot see the effect of the software when the development results have not been tested. This allows the software to meet the user for a long time interval, but also increased a certain amount of risk.② errors found during the end of software development are propagated to later development acti
on the list. Slatebook 14 runs the Android system, and such Android notebooks are not common in the market. Although the Android operating system built for mobile platforms has some productivity gaps compared to desktop operating systems such as Windows and OS X, the test Slatebook 14 of the time to 6 hours and 52 minutes, easily surpassing many windows laptops.
And it is worth mentioning that the proposed retail price of Slatebook 14 is only 430 U.S. dollars (about 2628 yuan), and the current
Motivation : In an object-oriented system, some objects are subject to some reasons (for example, the overhead of object creation is large, some operations require security control, or external access is required ), direct access may cause a lot of trouble to the user or system structure. How can we manage/control the unique complexity of these objects without losing transparent operation objects? Adding an indirect layer is a common solution in software development.
Application: Remote Obje
SolidWorks how to draw a compression spring? SolidWorks Spring Painting has a lot of, but many friends are not clear how to draw, the following to introduce the compression of the spring painting.
1, click the "New" button to create a part file.
2, select the front view datum, click "Sketch", select "Sketch Drawing" button, enter the sketch interface. A circle with a diameter of 22mm is drawn at the center of the original point.
3. Select "Inser
teach you step-by-step to build a Docker-based MongoDB replication cluster environment
1. Installing Docker
2. Create a MongoDB image
3. Building a MongoDB cluster
This article ——-chain--Connecthttp://blog.csdn.net/pddddd/article/details/46893593
Docker is an open-source application container engine that allows developers to package their applications and dependencies into a portable container.
1.ubuntu14.04 Installing Docker
Reference Document http://docs.docker.com/installation/ubuntulin
Motivation : ThinkPad has multiple models, such as T43 and t60. Each model supports multiple working modes. Each model has different implementations in different modes. With the continuous development, there are more and more models and working models. How to separate ThinkPad from the changes in model and working mode so that they change independently, without introducing additional complexity (the complex
called a complex plane. So we know that a function of headed number I--rotation.Now, please let the universe first play handsome formula Euler formula grand debut--This formula is much more important than Fourier analysis in the field of mathematics, but it is the first handsome formula for the universe because of its special form-when x equals Pi.Often have science and engineering students in order to show their academic foundation with sister, with this formula to explain the beauty of mathem
a complex plane. So we know that a function of headed number I--rotation.Now, please let the universe first play handsome formula Euler formula grand debut--This formula is much more important than Fourier analysis in the field of mathematics, but it is the first handsome formula for the universe because of its special form-when x equals Pi.Often have science and engineering students in order to show their academic foundation with sister, with this formula to explain the beauty of mathematics:
formula is to unify the sine wave into a simple exponential form. Let's take a look at the meaning of the image:The Euler formula depicts a point that, over time, makes a circular motion on the complex plane, which, over time, becomes a spiral on the timeline. If you look only at its real number, which is the projection of the helix on the left, it is the most basic cosine function. The projection on the right is a sine function.For a deeper understa
image:The Euler formula depicts a point that, over time, makes a circular motion on the complex plane, which, over time, becomes a spiral on the timeline. If you look only at its real number, which is the projection of the helix on the left, it is the most basic cosine function. The projection on the right is a sine function.For a deeper understanding of complex numbers, you can refer to:What is the physical meaning of complex numbers?There is no nee
Opencascade Ring Type Spring Modeling[Email protected]Abstract. The directly create an edge was to give a 3D curve as the support (geometric domain) of the edge. The curve maybe defined as a 2D curve in the parametric space of a surface:pcurve. When you understand the Pcurve, you can modeling some interesting shapes, such as bottle neck thread, Helix spring, Ring T Ype Spring. ETC. The paper is focus on the Ring Type Spring Modeling in Opencascade Dra
: ThinkPad, Password: Lenovo
Useradd thinkpad-p lenovo-s/bin/bash
Su ThinkPad
Enter Password: Lenovo
The first Su ThinkPad succeeds because the current account is root and Su ThinkPad does not require password verification
The second Su
Typical linux commands: 1. sagane @ sagane-ThinkPad-Edge :~ $ Mii-tool: when the network is disconnected, use this command to check whether the physical link is normal. 2. ssagane @ sagane-ThinkPad-Edge :~ $ Sshroot@192.168.1.43, with the root user login IP address as 19 .. linux commonly used commands Classic use 1, sagane @ sagane-ThinkPad-Edge :~ $ Mii-tool: w
About IBM random start options (which retain those deleted)
About IBM random start options (which retain those deleted)The following figure shows the startup options after the random software is installed (it is clear to see the solution by the optimization master)
1 digital line Detect-is part of BVR telephone software kits. It provides fax, phone book, email, and other functions (which can be deleted)2 Bluetooth control disk-you can delete it if you do not need Bluetooth3 tpkmaphelper-IBM
Nowadays, the most popular types of media files are RM and RMVB files and WMV and WMA files, which are well supported by streaming media, these two media file formats are used for almost all media files such as movies and music on the network. Therefore, if a trojan is inserted into a media file, the unique concealment of Trojans in media files will cause victims to be attacked by webpage Trojans without knowing them, and the dangers are evident.
Attack: media files are planted in the invisible
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