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An example of fabricating a random request header to a crawler in Pyspider

/5.0 (Windows NT 6.1; WOW64) applewebkit/537.36 (khtml, like Gecko) chrome/49.0.2623.221 safari/537.36 SE 2.X METASR 1.0 "," Accept ":" Image/g if,image/x-xbitmap,image/jpeg,application/x-shockwave-flash,application/vnd.ms-excel,application/ vnd.ms-powerpoint,application/msword,*/* "," DNT ":" 1 "," Referer ":" Https://www.baidu.com/link?url= C-fmhf06-zphorm4twduhrakxhnsm_rzjxz-ztfnpavzn "," accept-encoding ":" gzip, deflate, SDCH "," Accept-language ":" Zh-CN, zh;q=0.8,en-us;q=0.6,en;q=0.4 ",}

Icon Lesson AI

Classification of icons1. Classification by functionA. Start iconB. Application iconC, function icons such as: batteries, etc.2, according to the design Division classificationA, Silhouette iconB, flat iconC, the object iconIn ai , drag the file, click embed before, modify the original graphics,AI Graphics will also change accordinglyCommon shortcut keys:Ctrl+2 : Full lockCtrl+alt+2: Unlock full lockCtrl+3 : All hiddenCtrl+alt+3 : Unlock all hiddenLock to hide for a single shape, and do it in a

Cracked ingenious Disc

English name: Ingenious Type: puzzle Release date: 2007 Production: USM Release: shadetree games Introduction: Ingenious is a top-selling and award-winning board puzzle game created by Reiner knizia. Easy to use but very difficult to master. It is a unique game that combines entertainment and strategy. Conquer the Board through the careful layout of row colors. As everyone moves, you can use new policies. You can choose to compete with your compu

Simple creation of beautiful background with PS

1. Create a new file. The background is white.2. Filter> filter Library> texture> particle parameter settings are shown in the figure below.3. Press the shortcut key D, set the color of the front/background to black and white, and then execute the menu: filter> pixel> point.4. Filter> Miscellaneous> The median value is 90.5. Press Ctrl I to display the following menu: filter> sharpen> USM sharpen.6. Filter> blur> Special blur. Click "OK" and

net-snmp5.7.3 porting to the Arm-linux platform

: usm Agent MIB code: default_modules => snmpv3mibs mibII/snmp_mib mibII/system_mib mibII/sysORTable mibII/vacm_vars mibII/vacm_conf MYSQL Trap Logging: unavailable Embedded Perl support: disabled SNMP Perl modules: building -- not embeddable SNMP Python modules: disabled Crypto support from: internal Authentication support: MD5 SHA1 Encryption support: DES AES Local DNSSEC valid

Use photoshop to process nostalgic photos

These two days took a group of photos taken last year to be processed again, also the process of processing recorded a bit, I hope we do not feel too simple oh. The first step: the original image by the equal proportion of the reduction, my choice is 600*450 pixels.To narrow the selection of the filter in the sharpening >>USM sharpening (if not very paste on the default parameters, or on their own according to the actual situation adjustment.)Then

Tutorial on using a wireless flashlight to photograph portraits with a Canon 50D camera

To the photography enthusiasts for detailed analysis to share the Canon 50D camera using wireless flash photography portrait of the tutorial. Tutorial Sharing: Shooting data: EOS 50D EF 24-70mm f/2.8l USM Manual exposure (f5.6,1/60 seconds) ISO 200 Speedlite 580exⅱ Speedlite 550EX Points: 1. The main flash should glow from the side Use of multiple flash lighting must distinguish the use of each flash. In the above illustra

PS How to make the scenery map to create hand-painted effect

PS Tutorial PS How to make the scenery map to create hand-painted effect 1, from the PS open a picture, and then press CTRL+J to duplicate a layer, on the copied layer on the ctrl+shift+u to color 2, the single Layer menu bar below the adjustment options---> select levels---> Adjust the level of color 3, adjust the general light and shade contrast, select the gray layer then click on the filter----> Sharpening--->

Photoshop Facial Beauty Tips

Facial Beauty Tips: Whitening, shiny, moisturizing skills One, dark complexion light upTo the black face whitening, very simple.The method is as follows: 1, open the picture, build a blank layer.2, enter the channel, hold down the CTRL key point RGB channel, appear high light constituency.3, back to the blank layer, fill in the selection of white.4, the mask with a black brush paint off the part that does not need to be whitened.5, if too white, can be appropriate to reduce transparency. Co

PS for beauty to make beautiful colorful art lighting effect

light and shadow, as shown in the picture. 16, refer to step 6 use the same technique, on the beauty layer above create a new layer blending mode is "color Dodge", opacity is 65%. Then set the foreground color to #5a4f34 and use a brush tool of size 500px to add a light effect to the beauty's left hand. Create a new layer blending mode for linear dodge (add), set foreground color to #574739, use a brush of size 960px to create a light effect on the left hand, as shown in the figur

PS Synthetic the beautiful angel photos in the cosmic sky

+ ALT + e-stamped layer. Xi. selection Menu: Filters > Sharpening > USM Sharpening. The following figure. 12, select menu: Layer > New Adjustment layer > Natural saturation, Parameter set as follows, determine the layer opacity to: 40%. 13. Create a new blank layer, select the Smudge tool, and check "sample all layers" in the property bar. 14, on the Shintou layer

PS Use fuzzy beauty portrait synthesis gorgeous signature photo

The tutorial to the triple friends to introduce PS using fuzzy Beauty portrait of beautiful signature, the tutorial is not very difficult, mainly in the details of the grasp to be handled well. Let's take a look at the comparison between the original and the final effect chart. Final effect First, open the original image, copy a layer, press CTRL + M slightly brighter, and then select neat Filter noise reduction, and then add a layer mask with a black brush to wipe out the eyes

PS in lab mode to make the photo transparent and without losing the real way

This method can be easily optimized for color and lightness with fewer steps, and the original piece that is adapted for this method must meet the following three conditions: 1, there is no obvious color bias in the image. 2, the image does not have one or several colors saturated excessive. 3, the image has not used the USM sharpening filter. Some people say that the RGB mode is faster, RGB is really faster, just in the RGB mode of any channel will

Using Photoshop to create a splash art Facebook tutorial

Using Photoshop to create a splash of art mask, the body effect is more and more popular, this effect style is unique, the effect is very artistic. The production method is not complicated. The key is the application of splash material, select a good subject, the splash material into the mix can be Final effect 1. Open the background material as shown in the following figure. 2, this time to see the sky picture some fuzzy, you can click on "Filter > Sharpening >

Use Photoshop to create cool character effects

. We want this model to be a bit sharper, turn on the filter > Sharpen >USM and set the data as follows: Add a clipping mask to the beauty layer, and then set the following: Black White The mask effect for this adjustment layer is as follows: Color bands Curve The final effect is as follows, a series of adjustments in this step play a decisive role in this dirty effect.

A tutorial on the later facial skin modification Techniques of Photoshop portrait photography

reach the desired brightness. If you are dealing with another open layer as we suggested, then you can pass it after the Controls the opacity of the layer so that the intensity of the highlighted area is adjusted precisely. Some too dark eyes can be illuminated by the method just described. It's just that you have to be very careful, because if you treat your eyes too white, it will seem unnatural. The teeth have similar problems, If it's too white, the teeth will look terrible under a "toot

Using PS Channel selection function to eliminate character wrinkles

The main course of the tutorial is to use the channel to the selection of the character wrinkles, and then use the curve to mediate its light and shade to eliminate wrinkles. This method is very practical! Original Final effect 1. Open the original image, observe the channel, looking for a strong skin wrinkle channel, select this channel is to facilitate our later better to select the wrinkles part. 2. Copy blue channel, get blue Copy execution: filters >

PS Palette Tutorial Reverse phase to create emerald green Mantis

pull the following two lines of saturation and lightness of the slider, fine tuning can be. Perfect Mantis's whole and local Continue to create a sense of reality for the mantis. 1 Use the Color-level tool "Ctrl+l" again to tune the outstanding Order tool. Slide the dark part slightly into the middle to make the overall hue more lively. This step also requires us to adjust to the picture we have taken to make the mantis more pure. 2 sharpening local general processing after the

Photoshop reduces photo Resolution

Sometimes the photos we scan or the photos we take are too large (which usually results in a lot of space) and are not suitable for sharing or printing on the web, so we need to reduce the size of the photos to be suitable for sharing or printing. When we want to print or share high resolution PPI photos on the internet, open the image size (ctrl+alt+i) In the Image menu, and open the Reset image pixel checkbox. If you want to print, enter the print size directly, if you share online, first cha

Photoshop brings in indoor people photos soft Lavender

following figure. 5, the optional color adjustment layer to copy a layer, layer blending mode to "normal", the opacity to: 50%, strengthen the contrast, the effect of the following figure.6, create curve adjustment layer, first RGB appropriate brightness, and then the red, green, blue adjustment, parameters and effect of the following figure. 7, a new layer, stamped layer. Execution: filter > Sharpen > USM Sharpen, Parameters are set as shown below

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