java 7 recipes a problemsolution approach

... 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

... 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 ... 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 ... documentation at http://phplens.com/phpeverywhere/adodb_date_library... incarnations—browser JavaScript, Flash ActionScript, Microsoft JScript, and so on—then you are probably aware that ECMA-262 dates

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

... 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

... Adjust Maintain Medical nutrition therapy 4/day 6–7/day 4/day Insulin Stages 4–6/day 6–7/day 6–7/day* * May reduce to 4/day after the 32nd gestational week. 268 PREGESTATIONAL AND GESTATIONAL DIABETES ... Stage 4 is the GESTATIONAL DIABETES MASTER DECISIONPATH 271 Table 7.2 Timelines to reach management goals Stage Time Medical nutrition therapy 7–14 days Glyburide stage 10–14 days Insulin Stage ... inter-mediaries as dyslipidemia, elevated blood pressure, inelastic arteries, inflammatory disease, and coagulation abnormalities... compared with regular insulin that was accompanied with high patient

Ngày tải lên: 10/08/2014, 18:21

... '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 ... astatic Math() class that will act like math classes in other languages such as Java or JavaScript ■ Note It’s always faster to call the functions directly than it is to use classes to wrap around ... 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

Ngày tải lên: 12/08/2014, 16:20

... to make them automatically appear on the screen. What if you would rather have the file appear as a download, though? You can use the header() function to force a Save As dialog box to appear ... chapter... must also be read and write enabled (a simple CHMOD of 777 can accomplish this) The Code < ?php //sample12_16 .php //Class to create and maintain http authorization class httpauth { protected ... ("Hello World!"); $myarray = array(); $myarray[0] = "Hello"; $myarray[1]... ways available to a web developer are GET and POST When sending data using the GET method, all fields are appended to the

Ngày tải lên: 12/08/2014, 16:20

... _Ch14_FINAL 54 4 8/26/ 05 9 : 59 AM Page 54 4 14 -9 ■ USING SOAP The SoapClient() class has a method called soapCall() that you can use to create and... standard for many years After many ... portability, speed, and functionality, flat files were generally phased out in favor of true database applications Many database solutions are available on the Internet, including Microsoft Access, ... MySQL-based technology You will learn how to connect to a database, store information in a database, and retrieve information from a database;... wddx_serialize_value() Serializes a single

Ngày tải lên: 12/08/2014, 16:20

... as a less stable enzyme For the kinetic characterization of enzyme stability, enzyme solutions areincubated at a particular temperature and aliquots removed at the appro-priate times Enzyme activity ... between native and denatured states of an enzyme and that the heatcapacity remains constant throughout the temperature range studied.The enthalpy of denaturation (J mol−1) is the amount of heat required ... calculated from knowledge ofthe relative proportions of native and denatured enzymes at a particulartemperature The equilibrium constant can thus be calculated ascorre-or native enzyme at a particular

Ngày tải lên: 13/08/2014, 07:20

... multiplication method.search for 1 ms of data to acquire a satellite Longer data are needed for ing a certain satellite acquir-One interesting point is that a navigation data change does not have a ... there is a data transition acqui-in this set of data, the next 1 ms ofdata will not have a data transition Therefore, in order to guarantee there is nodata transition in the data, one should take ... there is a data transition, the next 10 mswill not have one In actual acquisition, even if there is a phase transition caused by a navigationdata in the input data, the spectrum spreading is

Ngày tải lên: 14/08/2014, 10:22

... frontal area of a body is the area seen by a person when looking from upstream The frontal area is appropriate to use in drag and lift calculations for blunt bodies such as cars, cylinders, and ... viscous laminar sublayer 7-9C As a result of streamlining, (a) friction drag increases, (b) pressure drag decreases, and (c) total drag decreases at high Reynolds numbers (the general case), but ... 10384.2)7340.0]( 871) 10163.2(037.0[Pr)871Re 037.0( 2 4 4 3 / 1 8 0 7 3 / 1 8 0 m40 =m)m)(410( 2 2 2 s s s T T hA Q wL A & Trang 77-18E Air flows over a flat plate The local friction and heat transfer

Ngày tải lên: 13/09/2018, 13:39

... 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( ... E?]ian]Ejpanb] _a: E?]ian]Ejpanb] _a _]ian ]7 _]ian] 9 $E?]ian]Ejpanb] _a% Oanre_ao*CapOanre _a$ pulakb$E?]ian]Ejpanb] _a% %7 _?nkoo*@n]s$_]ian]*ReasI]pnet( _]ian]*Lnkfa_pekjI]pnet %7 1-9. Save and Load Data...

Ngày tải lên: 05/03/2014, 22:21

... 978 -1-4302-4 371 -7 ISBN 978 -1-4302-4 372 -4 (eBook) Trademarked names, logos, and images may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked ... 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 ... • Anselm Bradford is a lecturer in digital media at the Auckland University of Technology (AUT) in New Zealand where he researches interactive media, web media, and visual communication....

Ngày tải lên: 08/03/2014, 16:20