Aastat : Hadoop streaming on võimas utiliit, mis pakub Hadoop distribution.The põhikontseptsioon Hadoop raames on jagada töö,töödelda paralleelselt ja seejärel liituda selle tagasi saada lõpuks result.So on kaks peamist…
Mis on Map / vähendama Hadoop?
Aastat : Töötlemine suur hulk andmeid (multi-terabaidise data-komplekti) peamine mure on reaalses elus projects.As suuruse andmete kasvab iga päev, rakendused on raske töödelda seda usaldusväärsem,tagatud ja töökindlaid viisil.…
Kuidas suurendada tulemuslikkust Jmeter test?
A: Järgnevalt on toodud mõned tehnikad, mida saab kohaldada, et suurendada jõudlust Jmeter test. 1) Vähendada arvu samaaegsete niidid :The hardware and server capability limits the number of threads which can run effectively with JMeter.If lot…
Mis on seotud andmete (Semantiline mõisted)?
Aastat: Nagu nimigi ütleb, oma andmed omavahel seotud other.At esitada Veeb sisaldab tohutul hulgal andmeid, mis on enamasti hoida html ja need ei ole seotud mis tahes ways.So, kui me tahame seda kasutada…
What is “infinite scroll” ja “Flyweight” pattern?
Aastat: The “Infinite kerimisriba” ja “Flyweight” mustreid, mida kasutatakse laadimiseks suure hulga objektide veebirakendusi. Infinite Leidke nimetatakse ka auto paganize / lõputu lehekülge. Selle tehnika-eelvaade sisu on tehtud ja lisada otse praeguse…
What is Memory mapping in java?
Memory mapping in java is a low level concept to make file I/O more efficiently. Generally we use stream or buffer stream to do file I/O. Although buffered stream is widely used to increase the performance of file input and…
How to create a signed applet using a self-signed certificate?
The following article will describe how to create a signed applet using a self-signed certificate? Certificate authorities typically charge a fee for the service of validating their clients’ credentials. However, for testing and demo purposes, we may create a self-signed…
Is it possible to access signed java applet code from java script function?
Signed applets are the authenticated applet to access secured data.So signed applets do not have the security restrictions that are imposed on unsigned applets and can run outside the security sandbox. But java script code is treated like unsigned code.So…
When should you use a Rule Engine?
A : You need to check the following points before implementing Rule engine in your project. a) When business logic changes frequently: If your application has business logic which changes frequently, you should go for rule engine to maintain those…
When not to use a Rule Engine?
A : Let me describe when not to use Rule engine. Rule engines are not for process/ work flow implementation. So if you need to implement the process or work flow of a software application then you should go for…
What is jQuery mobile framework?
Aastat: jQuery mobile framework is popular because it it lightweight, “write less, do more”, JavaScript library.Some time writing java script is complex.So the purpose of jquery is to make it much easier to the developers to use javascript with the…
What is Near-Field Communication (NFC) on Android?
Aastat: Near-Field communication (NFC) on Android is the next generation technology with a lot of potential in the mobile market place.When this technology is integrated with your mobile device, the mobile device will interact directly with posters, magazines, products at…
How to convert Drools decision table (excel spread sheet) to a (.DRL) file in Drools?
Let us try to create convert Drools decision table (excel spread sheet) to a (.DRL) file in Drools. The SpreadsheetCompiler class is used to convert the input XLS and CSV file to a (.DRL) fail. The required package is “org.drools.decisiontable.SpreadsheetCompiler”.You…