JAVA2D Lighting and shadow effects __java

Introduction: In this article, we will show you how to add a lighting effect to a flat shape to achieve a class 3D appearance. Perhaps you are more satisfied with your ability to express words, but a picture is often able to produce better results.  

Add a text watermark to the picture and verify the picture

md5

Just beginning in a picture, add Chinese or punctuation, and then get the hash value to verify whether the picture is generated from your own system, but find a problem in which the hash value of the picture is not what you changed in the picture it

PLT, GOT Introduction and simple GOT attack experiment

Reprint modified from http://blog.sina.com.cn/s/blog_70dd16910100r1gi.html first part process junction table PLT Because programs can use the same function multiple times in a shared library, it is useful to define all the functions with a single

Introduction to Git Cherry-pick

This article is edited and sorted from: http://sg552.iteye.com/blog/1300713 http://web.mit.edu/bitbucket/git-doc/git-cherry-pick.txt git Cherry-pick Used to apply a commit modification of another local branch to the current branch. Practical

Kernel symbol table

"Kernel symbol table, kernel symbol table" Linux's kernel is a single kernel monolithic, and any function can access public data structures and function calls. In the design of the program, you need to name some function names, variable names, and

System.map Symbol Table parsing

Http://blog.chinaunix.net/uid-24148050-id-95497.html System.map is a kernel symbol table file, produced by the "nm vmlinux" command, located in the source root directory.The so-called "symbol" is the function name, global variable name, and so on,

GPG Use instructions

Reproduced from: http://www.alexgao.com/2009/01/24/gpg/ Part I: generation, dissemination, void 1. Generate Key pair: GPG--gen-key Info: Solar (solar000) solar123@solar.com Key ID:538E9DA1 2, upload and download the public key: (for others

Rhel 7.x uses Udev SCSI rules to configure RAW devices

1. Generate Rule File Touch/etc/udev/rules.d/99-oracle-asmdevices.rulesOrTouch/usr/lib/udev/rules.d/99-oracle-asmdevices.rules 2. Generate rulesThe SDB is not partitioned to execute the following shell script,For i in B;Todoecho "kernel==\" sd*\ ",

Video I frame/p/b Frames

In video compression, each frame represents a still image. And in the actual compression, will take various algorithms to reduce the capacity of the data, which IPB is the most common. Simply put,I frame is a keyframe, which belongs to intra

A preliminary study on SiteMinder SSO agent

A preliminary study on SiteMinder SSO agent The company has been using WebLogic development, the CA has ready-made SSO agent for WebLogic, simply encapsulation can be, mainly through the filter+serevlet to achieve. Later, with the SSO agent

Git rebase The most detailed usage of GIT commands.

Reprint please specify the source: Alvin Lee's Blog: Http://blog.csdn.net/lihaoweiV The git rebase command is powerful, and in the Git Authority Guide, change the order of submission, which teaches a very complicated method, using git reset ... git

return Erestartsys function

Erestartsys is a part of the API between the driver and theSignal-handling code in the kernel. It does not reach User-space (providedOf course that it's used appropriately in the drivers:) When a driver needs to wait, and get awoken by a signal (as

When using GET request to download the file, because the address bar uses the ISO-8859-1 code format to produce garbled, gets incorrect value __ the code

First, for example, when the request URL is like this, the front domain port is omitted, .../test/downloadservlet/filepaht=f:/hello world. rmvb Hello world. These strings will cause garbled problems because of the iso-8859-1 encoding of the address

Ubuntu 16.04 (sudo apt-get update) appears: Problem Executing scripts apt::update::P ost-invoke-success '

Error: E:problem Executing scripts apt::update::P ost-invoke-success ' if/usr/bin/test-w/var/cache/app-info-a '-e/usr/ BIN/APPSTREAMCLI; Then appstreamcli refresh >/dev/null; Fi ' e:sub-process returned an error code When you run sudo apt-get

Win7 install Ubuntu (Dual hard drive)

Preface Previously in the virtual machine to use Ubuntu, feel the virtual machine and physical host still have differences, want to install Ubuntu under the WIN7, because I am a double hard drive, the middle of a pit, recorded here, can help others

Concepts of classes and objects in programming __ programming

These two days the new school younger brother study sister only then began to learn the programming language, see the functions and classes when not much understand, recall the time before learning is also the case, so decided to write a most

Unable to lock the administration directory (/var/lib/dpkg/) is another process using it

When using the Apt-get command or its relatively updated APT management tool in Ubuntu or its derivative versions, such as Linux Mint (which I have used as a daily work system), you may see a unable to lock on the command line Administratio N

X-loader and how to write to NAND X-loader

X-loader is the primary boot loader. It is loaded through ROM boot loader into the internal RAM. X-loader is responsiblefor initializing the external memory and loading the u-boot from the selected boot device. X-loader supports boot from NAND,

Change your impression of Fedora

Guide I am Fedora's old user, from four years ago in touch with embedded Linux began, Fedora is my desktop operating system, has never been replaced by other operating systems, and occasionally try will be installed the next day. The longer you

Quartz best practice of open Source scheduling framework

Quartz Best practice of open source scheduling framework Author: Chszs, reprint should be indicated. Blog home: Http://blog.csdn.net/chszs Quartz is a Java scheduling framework with the latest version of 2.2.1.Take the quartz 2.2.1 version as an

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