mongodb scaling

MongoDB BASICS (9) sharding and mongodb Basics Sharding stores data on multiple servers. Mongodb uses sharding to support deployment of very large datasets and high throughput operations. The capabilities of a single server are limited in various aspects, such as CPU, IO, RAM, and storage space. To solve the expansion problem, the database provides two methods:

The Android platform provides two types of animations. One is tween animation, which is used to continuously change the images of objects in the scene to produce the animation effect (rotation, translation, contraction, and gradient ). The second type is Frame Animation, that is, sequential playback of prepared images, similar to gif images. Next, let's talk about tweene animations. Main categories: Animation Alphaanimation gradient transparency Rotateanimation image rotation Scaleanimation g

Add watermarks to images and generate scaling charts using PHP 1. add a watermark to the image2. generate a new scaling chart Class Image { // Watermark configuration items Private $ wateon; Private $ waterImg; Private $ waterPos; Private $ waterPct; Private $ waterText; Private $ waterFont; Private $ waterTextSize; Private $ waterTextCo

In Android, res \ drawable in the project directory is used to place image resources of the project. Android provides the Bitmap class to obtain image file information, perform image translation, rotation, scaling, and other operations, and save image files in a specified format. 1. Image Rendering Before creating an image, you must obtain the required image resources from res \ drawable in the project directory. We can use the resource index to obtai

The Webkit Core browser includes Apple Safari and Google Chrome, Webkit Core has good performance and is very user-friendly in some details, page input box (input The focus highlighting and text box (TextArea tab) Scaling feature is one of two very user-friendly designs. However, these two designs will have an impact on the page design while being user-friendly. CSS Mask Webkit Input Box highlight Here is what happens when the input box in the Webki

Original: Java implementation of the picture Zoom compression cropping tool! Looking for a long time, the market can no longer find a better than its scaling effect of the codeSource code: Http://www.zuidaima.com/share/1550463380458496.htmPure Java implementation of Picture Zoom compression cropping tool! Do not rely on any third-party jar packages1. For a long time, the market can no longer find a better than its

JavaScript Learning notes One of the jquery writing pictures equal scaling and preload In the past for JavaScript is always used in the page to write a few functions, basically do not take into account the encapsulation and reuse of functions, a recent project may be a bit high in this respect, so the study of a similar jquery encapsulation. Here's a look at the image scaling as well as the preload effect

The main introduction function resize (); The image scaling effect is shown below: The main program code and function explanations are as follows: /************************************************************************//* OpenCV image Scaling uses the function: Resize void resize ( Inputarray src, outputarray DST, Size dsize, double fx=0, double fy=0, int interpolation=inter_linear) parameter meaning: I

This paper uses the matrix to realize the image scaling and rotation of Android. The sample code is as follows: Copy Code code as follows: Package Com.android.matrix; Import android.app.Activity; Import Android.graphics.Bitmap; Import Android.graphics.BitmapFactory; Import Android.graphics.Matrix; Import android.graphics.drawable.BitmapDrawable; Import Android.os.Bundle; Import Android.view.ViewGroup.LayoutParams; Import Android.wi

clean up the contxt environment, as well as the decoder, if the necessary byte stream space has the preservation significance, because, 264 transmission process, there are PTS and DTS points, playback time and decoding time if inconsistent, may cause, first to the data needs to be stored after reaching his decoding time. At the same time, the H264 code stream is divided into IPB frames, only I-frames are more comprehensive image information. If the decoding environment context is emptied after

1. Alignment after image scaling In Android development, how to use images is a headache for many developers. The most common problem is that the UI debugged on a mobile phone is distorted on different dpi mobile phones. Android provides a solution to adapt to different dpi. Each dpi has a corresponding resource directory. However, when developing programs, we cannot process image resources in this way, because the image resources are too large. If w

1 . Image Scaling after alignment problem in the Android development, how to use pictures is a headache for many developers. The most common problem is debugging a good UI on a phone , which can deform on a different dpi phone. A Ndroid provides a different fit dpi dpi dpi all use a set of pictures, the size of the application will expand sharply, this is not the result we want to see. if only a set of pictures, but there is d

Absrtact: First, a basic image scaling algorithm is given, and then the speed and scaling quality are optimized step-by-step. High-quality, fast image scaling full text is divided into:On the nearest neighbor sampling interpolation and its speed optimizationMedium two-time linear interpolation and three convolution interpolationThree linear interpolation and mipm

PHP instance-proportional scaling of images During website development, some images, such as scaling, cropping, and watermarking, are often processed. Of course, these functions can be used not only in the process of developing websites, but also in the function when processing images, just add the required parameters to the function as required. Although it may be difficult for Tom to come up at once, he w

Reproduced others, but this article is really good, so want to share out, but the original article address can not find, it is a pity. Image scaling algorithm Absrtact: First, a basic image scaling algorithm is given, and then the speed and scaling quality are optimized step-by-step. High-quality, fast image scaling fu

MongoDB Study Notes (1) -- install MongoDB in Windows and take mongodb Study Notes First, download the windows Installation Package for mongodb from the official website, select a 32-bit or 64-bit version based on your system type, and then follow the prompts to complete the next step. If the installation directory is

Method 1 IMG only defines a wide (or high) degree can be proportional scaling, outside add a box, set wide and overflow:hidden; Can Method 2 In the IMG tag only set wide, not set high, the picture will be proportional scaling. Method 3 or the picture as a background picture. Background-position:center Center Tips Use max-width:300px or max-height:100px to solve the picture

The drag scaling here is a bit more complex than the general marquee, can set eight azimuth (direction) fixed trigger point, can set a minimum range, maximum range and proportional scaling. As with the drag-and-drop effect, the prototype of the program is also done when the image cutting effect. But the reference to this effect is much less, basically rely on their own groping, took a lot of detours, and no

Recommend a simple and practical zoom Picture tool SimpleImage, reference http://www.white-hat-web-design.co.uk/blog/resizing-images-with-php/ How to use: Set width and height, unequal scaling Copy Code code as follows: Include (' simpleimage.php '); $image = new SimpleImage (); $image->load (' picture.jpg '); $image->resize (250,400); $image->save (' picture2.jpg ');? > Set width, equal sc