hibernate recipes a problemsolution approach

... parrot and costs $25.00 Polynesia says: *squawk* Polynesia curses like a sailor Tweety is a canary and costs $15.00 Tweety says: *chirp* Carla is a canary and costs $15.00 Carla says: *chirp* Carla ... that a class implements an interface, you add the implements keyword plus the name of the interface to the class declaration One advantage that interfaces have over abstract classes is that a ... declared asabstract • An abstract class cannot be instantiated; you must extend it in another class and thencreate instances of the derived class Put another way, only concrete classes can beinstantiated

Ngày tải lên: 06/08/2014, 08:22

... (returns a number or FALSE if an average cannot be calculated): # mixed array_average(array $array)function array_average($array){ $retval = FALSE; if(is_array($array) && count($array)) ... the callback takes one or more array variables as parameters, and theseparameters must be the same number of array variables as passed to array_map() When youpass an array variable to array_map(), ... this: array array_filter(array $array, string $funcname) This function filters an array represented by the variable $array using a callback functionwhose name is funcname The callback acts on an

Ngày tải lên: 06/08/2014, 08:22

... such as character sets. If you use an English-language locale and need to display dates in a language (German or Spanish, for example) that uses the Latin-1 character set or a close relative ... create a timestamp for the first day of the year passed to isLeapYear() as $year and using this timestamp as the second argument for a call to date() date('L'), as you will recall from earlier ... listing. Table 5-3. Format Characters Used by the strftime() Function Character Description Day %A Full weekday name. %a Abbreviated weekday name. %u Weekday number (1 = Monday, 7 = Saturday). %d Day

Ngày tải lên: 06/08/2014, 08:22

... as a common form of storing data, and database interactivity becoming easierand cheaper every year, it is rather commonplace to have to take data from an antiquatedsource (such as a point-of-sale ... bysaying that certain data fields in a database can handle only a certain size field If a string field,for instance, goes into a database field that cannot take the length of the string, an error ... is a universal way to export data, and most databasesystems have features that allow them to read such a file Luckily, reading and writing comma-separated data with PHP 5 is simple, quick, and

Ngày tải lên: 06/08/2014, 08:22

... character that has a special meaning other than its literal meaning The letter a is an example of an atom; the sym-bol ^ is an example of both an atom and a metacharacter (a metacharacter that I will ... Regular Expression Syntax An expression either can be a single atom or can be more than one atom joined together An atom is a single character or a metacharacter A metacharacter is a single character ... atoms are inside the character class A sample character class is [ab], which will match a or b You can use the - character inside a character class to define a range of characters For instance, [a-c]

Ngày tải lên: 06/08/2014, 08:22

... memory associated with a name and a data type, and variables contain data to be used in calculations, program flow, presentation, and so on PHP is a loosely typed language where variables can be ... list of other values All data types are allowed as values Object A class instance Resource A handle to an internal data structure This can be a database connection or a result set Variables of the ... 9:54 AM Page 392 5092_Ch10_FINAL 8/26/05 9:56 AM CHAPTER Page 393 10 ■■■ Working with Variables V ariables are an important part of any programming language, and that goes for PHP too Variables are

Ngày tải lên: 06/08/2014, 08:22

... regular datatyped values To pass a value such as an array or an object, you must first serialize the value into a format that can be passed easily and effectively PHP contains two handy ... "Object: " $newclass->getsomeval() ""; $newarray = array (); $newarray = $_GET['passedarray']; $newarray = stripslashes ($newarray); $newarray = unserialize ($newarray); print_r ($newarray); } ?>... ... that anything that makes a system work is readily available to a crafty programmer. Algorithms that track a unique individual on a website or functions that work with headers and querystrings are

Ngày tải lên: 06/08/2014, 08:22

... Handling Special Characters An added security feature, particularly when dealing with database submittal, is validating against special characters being inserted into your script Be it a database ... the elements are as simple as a tag name In manycases, documents require that the elements or tags have attributes that specify additional infor-mation for each tag An example is the table element ... of any characters that could be harmful tothe database such as apostrophes The end result is a string that is quite squeaky clean, andyou can feel safe performing functionality on it 13-10 Creating

Ngày tải lên: 06/08/2014, 08:22

... Form Many great PHP- based database maintenance software packages are on the market (phpMyAdmin is our personal favorite), so you have to wonder—how do they do it? Well, maintaining a database ... current standard for portable data is Extensible Markup Language (XML) XML is completely portable and can be read by almost every major software release available In the past, different data storage ... exactly what type of database engine a particular script can use To better accommodate a variety of scenarios, the next two examples will guide you through creating a database class that

Ngày tải lên: 06/08/2014, 08:22

... 'state' => 'CA'); How It Works The simplest way to create an array in PHP is to call array() without any arguments, whichcreates a new, empty array You can create an array that is already ... R AY A S A S T R I N G 126 Trang 14To output all the values of an associative array as a string, you can use the array_values()function to get an ordered array consisting of the associative array’s ... purposes, you may also want to use the print_r(), var_export(), and var_dump()functions to output an array as a tree These are all particularly useful with associative arrays andnested arrays, as they

Ngày tải lên: 12/08/2014, 16:20

... complex values in a querystring takes a little more effort than passing regular data-typed values To pass a value such as an array or an object, you must first serialize the value into a format that ... $newclass->getsomeval() "<br />"; $newarray = array (); $newarray = $_GET['passedarray']; $newarray = stripslashes ($newarray); $newarray = unserialize ($newarray); Trang 22How ... nothing as the cookie is dead ?> How It Works As you can see, this class makes it easy to create, maintain, and output a cookie Having the functionality available to you from an easy-to-manage

Ngày tải lên: 12/08/2014, 16:20

... 5092_Ch14_FINAL 8/26/05 9:59 AM Page 531 [...]... sale sale sale sale sale sale sale in in in in in in in in in in in in January was 10 February was 12 Marts was 15 April was 19 May was 30 June was 45 ... USING SOAP The SoapClient() class has a method called soapCall() that you can use to create and... standard for many years After many problems with portability, speed, and functionality, flat files ... generally phased out in favor of true database applications Many database solutions are available on the Internet, including Microsoft Access, SQL Server, Oracle, and a few others Out of the pack

Ngày tải lên: 12/08/2014, 16:20

... statistical software journey writing programs in Fortran I might find that a given program did not have a particular analysis I needed, such as a routine for calculating an intraclass correlation, ... capabilities Many users are attracted to R primarily because of its graphical features R has basic and advanced plotting functions with many customization features Chambers and others at Bell Labs were ... for many years, as well as in private industry as a personnel psychologist and organization effectiveness manager He has programmed in a variety of computer languages and scripting languages,

Ngày tải lên: 13/03/2019, 10:44

... is a special kind of list and the most common data object for statistical analysis Like any list, a data frame can contain both numerical and character information Some character information can ... Text data is typically formatted in lines and paragraphs for human beings to read and understand Qualitative researchers treat textual material the same way quantitative researchers treat numbers ... Trang 32Data StructuresAs a refresher, the basic data structures in R are vectors, matrices, lists, and data frames Remember R does not recognize a scalar quantity, instead treating that quantity

Ngày tải lên: 19/04/2019, 14:01

... solutions PySpark might read data from HDFS, NoSQL databases, or a relational database management system (RDBMS) After data analysis, we can also save the results into HDFS or databases This chapter ... ■ Note You can read more about apache kafka at the following sites: https://kafka.apache.org/documentation/ https://kafka.apache.org/quickstart Apache Spark Apache Spark is a general-purpose, ... 261 Trang 17About the AuthorRaju Kumar Mishra has a strong interest in data science and systems that have the capability of handling large amounts of data and operating complex mathematical models

Ngày tải lên: 25/12/2020, 14:17

... data Trang 16management, data analytics, data integrations, and basically anything data focused They sound like a perfect group to partner with as the guardians of the data Another branch that ... DBA, which is a soft skill that we are already possess Leadership Leadership is not about a position, because we are not all DBA managers or team leads We have databases that we manage and teams ... Columnar, InMemory, Warehouse, and Analytical databases are all part of the database administrator’s job The database platforms continue to grow and develop Even with many relatively new databases

Ngày tải lên: 25/12/2020, 14:18

... solutions PySpark might read data from HDFS, NoSQL databases, or a relational database management system (RDBMS) After data analysis, we can also save the results into HDFS or databases This chapter ... ■ Note You can read more about apache kafka at the following sites: https://kafka.apache.org/documentation/ https://kafka.apache.org/quickstart Apache Spark Apache Spark is a general-purpose, ... 261 Trang 17About the AuthorRaju Kumar Mishra has a strong interest in data science and systems that have the capability of handling large amounts of data and operating complex mathematical models

Ngày tải lên: 30/12/2020, 15:34

... variable a data type and then assign a value to it (as in languages such as C++ and Java), PHP automatically assigns a data type to a variable when a value is allocated to it. This makes PHP rather ... regular arrays, multidimensional arrays, and even the handy associative array. Unlike the string functions available to PHP, the array functions are actually rather well organized and follow fairly ... always assigned by value, since the PHP 4 release (and including PHP 5), you can now assign variables by reference. This means you can create something of an alias to a variable that will change...

Ngày tải lên: 27/10/2013, 07:15

... Ranpat @a_ h]n]pekj$`are _a( ± RanpatLkoepekjPatpqna*RanpatAhaiajpo%7 y lq^he_ kranne `a rke` Ql`]pa$C]iaPeia c]iaPeia% w ?na]pa>>Ranpe_ao$%7 ^]oa*Ql`]pa$c]iaPeia%7 y * * * lq^he_ kranne `a ... pnqa7 Cqe `a* >acejOdksOpkn]ca@are_aOaha_pkn$Bej`Opkn]ca@are _a( o]raNamqaop%7 y eb $gauOp]pa*EoGau@ksj$Gauo*H%% w klan]pekjLaj`ejc 9 pnqa7 Cqe `a* >acejOdksOpkn]ca@are_aOaha_pkn$Bej`Opkn]ca@are _a( ... WITH XNA 3.0 25 lner]pa rke` Bej`Opkn]ca@are _a$ E=ouj_Naoqhp naoqhp% w Opkn]ca@are _a opkn]ca@are _a 9 Cqe `a* Aj`OdksOpkn]ca@are_aOaha_pkn$naoqhp%7 eb $opkn]ca@are _a 9 jqhh% O]raC]ia$opkn]ca@are _a% 7 y The...

Ngày tải lên: 05/03/2014, 22:21

... Trademarked names, logos, and images may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked name, logo, or image we use the names, logos, and ... may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked name, logo, or image we use the names, logos, and images only in an editorial fashion ... digital media at the Auckland University of Technology (AUT) in New Zealand where he researches interactive media, web media, and visual communication. He has been a technical reviewer...

Ngày tải lên: 08/03/2014, 16:20