gap eraser

conflicts when data modifications are submitted by different transaction versions, but problems can occur when other transactions insert data. As the following illustration shows, transaction A gets 1 records on the first query, and two records when the same query is executed the second time. From the point of view of transaction A It was a hell of a sight. This is the Phantom read, the RC level, although the addition of row locks, but still can not avoid phantom reading. Figure 8 The RR isolat

Tags: gap lock mysql GapMySQL InnoDB supports three kinds of line locking methods:Row lock (Record Lock): The lock is added directly above the index record.Gap Lock: Locks are added to a nonexistent free space, which can be between two index records or the space after the first index record or after the last index.Next-key Lock: The combination of row and gap locks is called Next-key lock.By default, InnoDB

There are a variety of ways to use Photoshop to pull the map, such as: masking the map, pulling out the filter screen, outside the filter to dig up the map, channel, and so on. However, these pull-through methods have their own difficulties, beginners are often difficult to master. Today, the editor for the vast number of Photoshop to pull the map of beginners to introduce a simple operation, the effect of the ideal method-"background eraser tool" pu

　　The eraser tool is used to clear redundant or incorrect parts of a graphic, and is a commonly used auxiliary tool in drawing editing. As with the brush tool, in the property options area you can select five graphics erase modes for the eraser tool, which is similar to the drawing mode of the brush tool, and is the eraser tool that this article introduces to the

points first: 1, 90% of the case, pull the map are other more effective way to replace, pull the map is a necessity and the thing. 2, never the best way to pull the map, only in the current situation, the more appropriate method. 3, in a variety of circumstances, the PS command can be combined with hundreds of ideas to pull the map. 4, with lasso, magnetic lasso do constituency is often the most stupid, in view of this, with Lasso to do constituency, I will not speak. This tutorial first e

Border with triangle gap and border with triangle gap In the past, when reading cartoons, if there was a conversation, there would usually be a border, and a triangle would be taken out from the speaker. Similar to this: There should be many ways to achieve this. The solution provided here is to create a border and then overwrite it with two triangles. The effect is as follows: For ease of understanding,

Several Methods to remove the inline-block element gap, inlineblock gap -->

This tutorial mainly uses the Photoshop Background eraser tool to pull the tulip, to pull out the figure the method many, today main introduction uses the background eraser This tool, the author CG teacher in the drawing aspect is very strong adult, likes his tutorial may I brush to download his to pull the map ebook. Original Effect chart The following is a detailed procedure: 1

CaseEnvironment:2-node RAC ASM + Single-instance DG standby library with file system to hold data files, unused Asm;rac a node deployed with Ogg.Partition the table on the main library by online redefinition, create partition tablespace when creating data file on library failed,Causes the log to upload to the repository cannot be applied, the standby library stops the log application.Rman Backup Cleanup Archive script can not clean up the archive in a timely manner to the main library, storage a

Cocos2dx implements erasure, I .e., eraser Effect Cocos2dx implements the eraser Effect DionysosLai (906391500@qq.com) In the previous project, I was playing a picture book game and demanded an erasure effect. For details about the effect, see picture book "I Am a Tyrannosaurus". At that time, due to the tight project, is to take online Code directly to use (thanks to the younger brother row.ng introduction

Disclaimer: This article is original article, if need reprint, please indicate source waxes, thank you!Recently the project just used this effect, that is, a bit like a scratch card, on the mobile device, a picture is scraped off to show another picture. As follows:Demo Please poke right: DemoThis is quite common on the Internet, originally wanted to directly online to find a demo to apply his method on the line, applied to find, in the Android card out of Cheung, because the customer requiremen

destination/ARCH/sdyprod Oldest online log sequence 0 Next log sequence to archive 0 Current Log sequence 03: Copy unsynchronized archived logs to the slave database in the master database [[Email protected] ~] $ SCP 2*192.168.8.225:/ARCH/sdyprod/ [Email protected]'s password: 2_14_856078807.arc 100% 1024 1.0kb/s 2_15_856078807.arc 100% 121kb 120.5kb/s 2_16_856078807.arc 100% 20kb 20.0kb/s [[Email protected] ~] $ SCP 1*192.168.8.225:/ARCH/sdyprod/ [Email protected]'s password: 201729_856078807.

As the name suggests, "eraser tool" and rubber, you can erase the place you do not need. Double-click the Eraser tool to delete all the content on the stage. The eraser tool also has several options, as shown in Figure 2-2-35. Figure 2-2-35 Eraser Tool options Select the Tap tool and click the Fill area or stroke s

A friend asked me how to use the Ugui in unity to achieve the scratch card function, did not do before, but I think the next, should use Shader can be achieved. So it took some time to realize the function of the next change.The following is the implementation method.Here I mainly use a script and a shader.Shader "Unlit/transparent colored Eraser" {Properties {_maintex ("Base (RGB), Alpha (A)", 2D) = "White" {} _rendtex ("Base (RGB), Alpha

　　Disclaimer: This article is original article, if need reprint, please indicate source waxes, thank you!　　Recently the project just used this effect, that is, a bit like a scratch card, on the mobile device, a picture is scraped off to show another picture. As follows:Demo Please poke right:demo 　This is quite common on the Internet, originally wanted to directly online to find a demo to apply his method on the line, applied to find, in the Android card out of Cheung, because the customer requ

PS with eraser tool deduction picture Background tutorial 1, open Photoshop. 2, choose their own need to pull the map, copy a picture. 3, using the Eyedropper tool to select the color of the hair, the selected color will be displayed on the foreground panel. 4, click the Background eraser, click on the sample background color board, check the protection foreground col

One problem today is that there is a blank gap between the upper and lower layers (the picture is placed in the layer) Solution: locate the image code in the above div and set the attribute style = "display: block" for it. solution. Or there is a div (with images) under img to set img (the object above the div) and its set attribute style = "display: block". The problem is OK. Display: block indicates that the object is a block-level element (such as

Problem description: In IE7, there is a distance (or gap) between the IMG and the div (block element ). This problem occurs only in IE7, but not in IE8. Solution: Fa Bao 1:Define the image IMG label vertical-align: Bottom, vertical-align: middle, vertical-align: Top.IMG {vertical-align: bottom ;} Magic Weapon 2:The font size in the container is defined as 0. Div { Width: 110px; Border: 1px solid #000000; Font-size: 0 } Reason: By default,

Today we are going to talk about the background eraser tool, this tool can be a wonderful, generally we do not tell him. To get to the end, the book before the text, why this tool is not? How can it be so wonderful? People we've done design know that sometimes when you're working on a picture, to do some small manuscript for customers to confirm, sometimes buckle picture buckle for a long time, but in exchange for the manuscript was shot news, not to

　　 Use eraser Step one: create a table 1, open word2013, first we draw a table. Click the "Insert" button on the toolbar and click "Form". 2, in the pop-up table area, slide the mouse, you can see the small orange box with the mouse, we set up a 8 rows of 6 columns table. When you are sure you can, press the left mouse button. 3. This is the form we have just established. 　　Use