7 crystal systems with diagrams

Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P1

Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P1

... included for ease in reference.) When you run it, it would look like Figure 7- 1. Chapter 7: Graphical Examples with Perl/Tk- P1 The Tk extension to Perl can be used to create a Graphical ... place. We want lots of room to type, so we set it up with a default width of 40. Also note that we are storing anything that's been entered with the Entry widget in a global variable called ... this simple program that will just prompt for the word and go look it up without all that extra hassle. Anyone familiar with the xwebster client for the X Window System will find xword to be...

Ngày tải lên: 07/11/2013, 09:15

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Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P2

Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P2

... function, do_search( ), with the URL we extracted from the HTML tag. Then we insert the text for the link into the text widget, and associate it with the tag we just built. Figure 7- 2. xword window ... minutes. For this example, we'll interact with the Federal Express tracking page. When you ship a package via FedEx, they keep track of it with a shipping number (also called an airbill ... "CROATIA", "CYPRUS", "CZECH REPUBLIC", "DENMARK", Chapter 7: Graphical Examples with Perl/Tk- P2 The do_search( ) function will take an optional $url argument, to...

Ngày tải lên: 07/11/2013, 09:15

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Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P3

Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P3

... $self->{'error_as_HTML'}; } The final program ends up looking like Figure 7- 3. Figure 7- 3. Package tracking client Chapter 7: Graphical Examples with Perl/Tk- P3 Our destinations list is an almost exact ... letter, it would scroll to the first entry starting with that letter. Or you could put an additional entry, and search for any word starting with those characters: my $response_f = $mw->Frame; ... The loop_query( ) subroutine gets called when the Loop button is pressed. We query the web site with the information entered, then set up Tk to loop again in $query_interval minutes. To let the...

Ngày tải lên: 07/11/2013, 09:15

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Tài liệu Embedding Perl in HTML with Mason Chapter 7: Using Mason with mod_perl pptx

Tài liệu Embedding Perl in HTML with Mason Chapter 7: Using Mason with mod_perl pptx

... processes on most systems. The reason is that memory that is not modified after a process forks can be shared between a parent and any children it spawns, at least with some operating systems. Configuration ... under Apache. With autoflush off, you can easily start generating content, have your code throw it away halfway through, and then issue a redirect. This will simply not work with autoflushing ... before any whitespace from the rest of the component could be processed as output. Chapter 7: Using Mason with mod_perl While Mason can be used in any text generation context, it is most frequently...

Ngày tải lên: 14/12/2013, 12:15

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Tài liệu Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P4 docx

Tài liệu Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P4 docx

... $mw->after('cancel', $id); } } And finally, webping looks like Figure 7- 4. Figure 7- 4. webping client ## -i : Sets the autoping interval to <int> ## -f : Uses <filename> ... $mw->repeat($ping_interval * 60000, \&ping_site); } else { &end_automode; } } Chapter 7: Graphical Examples with Perl/Tk- P4 Check if Servers Are up: webping For the last example, we'll ... and bring them up automatically the next time we start the program. Here's the final code, with most of the mentioned features represented: #!/usr/bin/perl -w ################################################### ####################...

Ngày tải lên: 14/12/2013, 13:15

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Tài liệu Automating Manufacturing Systems with PLCs (P2) ppt

Tài liệu Automating Manufacturing Systems with PLCs (P2) ppt

... Lamp Relay +24 V DC Power 120 V AC Power Motor Supply Supply O:012 03 O:012 07 Motor Lamp Neut. COM plc wiring - 3 .7 3.2.2 Output Modules As with input modules, output modules rarely supply any power, but ... repeated yet again in Figure 3 .7 for relay output. Figure 3 .7 An Example of a Relay Output Card 120 V AC/DC Output Card in rack 01 I/O group 2 00 01 02 03 04 05 06 07 24 V lamp Relay 24 V DC Power 120 ... outputs is the output number on the card 03 or 07. This card could have many different 24 V DC Output Card in rack 01 I/O group 2 COM 00 01 02 03 04 05 06 07 24 V Lamp Relay +24 V DC Power 120 V AC Power Motor Supply Supply O:012 03 O:012 07 Motor Lamp Neut. COM ...

Ngày tải lên: 22/12/2013, 20:16

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Tài liệu Automating Manufacturing Systems with PLCs (P1) pdf

Tài liệu Automating Manufacturing Systems with PLCs (P1) pdf

... QUANTITY 37. 3 37. 5 MODIFICATIONS 37. 3 37. 6 COMBINING DOCUMENTS 37. 5 37. 7 COLLECTIONS OF DOCUMENTS 37. 5 37. 8 AGGREGATION WITH INDEPENDENT WORKS 37. 6 37. 9 TRANSLATION 37. 6 37. 10 TERMINATION 37. 6 37. 11 ... REFERENCES 36.2 37. GNU Free Documentation License . . . . . . . . . . . . . . . . . . . . . . . 37. 1 37. 1 PREAMBLE 37. 1 37. 2 APPLICABILITY AND DEFINITIONS 37. 1 37. 3 VERBATIM COPYING 37. 2 37. 4 COPYING ... (MCRs) 9. 17 9.6 INTERNAL RELAYS 9.19 9 .7 DESIGN CASES 9.20 9 .7. 1 Basic Counters And Timers 9.20 9 .7. 2 More Timers And Counters 9.21 9 .7. 3 Deadman Switch 9.22 9 .7. 4 Conveyor 9.23 9 .7. 5 Accept/Reject...

Ngày tải lên: 22/12/2013, 20:16

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Tài liệu Automating Manufacturing Systems with PLCs P1 pdf

Tài liệu Automating Manufacturing Systems with PLCs P1 pdf

... QUANTITY 37. 3 37. 5 MODIFICATIONS 37. 3 37. 6 COMBINING DOCUMENTS 37. 5 37. 7 COLLECTIONS OF DOCUMENTS 37. 5 37. 8 AGGREGATION WITH INDEPENDENT WORKS 37. 6 37. 9 TRANSLATION 37. 6 37. 10 TERMINATION 37. 6 37. 11 ... . . . . . . . . 27. 1 27. 1 INTRODUCTION 27. 1 27. 2 SERIAL COMMUNICATIONS 27. 2 27. 2.1 RS-232 27. 5 ASCII Functions 27. 9 27. 3 PARALLEL COMMUNICATIONS 27. 13 27. 4 DESIGN CASES 27. 14 27. 4.1 PLC Interface ... 17. OPEN CONTROLLERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17. 1 17. 1 INTRODUCTION 17. 1 17. 2 IEC 61131 17. 2 17. 3 OPEN ARCHITECTURE CONTROLLERS 17. 3 17. 4 SUMMARY 17. 4 17. 5...

Ngày tải lên: 22/12/2013, 21:18

30 381 0
Tài liệu Signals And Systems With Matlab Applications P2 doc

Tài liệu Signals And Systems With Matlab Applications P2 doc

... 50u 0 t3–()10tu 0 t5–()50u 0 t5–()10tu 0 t5–()+–++ 70 u 0 t5–()10tu 0 t7–( )70 u 0 t7–()+–– e 2t– u 0 t() e 2t– 10t 30–+–()u 0 t2–()20t 80+–()u 0 t3–()20t 120–()u 0 t5–()+++= + 10t 70 +–()u 0 t7–() dv dt 2e 2t– u 0 t() ... +–= 20u 0 t3–() 20t– 80+()δt3–()20u 0 t5–()20t 120–()δt5–()+++– 10u 0 t7–() 10t– 70 +()δt7–()+– t2= t3= t5= δ t() 0= δ t7–()0= e 2t– 10t 30–+–()δt2–() e 2t– 10t 30–+–() t2= δ t2–()= 10δ t2–()–≈ 20t– ... t2–()td ∞– ∞ ∫ t 2 δ 1 t π 2 – ⎝⎠ ⎛⎞ sin vt() 0t7 s<< vt() −10 −20 10 20 12345 6 7 0 vt() ts() e 2t– V() vt() Chapter 1 Elementary Signals 1-22 Signals and Systems with MATLAB Applications, Second Edition Orchard...

Ngày tải lên: 19/01/2014, 18:20

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Tài liệu Signals And Systems With Matlab Applications P1 pptx

Tài liệu Signals And Systems With Matlab Applications P1 pptx

... t2–()u 0 t4–()u 0 t5–()– u 0 t7–()δt7–()++ + + dv dt⁄ −1 −1 1 2 1 23 45 6 7 0 2δ t1+()– dv dt Vs⁄() δ t2–() δ t7–() t s() 2t1–= 1t2= t7= u 0 t() δ t() with MATLABđ Applications Signals and Systems Steven ... Coefficients 7- 2 Symmetry 7- 7 Waveforms in Trigonometric Form of Fourier Series 7- 11 Gibbs Phenomenon 7- 24 Alternate Forms of the Trigonometric Fourier Series 7- 25 Circuit Analysis with Trigonometric ... 5+()δt5–()u 0 t7–()t6–()δt7–()+++ t1–= t2= t7= δ t1–()0= δ t4–()0= δ t5–()0= 2tδ t1+()2t t1–= {}δt1+()2δ t1+()–== t– 3+()δt2–() t– 3+() t2= {}δt2–()δt2–()== t6–()δt7–() t6–() t7= {}δt7–()δt7–()== Chapter...

Ngày tải lên: 19/01/2014, 18:20

30 356 0
Tài liệu Automating Manufacturing Systems with PLCs P2 pptx

Tài liệu Automating Manufacturing Systems with PLCs P2 pptx

... repeated yet again in Figure 3 .7 for relay output. Figure 3 .7 An Example of a Relay Output Card 120 V AC/DC Output Card in rack 01 I/O group 2 00 01 02 03 04 05 06 07 24 V lamp Relay 24 V DC Power 120 ... Card in rack 01 I/O group 2 V+ 00 01 02 03 04 05 06 07 24 V lamp Relay +24 V DC Power 120 V AC Power Motor Supply Supply O:012 03 O:012 07 Motor Lamp Neut. COM plc wiring - 3.10 Figure 3.5 An ... Consider the circuit through the lamp, starting at the 24Vdc supply. When the output 07 is on, current can flow in 07 to the COM, thus completing the circuit, and allow- ing the light to turn on. If...

Ngày tải lên: 19/01/2014, 20:20

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Tài liệu Nonholonomic Mechanical Systems with Symmetry ppt

Tài liệu Nonholonomic Mechanical Systems with Symmetry ppt

... show. 1.2. Control Systems in Momentum Equation Form 1 To help clarify the link with control systems, we now discuss the general form of nonholonomicmechanical control systems with symmetry that ... Section7 we develop the reduced Lagrange-d’Alembert equations(Theorem 7. 5) which gives the equation (1.2.3). For systems with nonholonomic constraints, the equations of motion are associated with ... me- chanical systems, and Lagrangian systems in particular. There are several reasons why mechanical systems are good candidates for new results in nonlinear control. On the practical end, mechanical systems...

Ngày tải lên: 22/02/2014, 08:20

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Managing Linux Systems with Webmin: System Administration and Module Development docx

Managing Linux Systems with Webmin: System Administration and Module Development docx

... Partition 70 Creating a New Filesystem 70 Partition Labels 71 Deleting or Changing a Partition 72 Module Access Control 73 Other Operating Systems 74 Introduction to RAID 74 The Linux RAID Module 75 Introduction ... Options 370 Adding and Editing Fixed Hosts 370 Adding and Editing Shared Networks 372 Adding and Editing Groups 373 Module Access Control 374 Configuring the DHCP Server Module 375 Summary 377 33 ... Webmin Servers 70 0 54 Logging in Webmin 70 7 VI D EVELOPER’S GUIDE 55 Webmin Module Development 71 0 56 Advanced Module Development 72 1 57 Inside the Scheduled Cron Jobs Module 73 4 58 Creating...

Ngày tải lên: 08/03/2014, 23:20

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