time—from the hardware up

... group The first field is the name of the group The second is the field for the group password In all my experience with Unix, I have never seen the password feature used The third is the group's ... call /etc/group -This is the group file This allows the superuser to give certain accounts group access to groups other than their own Entries are in the format: group name:password:group number:users ... (notice the "-" in the place of the group part's w), and all others have only read privileges ("r " there are hyphens in the place of the others part's w and x) Now, let's look at the other fields The...

Ngày tải lên: 21/12/2013, 04:19

... editor First, the kernel is what handles your hardware, so it is the first to receive notice about the keypress The keyboard sends in scancodes to the kernel, which then converts them to the actual ... faucets won’t work, but the pipes are pretty useless if there are no faucets Together, the user applications (from the GNU project and other places) and the kernel (Linux) make up the entire operating ... The data bus is the connection between the CPU and memory It is the actual wire that connects them If you look at the motherboard of the computer, the wires that go out from the memory are your...

Ngày tải lên: 14/03/2014, 21:20

... are supported C++ from the Ground Up Inheritance Inheritance is the process by which one object can acquire the properties of another object The reason this is important is that it supports the ... parameters, the parentheses are empty Next, braces surround the body of the function The body of the function is composed of the C++ statements that define what the function does The function ... reflected the state of C++ at the time Soon after the completion of the first draft of the C++ standard, an event occurred that caused the standard to expand greatly: the creation of the Standard...

Ngày tải lên: 19/03/2014, 14:09

... another, its control is passed from one layer to the next, starting at Layer at the transmitting node, traveling down to Layer 1, crossing to the next node, and then going from Layer back up ... difficult to pick, they usually aren’t the first choice for door locks in equipment areas Keys can be lost or stolen and many keys can be easily duplicated at the local hardware store The key-and-lock ... Look over the doors to make sure they can’t be easily kicked in or jimmied Be sure you use a latch guard—a simple plate that covers the gap between the door and the jam—to block access to the latch...

Ngày tải lên: 22/03/2014, 15:21

... apply them If they are spending all their time with enforcement, then either the educational aspects of the program are failing or they don’t have the necessary support from the leaders in the ... house with the pig tied up out front, take a left, and take another left at the corner where the tree fell over back in 1981, and then follow that road until you get to the house where the Parsons ... page that chose the points rather than the prize and the server accepted it each time When working with the developers to correct these flaws, their first inclination was to improve the client-side...

Ngày tải lên: 23/03/2014, 03:20

... see Appendix C The next instruction is the "magic" one It looks like this: int $0x80 The int stands for interrupt The 0x80 is the interrupt number to use.5 An interrupt interrupts the normal program ... pushes the address of the next instruction, which is the return address, onto the stack Then it modifies the instruction pointer (%eip) to point to the start of the function So, at the time the function ... The data bus is the connection between the CPU and memory It is the actual wire that connects them If you look at the motherboard of the computer, the wires that go out from the memory are your...

Ngày tải lên: 13/06/2014, 16:17

... see Appendix C The next instruction is the "magic" one It looks like this: int $0x80 The int stands for interrupt The 0x80 is the interrupt number to use.6 An interrupt interrupts the normal program ... just hold the pointer to the top of the stack rather than the value at the top Putting %esp in parenthesis causes the computer to go to indirect addressing mode, and therefore we get the value ... pushes the address of the next instruction, which is the return address, onto the stack Then it modifies the instruction pointer (%eip) to point to the start of the function So, at the time the function...

Ngày tải lên: 22/10/2014, 17:55

... fact, if the CPU is the hose, it is free to reorder the marbles within the hose, as long as they pop out the end in the same order you put them in We call this program order since this is the order ... device-node provides the information the kernel needs to find the correct device-driver and complete the mapping The kernel will then know how to route further calls such as read to the underlying ... read on the empty pipe; being empty that call blocks and the process does not continue Once the print is done, the other process can write a message into the pipe, which effectively wakes up the...

Ngày tải lên: 06/09/2015, 07:18

... disrupted by the growth of smartphones: the likes of TomTom and Garmin have seen their business eroded as map apps have become standard on the mobile phones we all carry with us, meaning there ... games upfront, these companies have had to find other ways to monetise their products One proven way of getting gamers spending money is in-app purchases of items such as better weapons, power-ups ... to advance, the timeframe that established players have to enjoy industry dominance is shortening Once upon a time, personal computers offered cheap, standardised hardware, throwing the mainframe...

Ngày tải lên: 04/12/2015, 00:08

Ngày tải lên: 04/12/2015, 00:08

... consumption by 75%, according to the Carbon Trust Meanwhile, upgraded heating and cooling systems are only as efficient as the facilities managers operating them Pulling down the blinds on fridges every ... suppliers,” Mr Jonkers says The next challenge, in Mr Heck’s view, is for companies to tackle the third stage of energy efficiency the energy used by a product once in the hands of consumers and ... company practises is only the first stage Right across Europe, companies like Sainsbury’s and Heineken are looking at energy efficiency beyond their own operations For the more than 2,500 farmers...

Ngày tải lên: 04/12/2015, 00:08

... them off at the pass’, or the cavalry will arrive in the nick of time and save the day’ But Tessari always hits the audience with the unexpected The bandits are headed off at the pass, but they ... brother, Ramon The stranger tells Silvanito, The Baxters over there, the Rojos there and me right in the middle Crazy bellringer was right, there’s money to be made in a place like this.’ The stranger ... for the hanging tree at the beginning of the film, so the tree was dug up and relocated The San Miguel town set was the Hojo De Manzanares ‘western village’ near Colmenar Viejo, north of Madrid The...

Ngày tải lên: 15/03/2014, 18:39

... microscope was the only one in that section of the country—a full 30 years after the enunciation of the germ theory of disease and the creation of the science of bacteriology.9 FULFILLING THE SOCIAL ... organs The pace of discovery accelerated in midcentury, as the experimental era in medical research began The enunciation of the theory of the cell, the creation of modern physiology, the articulation ... in terms of the long-term; they expressed a vision and, as a group, never gave up in their quest to persuade others to support that vision Central to the success of the new system of medical education...

Ngày tải lên: 03/06/2014, 01:25

... [4] The World Health Organization (WHO) has recognised the importance of the issue, and launched initiatives such as the Working Group on Tools and Guidelines to strengthen the analysis of the ... description of the case study methodology used to compare the Mozambican and Guinean Bissau costing of the national scaling -up of the health workforce The context, process and actors involved in the Mozambique ... as these were considered key to scaling -up the national health workforce Capital investments were identified on the basis of information obtained from the infrastructure department of the MoH They...

Ngày tải lên: 18/06/2014, 17:20

... order to group the halves (or parts) of the actual components together This is performed in the third and last phase of the algorithm Algorithm gives the details of the second phase The classification ... the program selects the smallest value and the points associated to them This will yield the location where the crossing occurred and the components involved in the crossing Then, we use a simple ... peaks of the TFD slice T(t0 , f ) By searching and counting the peaks of each TFD slice, we end up with a set of numbers The number corresponding to the maximum of the histogram of these numbers...

Ngày tải lên: 23/06/2014, 01:20

... histochemical assays, the 5’upstream region of the pine gene was able to drive gene expression in pine cotyledons To further characterize the function of the 5’upstream region of the pine GS1a gene, ... half of the gene including part of the coding region organized in seven exons, interrupted by introns and 980 bp upstream the translation initiation codon (figure 1) The sizes of introns in the GS1 ... generate the clone pGS217 and used for analysis and sequencing 2.2 Fusions of the 5’region of GS1a to the GUS reporter gene The 981 bp sequence upstream of the translation codon was isolated from the...

Ngày tải lên: 08/08/2014, 14:20

... further calculations Both the height of the top of the tree (h ) top and the height of the crown base (h (together ) bas encompassing the space occupied by the canopy) were derived from the ... and the mean distance from the cloud above the ground plus some branch parameters such as length of the green part of the branch and the cross-sectional area at the origin of the branch (together ... distributions in the Scots pine trees showed that both the Gaussian and the Log-normal equations fitted rather well for the central part of the crown, but that they significantly underestimated the upper...

Ngày tải lên: 09/08/2014, 04:20

... It may therefore be more helpful in future to separate these two groups rather than to leave them combined in the single entity of IP There is a tendency always to focus on the subgroup of patients ... requires adjustment for the probable phenomenon that the more severe the disease, the more intensive the therapy The question can conversely be turned on its head, and the data can be used to ... The baseline CRP level was a strong predictor of future cardiovascular mortality, thus supporting the hypothesis that the increased risk of coronary heart disease in RA and IP is related to the...

Ngày tải lên: 09/08/2014, 08:22

... validate these reports These items include queries on the number of times the team met with each other, the senior leadership or the board at the hospital, staff turnover, and distracting events The ... Data for the TCT was the average score of the first quarter (March through May 2007) Only ICUs in the first intervention group were included because the second intervention group submitted their ... group II) randomized to begin the intervention seven months after the 23 ICUs in intervention group I initiated the intervention Another ICU joined the project after the randomization process had...

Ngày tải lên: 10/08/2014, 11:20