3  building a two column layout with fixed width columns

... installed • Two Ethernet 10BaseT or Fast Ethernet switches or two hubs • Two routers with an RJ45 Ethernet or Fast Ethernet interface (or an AUI interface) and at least one serial interface • ... the IP address of each PC is on the same network as the default Gateway, which is the Ethernet interface of the connected router The default Gateway is required on local area networks that are connected ... lab assistant so that the Ethernet interface on each router has the proper IP address and subnet mask as indicated in the table below This will allow the routers to route packets between local...

Ngày tải lên: 11/12/2013, 14:15

... currently have no way of actually saving avatars, for example—but what we have presently is enough to build the pages for uploading and displaying avatars 12.1.2 Avatar upload page We’ll be giving RailsSpace ... in avatar_helper.rb, which relies on the Rails image_tag helper function: Listing 12.5 app/helpers/avatar helper.rb module AvatarHelper # Return an image tag for the user avatar def avatar_tag(user) ... :avatar would if the avatars were stored in the database For example, we can write things like @user.avatar.exists? to see if a particular user already has an avatar There is much to add to this model—we...

Ngày tải lên: 13/08/2014, 08:20

... make the Avatar model a subclass of ActiveRecord::Base The answer is that we wanted access to the error handling and validation machinery provided by Active Record There’s probably a way to add ... RailsSpace users 13.1 Action Mailer Sending email in Rails is easy with the Action Mailer package Rails applies the MVC architecture to email, with an Action Mailer class playing the part of ... simulated table names, foreign keys, and the has_many database association Adding and managing friendships will then take place through both email and web interfaces By the end of the chapter,...

Ngày tải lên: 13/08/2014, 08:20

... use a tag modifier as if it were an action, so that /specs/1;tag would respond to a PUT request and update the spec with a tag But look at it another way: Fundamentally, we are creating a tag and ... this case, @blog.posts is not exactly an array—among other things, it interacts with the database in a way that no plain array could—but the “append” operation really does everything that implies: ... search; browsing by age, sex, and location; a doubleblind email interface; and customizable user profiles with avatars and friends lists In this chapter and the next, we’ll add one final feature:...

Ngày tải lên: 13/08/2014, 08:20

... considerations 507 Listing 17.1 config/database.yml development: adapter: mysql database: rails_space_development username: root password: host: localhost test: adapter: mysql database: rails_space_test ... One way to take some of the load off of your web and database servers is to use caching Rails has a powerful caching system to help avoid the computational and database-access expense of generating ... rendering a particular page as a plain HTML file, which can be served directly through the webserver as static content Action caching is similar to page caching, with the results of a particular action...

Ngày tải lên: 13/08/2014, 08:20

... Data access layer Encapsulates database access and provides an interface that is database and data source independent It also provides object factories that create Entity classes out of database ... with the database DatabaseHelper is a class used for performing common database operations DashboardDataContext is generated by LINQ to SQL and maps entities to database tables Data Model To ... that work with databases via DatabaseHelper and DatabaseContext On the web layer, Default.aspx is the entry point It uses DashboardFacade to perform operations such as adding a new tab or widget,...

Ngày tải lên: 15/11/2012, 14:24

... the data center with a redundant link to the main via a 10-gigabit Ethernet collapsed fiber backbone to handle simultaneous traffic at full speed Each IDF is connected with 48 strands of ADC’s ... “Because the existing hospital had been added on to so many times, we had a mishmash of Category 3, Category 4, Category 5, and Category 5e cabling spread throughout the facility,” explains Ryan ... manager for Johnson Controls “From an application perspective, there wasn’t The new Children’s Hospital boasts a 5,000-square foot main data center and a1 0-gigabit Ethernet collapsed fiber backbone...

Ngày tải lên: 21/12/2013, 07:17

Ngày tải lên: 25/01/2014, 05:20

... online chat system that can be used at anytime So at anytime users can start their own chats and invite others; they could join a chat already established, such as a help desk chat Also, chats can ... 10 Chapter • Getting Started with the MCS 5100 Professional Assistant Services An assistant console may be added to any user so that they can take, screen, and handle all calls for another party.This ... Solutions Fast Track What Is the MCS 5100? It is a SIP-based multimedia and collaborative applications server that also provides PBX-based features It is an applications-based, communications-based...

Ngày tải lên: 25/01/2014, 17:20

... CELLAR® assert XA14:1, data LSB, XA0=1 assert /WE deassert /WE, hold XA and data assert data MSB, XA1=0 assert /WE deassert /WE, hold XA and data RAM read byte RAM read word RAM write byte RAM ... make ease-of-use tradeoffs in favor of core users Because FPGAs are malleable and FPGA SoC design is so new, I wanted an interface that can evolve to address new requirements without invalidating ... two CLBs, and perhaps a column of TBUFs Control signal abstraction can also make bus interface evolution easy If you revise MEMCTRL and DCTRL together, arbitrary changes to CTRL15:0 can be made...

Ngày tải lên: 26/01/2014, 14:20

... over Q with no proper subfields; one can formulate similar ideas in the general case Let L be such a number field Then OL is a lattice endowed with a natural quadratic form, namely x → tr(x2 ); as ... successive maxima and Remark 3.2 rather than just Lemma 3.1 This seems like an interesting optimization question; the gain for small n can be significant although one does not obtain an exponent near Proof ... like an interesting computational question We remark that this particular example can also be analyzed by constructing an associated quintic extension (using the isomorphism of PSL2 (F5 ) with A5 ...

Ngày tải lên: 06/03/2014, 08:21

... chirata joins the growing list of secondary plant metabolites that are derived from an early shikimate derivative as opposed to a pathway via phenylalanine and cinnamate A hypothetical mechanism ... phosphoenolpyruvate unit by decarboxylation of Cambridge Isotope Laboratories (Andover, MA, USA) [U-13C9]Cinnamic acid was prepared by treatment of 13 L-[U- C9]phenylalanine with phenylalanine ammonia-lyase ... signals from a sample with natural 13C abundance are shown for comparison in Fig 3A It is obvious that five carbon atoms (C8, C4b, C8b, C2 and C4) are significantly enriched in 13C above the natural...

Ngày tải lên: 08/03/2014, 02:21

Ngày tải lên: 09/03/2014, 01:20

... update the database report any errors test the non-Ajax version extra bits adding records via Ajax what we’ll add the Ajax elements apply the Ajax layer set up the Ajax prepare the form data complete ... take advantage of Ajax (because their browser doesn’t support JavaScript and XMLHttpRequest) Creating an Ajax-enabled application that will still function for non-Ajax-enabled browsers is a two- step ... Where those designations appear in this book, and Peachpit was aware of a trademark claim, the designations appear as requested by the owner of the trademark All other product names and services identified...

Ngày tải lên: 27/03/2014, 13:38

... thay đổi: µ− ¯ JW = cθ (¯aL γ µ laL + uaL γ µ daL ) − sθ νaL γ µ laL + UL γ µ d1L + uαL γ µ DαL , ν ¯ ¯c ¯ µ− ¯ JY = cθ νaL γ µ laL + UL γ µ d1L + uαL γ µ DαL + sθ (¯aL γ µ laL + uaL γ µ daL ... (2) (3) ω2 Tương tác Yukawa viết dạng: LY = LLNC + LLNV , ¯ ¯ ¯ ¯ LLNC = hU Q1L χUR + hD QαL χ∗ DβR + hd Q1L φdaR + hu QαL φ∗ uaR αβ a a ¯ +hl ψaL φlbR + hν ab ab ¯c pmn (ψaL )p (ψbL )m (φ)n + ... trung hoà: 2χ0 = S1 +iA1 , 2χ0 = 3 √ S3 +iA3 , 2φ2 = S2 +iA2 , ta thu boson Goldstone: G1 = A1 , G2 = A2 , G3 = A3 hai số hạng khối lượng ứng với trường trung hoà mang điện: N Vmass = λ1 (uS1 + ωS3...

Ngày tải lên: 03/04/2014, 12:22

... Horizontal and Increase Vertical  Decrease Horizontal and Decrease Vertical Anchoring: Automatically Resizing Controls  Normally, the controls have a fixed, unchanging size Fixed size controls make ... navigation control − If want to change the navigation button caption, double-click the caption and type name the new Navigation Forms  Creating a Two- Level Navigation Form: − To create navigation ... you can make changes in a field − Enabled lets you deactivate a control altogether Taking Control of Controls  Prevent Errors with Validation: − Validation Rule sets an expression that the value...

Ngày tải lên: 04/05/2014, 19:59

... use it After you create a database, you must associate a user with a username and password with the database Joomla! asks you for that information during the installation process so, again, write ... Installing Joomla! 1.6 requires a series of steps on a Webserver Ǡ A MySQL database with a username, password, and database name is required Ǡ The database is created via the Website control panel ... the Category Manager opens a manager that includes Articles, Categories, and Featured Articles tabs The page opens automatically to the Categories tab Figure 2-4 shows the Category Manager: Articles...

Ngày tải lên: 29/05/2014, 23:54

... of many natural building materials available to a home builder While we have chosen straw bales as our favorite natural material for building exterior walls, we would by no means discourage anybody ... greater risks for moisture damage than does vapor migration through walls finishes So What About Bale Walls? The plaster coating on bale walls is an effective barrier against damaging air leakage ... most common reasons for building with bales Straw as a Building Material Not a Building Newcomer espite its relatively new status as a building material in North America, straw has been used in...

Ngày tải lên: 04/06/2014, 13:11

... locking plate and an anterior plate with a posterior column lag screw However, a posterior plate with anterior column lag screw was significantly stiffer than an anterior locking plate We found a trend ... Relat Res 2001:433-441 doi: 10.1186/1749-799X-5-30 Cite this article as: Khajavi et al., Single column locking plate fixation is inadequate in two column acetabular fractures A biomechanical analysis ... the fixation stiffness of transverse acetabular fractures using anterior column locking plates, conventional anterior column plates, and plate-lag screw combinations Khajavi et al Journal of...

Ngày tải lên: 20/06/2014, 04:20