The improved version optimizes the problem by adding a menu to a simple JavaScript code. At the same time make the HTML page is very concise, only need to write 2 lines of code can! O (∩_∩) o
1. Use the premises, introduce a CSS file in the HTML page, and a JavaScript file. As follows:
Copy Code code as follows:
Introduce CSS file: Introducing JavaScript Files:
2. Define menu code as follows:
Copy Code code as follows:
if (document.getElementById) {
var ro
UWP development-two-dimensional transformation and three-dimensional transformation, uwp two-dimensional transformation 3D
In development, due to some requirements, we may need to perform some translation, scaling, rotation, or even 3D transformations. So let's talk about how to implement these transformations in UWP.
I,
Two-dimensional transformation:
UIElement. RenderTransform
A. TranslateTransform, translation:
Attribute: X, Y. I believe everyone knows how to use it. I will not talk nonsense
The improved version optimizes this problem by using simple Javascript
Code You can add a menu. At the same time, the HTML page is very concise. You only need to write two lines of code! O (partition _ partition) O
1. Prerequisite: Introduce a CSS file and a Javascript file to the HTML page. As follows:
Copy code The Code is as follows: Introduce the CSS file: Introduce JavaScript files: 2. The menu definition code is as follows:Copy codeThe Code is as follows: if (document. getelementbyid ){
Connect to ORacleError:ORA-09817: Write to audit file failed.
[Oracle @ qs-dmm-rh1 dave] $ sqlplus sys/oracle as sysdba;
SQL * Plus: Release 10.2.0.4.0-Production on Thu Mar 17 16:35:02 2011
Copyright (c) 1982,200 7, Oracle.All Rights Reserved.
ERROR:
ORA-09817: Write to audit file failed.
--This error is basically because the disk space is full.
Enter user-name:
ERROR:
ORA-01017: invalid username/password; logon denied
Enter user-name:
ERROR:
ORA-01017: invalid username/password; logon denie
A hungry man mode is also known as the immediate loading mode, including the above is very urgentThat is, the object was created when the class was Used.PackageLock; public classEhansingleton {/*a hungry man load mode/immediate load mode*/ //Initializing Constructors PrivateEhansingleton () {}Private StaticEhansingleton Ehan =NewEhansingleton (); public StaticEhansingleton getinstance () {Try{thread.sleep ( the);//Convenient multi-threading testing}Catch(interruptedexception E) {
The DoS (Denial of service) attack is the use of reasonable services requests to occupy too many service resources, so that legitimate users can not get the service response.
Dos attacks are a lot of ways, but they all have some common characteristics, such as the use of spoofed source address, the use of network protocol defects, the use of operating system or software vulnerabilities, the network generated a large number of useless packets consume service resources. Therefore, to protect agai
current up to 100mA fixed for a period of time and then fell back to the electromechanicalFlow, this kind of fault is generally the launch of the final stage problems, should focus on the antenna switch (or road), emission filter, amplifier and other components, specific measures can be removed antenna switch and hairInjection filter, directly with a small capacitor will be launched filter path connection, and then use two thin lines (about 10cm) res
Many netizens have asked about the main difference between CCD and CMOS. For the time being, let's take a look at the two different types of image photosensitive elements with the same function through a simple comparison.Both CCD and CMOS basically convert light to electricity using the silicon photodiode. The principle of this conversion is similar to the "Solar Cell" effect of the "Solar Energy" electronic computer in your hands. The stronger the light, the stronger the power. On the contrary
The line connection of the home theater is centered on the AV Power Amplifier. Its input end is connected to signal sources such as DVDs, CDs, and satellite receivers through a signal line. Its output end is connected to speakers, televisions, and projectors.
Currently, the speaker system of the home theater system is generally dominated by 5.1. The connection diagram is as follows:
As shown in, the two main speakers of the 5.1 speaker, one central s
component (element) receptacle or port, and the link between elements (element) is dependent on the padding (Pads).Liners (Pads) have the ability to handle special data: a gasket (PADS) can limit the flow type of traffic. The criteria for success of the link are:Only when two pads (Pads) allow the data type to be passed is established.The data type is set using a method called the caps negotiation. The data type is described as a gstcaps variable.The following analogy may help you understand pa
In the case of high-speed moving objects, the image should be collected by a progressive scan camera or a field acquisition method using an interlaced camera.
The line array camera is suitable for the large size of the target object, or small defects, such as: Printing quality inspection, PCB testing, cloth or cotton detection, grain (grain, fruit, etc.) detection.
Main performance comparison of CCD and CMOS
Full-trap capacity differences: Since each pixel of the CMOS sensor inclu
, contact is not in prison, a moment strong, a while weak, always lead to a lamp for a while light, a while dark. It appears that the customer reflects the problem is true, the reason is because of the poor quality of power sockets, internal use of phosphor copper tablets are not good quality, poor elasticity. Long time after the use of lead to contact is not good, a moment of contact, a moment disconnect, then the Speaker power on a moment pass, a break. Because the power supply has a large cap
amplification circuit can be divided into four types, namely: voltage amplification, current amplification, transimpedance amplification (the current is converted to the voltage output with the change) and the mutual amplifier (the voltage signal is converted to the corresponding change of the current output).
#. Controlled voltage Source: is a non-independent voltage signal source, its output is controlled by another signal, and with the signal line
parameter in the GNSS-SDR.
GNSS-SDR.internal_fs_hz=corrected_valueInputFilter.sampling_frequency=corrected_valueResampler.sample_freq_in=corrected_valueResampler.sample_freq_out=corrected_value
0x05 GPS active antenna
The security researcher uses a Low Noise Amplifier (Low Noise Amplifier LNA) antenna with a ceramic patch day as an active GPS antenna to reduce the overall Noise. Display Garmin GA27C
the pre-embedded cable of satellite TV in advance. Otherwise, the cable may be incorrectly wired.
II. General wiring construction specifications for devices with Weak Current Wiring:
1. Multiple AV signal distribution modules2. Multiple telephone distributors3. Cable TV multi-channel distributor4. satellite signal dual-path distributor5. satellite signal amplifier6. network switch (8 ports)7. Background Music switching panel and Controller8. Red Tooth receiving, launch panel, and Red Tooth host
Original link Download file1. IntroductionThis tutorial will cover a variety of optimization applications to support their intel? Xeon Phi? Run on the processor. The optimization process in this tutorial is divided into three parts:
The first section describes general optimization techniques for vectorization (data parallelization) processing of code.
The second section describes how to add thread-level parallelism to take advantage of all the available cores in the processor.
T
The conversion current that implements the digital signal to the analog signal is called a digital-analog (d/a) converter, referred to as the DAC (Digital-analog convert).At present, the common d/a converters are: Power resistor network D/A converter, inverted t resistor network D/A converter, weight current type D/a converter, weight capacitance network D/A converter, switch tree D/A converterFirst, the expression of digital signalIn digital signals, we use binary to express the size of the dig
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