the pragmatic programmer guide ruby pdf

... Suddenly the sound of laughter is heard As the viewer rotates away from your office tower, the laughter is drowned by the traffic noise Or a tranquil beach panorama could reveal the Jaws theme as the ... later Trang 4The point is to link to the stub file, not the actual Real-encoded file The stub file, being text, downloads almost instantly If the user’s browser is configured correctly, the stub ... answer the clamor for sound and video and other fancy stuff? The engineers at Netscape were inventing what a web browser was supposed to be as they went along Eventually they hit upon the notion

Ngày tải lên: 03/07/2014, 08:20

... portions of the standard it is capable of using Servers would then send only the content appropriate to the device Another Web concept that has been maintained in the wireless realm is the browser ... whether in their cars or when walking down the street And, most likely, they’ll be using it one-handed while simultaneously engaged in some other activity, whether taking notes or eating their ... server.The portion of the connection that travels over the wireless link, known as the air interface, uses different protocols, but these are for the most part invisible to the Webmaster, and have

Ngày tải lên: 04/07/2014, 02:20

... another loca- tion.The installer then copies the software to your system, and the final install screen gives you the option of viewing the ReadMe file and starting the UP.Simulator. Choose the ... Settings from the menu bar.You will then be able to select either a direct HTTP connection, or to use one of the gateways specified.The gateways are all prefilled with the names of the Openwave ... UP.Simulator will look for the file on the disk again, but if we load the hello.wml file from the previous example again, we notice that it finds the file in the cache.This is indicated by the text “cache hit:

Ngày tải lên: 04/07/2014, 02:20

... compose their messages, they have the option to put the e-mails in their outboxes.The e-mail will not be sent until the users open the iMessenger application and send/receive their mail. If the information ... presses OK, they are returned to the page containing the timepicker object, with the selected time displayed (see Figure 6.26). If the value attribute is omitted, or if the value is not in the expected ... field, the user is presented with a dialog to specify the time. Each field is selected and manipulated with the arrows in the center of the dialog box (see Figure 6.25). Once the user selects the

Ngày tải lên: 04/07/2014, 02:20

... Chapter 7 319 Once the user has selected the Department in which to search by pressing the accept key, they are returned to the first card in the deck.They can then narrow their search by Location ... describes the location of the library, and also allows the user to choose a link that will give them directions to the library from the 4 compass points. Upon selecting to receive directions from the ... deck. On the second request, the user was sent the entire content of the information section (eight cards) in a single deck. The user only had to connect to the server twice: once to receive the global

Ngày tải lên: 04/07/2014, 02:20

... using the user’s private key, thus verifying the presence of the user’s private key without disclosing it. ■ Authenticity Authenticity means that the recipient of a message can verify the origin ... verify the identity of the recipient.This is referred to as digital authentication. For both private and public key encryption, the degree of security depends on the algorithms and on the length ... length of the keys used and the sophistication of the encryption algorithms.These in turn are a function of device capacity, processing power, and wireless network band-width As with other device

Ngày tải lên: 04/07/2014, 02:20

... Protocol J J2ME See Java2 Micro Edition Java applets, 253 Java AWT, 58 Java Console, 200 Java for the Win32 platform, 199, 209 Java Runtime Environment (JRE), version 1.3, 189 Java Server Pages ... Applications Global Network mail() function See PHP Hypertext Preprocessor Mailto:, usage, 274–276 Man-in-the-middle attack, 448, 453–454 Trang 3Market Update, 297Markup languages See Compact HyperText ... Text Markup Language options, 61–62 Markup, limiting See Display-based markup; Redundant markup Mathematical operations (performing), WMLScript usage, 151–153, 176 Member (object), 399 Memo Pad,

Ngày tải lên: 04/07/2014, 02:20

... name. The other is to use the table name in the WHERE clause of the SELECT statement. The following script will list all the triggers defined on a table: DESCRIPTION This script lists the definition ... after the other, instead of the more usual horizontal format. The result makes for a very readable display of the trigger definition. DESCRIPTION This script lists the definition of the specified ... have access The only time the ALL_SYNONYMS view would show you all the synonyms in the database would be if you happened to have access to all the objects in the database. Running the LIST_SYN.SQL

Ngày tải lên: 05/07/2014, 04:20

... found in the DBS directory, underneath the Oracle home directory On Windows NT, the full path and filename for the script is: C: \ORANT\DBS\POPBLD SQL On Unix systems, the script will be in the SQL*Plus ... SQL> Do not be alarmed by the error messages They are nothing to worry about and are simply the result of the way Oracle wrote the script If you now were to run the script again, you would ... using the wildcard characters that are used with the LIKE predicate, the percent sign and the underscore A value of % would make the restriction apply to all users. COMMAND_NAME This is the name

Ngày tải lên: 05/07/2014, 04:20

... SQL*Plus normally signals the end of the statement The statement is then placed into the buffer, and you then have the option of making further edits or of executing the statement Turning SQLBLANKLINES ... ON These commands will set your prompt to the global database name The global name comes from the global_name view, and may or may not be the same as the connect string you used to connect to the ... lowercase x in the WHERE clause does not match the uppercase X in the dummy column Case conversion occurs when the statement is transmitted to the database server The contents of the buffer will

Ngày tải lên: 05/07/2014, 04:20

... script_file Is the name of the file you want to execute, and may include the path and the extension The default extension is SQL The default path is the one pointing to the directory where the calling ... that calls the other Use the @@ command in the first script file to call the second Then put both files in the same directory Now, regardless of whether or not that directory is in the search path, ... comment_text */ where: /* Marks the beginning of the comment comment_text Is the text making up the comment */ Marks the end of the comment Trang 3Double Hyphen (- -)The double hyphen may be used

Ngày tải lên: 05/07/2014, 04:20

... Is the name of the file you want to execute, and may include the path and the extension. The default extension is SQL. If you do not specify a path, SQL*Plus will look for the file first in the ... Causes the database to be mounted, but not opened. The instance will be started. The control file will be opened, but none of the other database files will be opened. The MOUNT stage is the one ... the title is displayed. format_spec Is a string that specifies the display format to use for subsequent numeric data in the title. The format elements you can use here are the same as for the

Ngày tải lên: 05/07/2014, 04:20

... Let's Add the Ellipsis for Fun) 217 The Dash: Long and Lean 211 The Hyphen: Short and Sweet 218 The Ellipsis: Dot, Dot, Dot 218 Parentheses and Brackets: Bosom Buddies 218 (Parentheses) 219 ... Parft: Tools of the Trade 191 15 The Writer's Tools: Round Up the Usual Suspects 193 Pencil Pusher 193 Using the Dictionary: You Could Look It Up 194 Who You Gonna Call? 195 Read the Labels 196 ... 200 The Thesaurus: War of the Words 201 Lets Go Shopping 202 Whiz-Bang Thesaurus Programs 202 Trang 7Contents xiii 16 Punctuation: Commas Are Our Friends 203 Punctuation Matters 203 Show Me the

Ngày tải lên: 08/07/2014, 11:20

... 261). It is known that the lower people’s RD is, the more they accept responsibility and feel responsible for others’ welfare, while the higher people’s RD is, the greater their tendency to ignore ... deny that the increasingly omnipresent nature of the World Wide Web in the workplace is dramatically revolutionizing the manner in which we work. The advantages of the World Wide Web are the ability ... organizational position. The high response rate of 89% (481) was attributed to the fact that the participants were either registered in the courses or they were acquainted with the MBA students. Our...

Ngày tải lên: 24/12/2013, 18:15

... of the other’s name or likeness, 46 unreasonable publicity given to the other’s private life, 47 and publicity that unreasonably places the other in a false light before the public. 48 Of these ... the ordinary course of business” includes anything of interest to the employer’s business. The Court stated that the exclusion does not apply to the interception of personal calls except to the ... employer provided notice to the employee of the monitoring and whether the level of monitoring was justified are both relevant. Depending on the circumstances of the monitoring and which test...

Ngày tải lên: 24/12/2013, 18:15

... are attached to the roof of the spawning site; the female tends them while the male defends the territory. The fry are free-swimming after 8-10 days, under the watchful eyes of the adults. J. ... which can be mated with the normal variety; the fry will then display the coloration of one or other of the parents. Size: 10-15 cm. Labeo bicolor The red-tailed black shark, rather nocturnal in its ... those of the genus Echinodorus) or on PVC pipe placed in the tank. She will sometimes choose other, sur- prising sites, such as the aquarium glass or the heat- ing equipment! The male then joins the...

Ngày tải lên: 26/01/2014, 18:20

... used for these systems (see § 4.2). The continuum point-source sensitivity depends on three factors. These are the thermal noise floor, the 1/f gain fluctuations of the receiver, and the astronomical ... above the theoretical value predicted by the radiometer equation. Note that the predicted RMS confusion assumes no knowledge of the confusing sources. However, for most regions of the sky there ... rectangular area of the sky while taking data. The observer specifies the coordinate system, dimensions of the rectangular area, which of the two dimensions the telescope will slew in, the telescope...

Ngày tải lên: 16/02/2014, 10:20