9  threads and concurrency

... 6.7 6.8 Conditionals Loops Iterators and Enumerable Objects Blocks Altering Control Flow Exceptions and Exception Handling BEGIN and END Threads, Fibers, and Continuations Defining a Simple Class ... 9.7 9.8 9.9 Strings Regular Expressions Numbers and Math Dates and Times Collections Files and Directories Input/Output Networking Threads and Concurrency 304 310 321 325 328 350 356 366 373 ... computation, collections (such as arrays and hashes), input/output, networking, and threads After reading this chapter, you’ll understand the breadth of the Ruby platform, and you’ll be able to use the...

Ngày tải lên: 05/03/2014, 22:21

... operator to both the left hand and right hand sides of the operator and putting the results into the left hand side The example could have been written as "result = result + x" and returned the same ... evaluating expressions, post-increment and post-decrement operators return their current value and then apply the operators However, when using pre-increment and pre-decrement operators, the operator ... > left Relational Equality < > = is == != left right Logical AND Logical XOR & ^ left left Logical OR Conditional AND | left && left Conditional OR || left Conditional Assignment ?: =...

Ngày tải lên: 21/12/2013, 06:16

... defined elsewhere (like the C standard library) and makes the code executable Athena is MIT's UNIX-based computing environment OCW does not provide access to it Functions and variables as symbols • ... dynamic library are allocated memory and loaded from shared library file 16 Loading shared libraries on demand • In Linux, can load symbols from shared libraries on demand using functions in dlfcn.h ... code) 17 Loading shared libraries on demand • Get the address of a symbol loaded from the library: void ∗ dlsym(void ∗ handle, const char ∗ symbol_name); handle from call to dlopen; returned address...

Ngày tải lên: 25/04/2013, 08:07

... mature pandan leaf 20672313 2-AP in old pandan leaf 31776315 Table Content of - AP (ng/kg) in the pandan leaves quantified by SDE-GCFID Pandan leaves Young pandan leaf Mature pandan leaf Old pandan ... clearly these changes, SDE and SPME coupling with GC-FID and GCMS were used to identify, quantify and presented in this paper MATERIALS AND METHODS 2.1 Materials The pandan (Pandanus amaryllifolius) ... like Pandan leaf (Phan Phuoc Hien, 2011) Based on the two methods we studied for extraction and quantitative analysis of 2-AP in the pandan leaf and used it as the standard for qualitative and...

Ngày tải lên: 28/08/2013, 16:28

... creational and structural design patterns can be used to define an architectural template This section discusses creational and structural design patterns and their uses Module 2: Architecture and ... Web services facade and the business facade The Web services facade exposes features and functionality to external users and applications The business facade exposes features and functionality ... passed to and from data services The DAL is usually separated into two types: the objects that only perform retrieval and not participate in transactions, and the objects that manipulate data and can...

Ngày tải lên: 19/10/2013, 02:15

... and then click ISA Management b In ISA Management, in the console tree, expand Servers and Arrays, expand server (where server is the name of the ISA Server computer), expand Access Policy, and ... configure and maintain ISA Server as a stand-alone server or an array ISA Server uses the LAT and the local domain table (LDT) to manage internal and external connections You can add IP address and ... Close the Add/Remove Programs dialog box, and then close Control Panel a Open a command prompt window b At the command prompt, type ftp london.nwtraders.msft and then press ENTER The ftp utility reports...

Ngày tải lên: 27/10/2013, 02:15

... protons and electrons have the same amount of charge, for the atom to be neutral there must be equal numbers of protons and electrons Tro, Chemistry: A Molecular Approach 38 Relative Mass and Charge ... an ultimate, tiny, indivisible particle  Leucippus and Democritus • Other philosophers believed that matter was infinitely divisible  Plato and Aristotle • Since there was no experimental way ... to Make Sodium Chloride • the mass of sodium and chlorine used is determined by the • number of atoms that combine since only whole atoms combine and atoms are not changed or destroyed in the...

Ngày tải lên: 28/11/2013, 01:11

... forms and from many different sources There are physical threats, like fires, floods, terrorist activities, and random acts of violence And there are electronic threats like hackers, vandals, and ... integrity, and availability; and you may experience attacks against these dimensions We can think of these as the “primary colors” of information assurance By mixing and matching these and we mix and ... scanning, host and network intrusion detection, honeypots/honeynets and risk assessment; is there more? Now, we add security policy, password strength and assessment, incident handling, information...

Ngày tải lên: 09/12/2013, 17:15

... folders and files You can move, copy, rename, and delete these folders and files as if they were on a regular file server You can also view the folder and file properties, and you can use a drag -and- drop ... Enterprise Edition and Exchange 2000 Standard Edition is that Standard does not support multiple Exchange 2000 Servers and is limited to a single, 16gigabyte (GB) database per server The Standard edition ... Portal Server and examine log files This topic describes how to uninstall and repair SharePoint Portal Server and how to troubleshoot the installation process 18 Module 2: Installing and Configuring...

Ngày tải lên: 10/12/2013, 16:15

... and then click ISA Management b In ISA Management, in the console tree, expand Servers and Arrays, expand server (where server is the name of the ISA Server computer), expand Access Policy, and ... configure and maintain ISA Server as a stand-alone server or an array ISA Server uses the LAT and the local domain table (LDT) to manage internal and external connections You can add IP address and ... Close the Add/Remove Programs dialog box, and then close Control Panel a Open a command prompt window b At the command prompt, type ftp london.nwtraders.msft and then press ENTER The ftp utility reports...

Ngày tải lên: 10/12/2013, 16:16

... creational and structural design patterns can be used to define an architectural template This section discusses creational and structural design patterns and their uses Module 2: Architecture and ... Web services facade and the business facade The Web services facade exposes features and functionality to external users and applications The business facade exposes features and functionality ... passed to and from data services The DAL is usually separated into two types: the objects that only perform retrieval and not participate in transactions, and the objects that manipulate data and can...

Ngày tải lên: 10/12/2013, 16:16

... show running-config on each router If not correct, fix any configuration errors, and verify Step Login to Router and verify the connection to Router a Login to the Gadsden router in user mode b ... Birmingham router If the ping is not successful, return to Step and troubleshoot the configuration Step Use help with the telnet command a Enter telnet ? at either the user EXEC or the privileged ... Routers and Routing Basics v 3.0 - Lab 4.2.2 Are the keepalive messages being received? Copyright  2003, Cisco Systems, Inc Step Enter privileged EXEC mode a Enter enable at the command prompt...

Ngày tải lên: 11/12/2013, 14:15

... show running-config on each router If not correct, fix any configuration errors and verify Step Login to Router and verify the connection to Router a Login to the Gadsden router in user mode b ... Birmingham router If the ping is not successful, return to step one and troubleshoot the configuration Step Use help with the telnet command a Enter telnet ? at either the user exec or the privileged ... Enter privileged exec mode 2-5 CCNA 2: Routers and Routing Basics v 3.0 - Lab 4.2 Copyright  2003, Cisco Systems, Inc a Enter enable at the command prompt Enter the password class b What prompt...

Ngày tải lên: 11/12/2013, 14:15

... application and then test their understanding of the proposed solution In the second part of the lab, students will use Visual Modeler to model aspects of the system and generate code Materials and Preparation ... model Save the project and model and then Close Visual Basic and Visual Modeler Module Strategy Use the following strategy to present this module: ! Introduction to Analysis and Design Tell students ... diagrams and deployment diagrams in the physical design phase to generate code from Visual Modeler Module 2: Designing and Modeling # Introduction to Analysis and Design ! Importance of Analysis and...

Ngày tải lên: 11/12/2013, 14:15

... elements can enhance the look and feel of the page Discuss and demonstrate how Site Manager enables site designers to customize the content, layout, design, and header and footer of a Web site home ... format the content, and customize the header and footer Customizing the Home Page Layout ! Lead-in Customizing the Home Page Content Customizing the Header and Footer The design and layout of your ... appearance of your Web page’s header and footer according to your type of business ! The header and footer appear at the top and bottom of your Web pages ! The header and footer help to give your Web...

Ngày tải lên: 11/12/2013, 14:15

... Server, and it handles the storage and maintenance of metadirectory data MMS Compass is the client component of MMS, and it is typically installed on the administrator’s workstation and used ... Installing and Exploring MMS Overview Topic Objective To provide an overview of the module topics and objectives ! Introduction to MMS Server and Clients Lead-in ! Installing MMS Server ! Installing and ... Installing and Exploring MMS 13 # Installing and Configuring MMS Compass Topic Objective To introduce the concepts of installing and configuring MMS Compass Lead-in After MMS Server is installed and...

Ngày tải lên: 21/12/2013, 19:15

... keep multiple threads of execution separate, and the code must take care to access shared data in ways that prevent corruption of the data Writing code that handles concurrency and avoids race ... calls, and some are in charge of interrupt handling Concurrency in the Kernel One way in which device driver programming differs greatly from (most) application programming is the issue of concurrency ... of the calling process and is able to access data in the process's address space Code that handles interrupts, on the other hand, is asynchronous with respect to processes and is not related to...

Ngày tải lên: 24/12/2013, 01:17

... Tense and Agreement m Make sure the subject and verb agree in tense and in number Countries are singular Structure: Error Identification TIP 53 Seven Common Errors: Error #2 Nouns Singular and ... she was better" n Locate the main subject and a main verb n Remember that "because" usually signals a dependent clause which also contains a subject and verb but not the main ones If there's ... pattern." "There is", "there are", "there were", "there was", "it is", and "it was" are examples of no main verb or subject and are classed as expressions Sentence Completion Tip 50 Strategy: Locate...

Ngày tải lên: 24/12/2013, 19:15

... adapters and related cables Module 2: Installing and Upgrading to Windows 2000 Advanced Server Important The Windows 2000 Setup program automatically checks your hardware and software and reports ... /cmd: command_line Executes a command before the final phase of Setup /cmdcons Copies additional files to the hard disk that are necessary to load a command-line interface for repair and recovery ... Media, and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in the U.S.A and/ or other countries The names of companies, products, people, characters, and/ or...

Ngày tải lên: 17/01/2014, 08:20