js operating element style

js operating element style

first, the embedded style:                     at this point the style attribute can operate, you can get and modifythe style ele.style.arr.         note:1 when getting similar font-size properties, in order to avoidconfusion javascript keep characters-ne
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java systemgetproperty get the value

java systemgetproperty get the value

1 public class systemproperty { 2 public static void main(string args[]) { 3 system.out.println("java_vendor:"+system.getproperty("java.vendor")); 4 system.out.println("java_vendor_url:" 5+system.getproperty("java.vendor.url")); 6 syst
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java memory management

java memory management

overview:            for developers engaged in the development of c andc++programs, in the area of ​​memory management, they are both the emperorwith the highest power and the working people who are working at the mostbasic level-the"ownership" of an obje
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java deadlock and how to prevent deadlock

java deadlock and how to prevent deadlock

a deadlock is a running situation when two or more threads are permanentlyblocked.this situation is generated with at least two threads and two or moreresources.here i have written a simple program, it will cause a deadlocksolution and then we will unders
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java language and data type

java language and data type

1.java is cross-platform               1.jav_ developed by gosling and others is portable, cross-platform_ language. _ 2__.neutral architecture programming languages ​​_ needs are the driving force behind the birth of java, which ultimately
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the difference between weblogic and tomcat

the difference between weblogic and tomcat

j2ee development is mainly a structure in which browsers and servers interact,logic is processed in the background, and then the result is transmitted backto the browser.it can be seen that the server in this architecture is veryimportant.these days come
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ejb development foundation - ejb specification

ejb development foundation - ejb specification

1, ejb containerenterprise beans are software components that run in a special environmentcalled an ejb container.containers accommodate and manage enterprise beans inthe same way that java web servers host servlets or html browsers to housejava applets.e
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ejbejbjarxml configuration file detailed

ejbejbjarxml configuration file detailed

<                               ejb-jar                               >                                               <                               description                               >                              a sh
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quartznet achieve job scheduling

quartznet achieve job scheduling

table of contents                                first, quartz.net introduction                                 second, rely on the framework                                  2.1, use nuget to add a reference                              
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hive digital length control

hive digital length control

hive numbers if you want to store as string, the number is too longwill be stored as scientific notation, if you do not want to use printf          select cast(34343424.5534324 as string) from table;         results 3.43434245534324e7          select pr
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eclipse how to amend the default version of java (jdk)

eclipse how to amend the default version of java (jdk)

tools/raw materials              eclipse                           install two versions of the jdk                        method/step 1.               open the eclipse followed by open windows-"preferences, open the properties window              &a
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java's indefinite parameters (egobject)

java's indefinite parameters (egobject)

the first example: public class variargs {         public static void main(string[] args) {         test();         test("aaa");         test("aaa","bbb");         test("aaa","bbb","ccc");     }         public static
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java developers to upgrade the road

java developers to upgrade the road

the first part:for students to participate in the work within one year.congratulations, this time, you already have a java job.               this phase is an extremely fast growing phase, and you may often workovertime.but overtime does not mean you can
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oscached page cache knowledge summary one

oscached page cache knowledge summary one

oscache page cachewhat is oscache?            designed by opensymphony, the oscache tag library is agroundbreaking jsp custom tagging application that provides fast memorybuffering within existing jsp pages.oscache is a widely adopted, high-performance j2
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annotation usage explained - @ suppresswarnings

annotation usage explained - @ suppresswarnings

i.introduction             when encoding, we always notice the following warnings about unused variables:![](http://images.cnitblog.com/blog/347002/201410/211544285432472.png)the above code is compiled and runs, but the front of each linethe"exclamation p
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java's absolute path and relative path

java's absolute path and relative path

1.absolute paththe path to the root part is an absolute path, for example`           /          `(on linux) or`           c:          `(on windows).            the default file system path separator, unix-like file system is            `             /   
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java json and java inside the conversion between objects

java json and java inside the conversion between objects

1.the java object list is converted to an array of json objects, and converted to a string             jsonarray array=jsonarray.fromobject(list);string jsonstr=array.tostring();              2.the java object into a json object, and converted to a string
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java configuration environment introduction

java configuration environment introduction

==============================================================================              learn java is not strange to many people, listening to most is learned javase, javaee, learning framework can probably work.in reality, many people often go to the
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struts working principle

struts working principle

mvc, the abbreviation of model-view-controller, is a commonlyused design pattern.                             mvc weakens the couplingbetween business logic interfaces and data interfaces              , and make the view layer more varied.               
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reprint springrestemplate

reprint springrestemplate

what is resttemplate?resttemplate is a spring-provided client for accessing the restservice.resttemplate provides several ways to easily access the remote httpservice, greatly improving client-side authoring efficiency.invokes the default constructor for
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