7 the database is dead long live memcached
building applications to grow your facebook empire
... monetize, and advertise their software All of this is done through the sale and purchase of advertising spots on the Canvas pages of other apps, with the general idea being the creation of a marketplace ... of them are built on the premise that they can grab a chunk of the Facebook audience and gradually pull them into the off-Facebook site, where they can sell them upgraded accounts or show them ... since the dawn of humanity: Why are we here? Does God exist? What is art? Where does the other sock go? The question of whether or not to build an application on Facebook* Platform is not one of them...
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Tài liệu Learning DebianGNU Linux-Chapter 10. Setting Up a Linux-Based LAN pptx
... specifies the name of the file To upload a file to the server, issue the command: put file where file specifies the name of the file To list the contents of the current directory, issue the command: ... browseable Specifies whether the printer share is visible in the list of shares made available by the server Miscellaneous available Specifies whether the printer share is available; Table 10.4: ... A list of hosts that cannot access the file share browseable Specifies whether the file share is visible in the list of shares made available by the server Locking strict Specifies whether the...
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Tài liệu Learning DebianGNU Linux-Chapter 12. Setting Up a Linux-Based WAN pptx
... However, each of these files must exist, even if it is empty; otherwise, the httpd daemon will refuse to run As distributed, the files contain a default configuration Before starting the web server, ... Changes to the specified directory of the remote system directory delete Deletes the specified file from the remote system file dir Displays the contents of the current directory of the remote ... specifies whether the web server is started via inetd or standalone: ServerType standalone The port directive specifies the port on which the web server listens for client requests: Port 80 The HostnameLookups...
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Setting Up a PHP-MySQL Development Environment
... attempting to compile them from source code These releases can be downloaded from the web sites listed in the previous section They are to be installed one after another, as outlined in the following ... selecting the Show Me option from the menu that pops up (see Figure 2-18) Installing Apache Once MySQL is installed, the next step is to install the Apache Web server On Windows, this is a point-and-click ... information on the PHP build, as in Figure 2-30 Eyeball the list of extensions to make sure that the MySQL extension is active If it isn’t, review the previous installation procedure, as well as the installation...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 5 pot
... sulfachloropyridazine).41,45,46 The transport of these substances is influenced by the sorption behavior of the compounds, the presence of manure in the soil matrix, and the nature of the land to which the manure is applied ... degradation, this can be incorporated into the calculation The model calculated the concentration of the veterinary medicine in animal manure and then uses the nitrogen content of the manure and the maximum ... exposure/discharge to the environment For hormones, antibiotics, and other pharmaceutical agents administered either orally or by injection to animals, the major route of entry of the product into the...
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AEROSOL CHEMICAL PROCESSES IN THE ENVIRONMENT - CHAPTER 5 pot
... of thermophoresis The fraction of aerosol particles nucleating ice is a function of the particle diameter The smaller the size of the particle, the smaller the fraction of particles starting the ... it is hardly noticeable The lower the temperature, the smaller the size of aerosol particles acting as IFN; the particle size here is the size present in the maximum frequency in the size distribution ... responsible for the nucleation of ice, then the temperatures of drop freezing should be the same as the temperature of ice nucleation of the individual particles This is not the case, however, and the temperature...
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Heavy Metals in the Environment: Using Wetlands for Their Removal - Chapter 5 pot
... 5.4 the respiration (below the line) is greater than the daytime net photosynthesis (above the line) In other words, in the course of a day and night, more oxygen is used than is produced This ... in Summarizing these processes, the dissolved oxygen is the balance between gross photosynthesis and diffusion in, minus community respiration and diffusion out By measuring the dissolved oxygen ... aquatic metabolism from the rate of change of dissolved oxygen, in parts per million per hour decrease at night The oxygen increase in daytime is the gross photosynthesis minus the concurrent...
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NEPA and Environmental Planning : Tools, Techniques, and Approaches for Practitioners - Chapter 5 docx
... an EIS is not mandatory in all circumstances For this reason, the court upheld the CEQ’s authority to issue the emergency regulation The court also held that the decision by the CEQ and the Air ... for EPA Except for the provision of Federal assistance for the purpose of assisting the construction of publicly owned treatment works … and the issuance of a permit … for the discharge of any pollutant ... published prior to their formal adoption, so that the public is given an opportunity to review and comment on them As the final step in the adoption process, all CATXs must be published in the...
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Radionuclide Concentrations in Foor and the Environment - Chapter 5 pptx
... obtained in the last step is attacked with 6M HCl at boiling temperature This fraction is bound to carbonates and oxides (iron or manganese) Residual fraction: This is the final residue This is the fraction ... from the soil surface Then a fraction (unsupported) of 210Pb in the soil is derived from the atmosphere via fallout or wet deposition The origin of the other natural fraction (supported) is the ... the site of nuclear weapons testing The long- term behavior is mainly controlled by the solubility of the hot particles and their dissolution by environmental effects Since the solubility of these...
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SAMPLING AND SURVEYING RADIOLOGICAL ENVIRONMENTS - CHAPTER 5 ppt
... custody seal is then placed over the cap or lid just prior to placing the sample bottle into the sample cooler The custody seal is used to detect any tampering with the sample prior to analysis 5.2 ... initialed and dated The person who completed the form should sign and date the form at the bottom of the page It is recommended that the field manager also sign the form to confirm that it is complete ... is turned or tampered with The person who signs his or her name to the custody seal automatically assumes ownership of the sample until the time it is packaged and custody is signed over to the...
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Environmental Life Cycle Costing - Chapter 5 doc
... somebody is already bearing at the time of the decision) to be internalized in the decision-relevant future (i.e., “monetary external costs”) Societal LCC expands the boundaries further to include the ... example, the evolution of the technology and the ageing of existing products are considered Further, the functionality of the product represented the good as more of a service than an entity The case ... advantage: the ability to construct, from the outset, less burdensome products and processes This is the case because they are constructing new facilities rather than having to decide if the economics...
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Environmental Life Cycle Costing - Chapter 5 docx
... affecting the outcome of exposure are complex and include the characteristics of the chemicals, physiological condition of the organism, and others 5.6.1 Synergism, Additive, and Potentiation Synergism ... (cholecalciferol) is first hydroxylated in the liver to 25-hydroxy-D3 The resultant 25hydroxy-D3 is then converted in the kidney to 1,25-dihydroxy-D3, the active form of the vitamin The 25-hydroxylation of cholecalciferol ... administered in combination, or sequentially, is less than would be expected when the chemicals were administered separately Antagonism may be due to the chemical or physical characteristics of the...
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Nanotechnology and the Environment - Chapter 5 potx
... the emission of x-rays Some electrons also pass through the material, either directly or with some scattering due to collisions with the particle atoms (Figure 5.1) With SEM, emissions from the ... between the tip and the surface deflect the tip as it follows the surface profile The movement of the tip in response to the interaction can be monitored with a laser reflected from the cantilever ... Particles larger than the stage cut diameter (which is a function of the flow velocity and the distance between the plates) cannot follow the flow stream lines but fall onto the collection plate...
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Veterinary Medicines in the Environment - Chapter 5 pdf
... on the x-axis and probability distribution on the y-axis The latter is a ranked distribution of sensitivities (toxicity benchmark values) using a probability scale This scale on the y-axis is ... the probability scale on the y-axis (Figure 5.2) This provides a normal distribution of the sensitivities for species tested This distribution is assumed to be representative of the normal distribution ... understand the physical, chemical, and structural characteristics of the molecules Studies are also done to document the nature of the effects on the therapeutic target; the adsorption, distribution,...
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER 5 doc
... T is the surface tension of the water, S is the specific surface area of the cement, C is the cement content, W is the water content, and k is the ratio of the density of water to that of the ... is the saturation vapour pressure over a plane surface (i.e p/p0 is the relative humidity), T is the surface tension of the water, R is the gas constant, is the temperature in K and is the ... the surface tension of the water and r is the radius of curvature of the meniscus The tension in the water increases with the decrease in the radius of curvature of the meniscus, whereas Copyright...
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Environmental Biotechnology - Chapter 5 potx
... suitability, the decision remains as to which technique is the most appropriate This is a site-specific issue, for all of the reasons discussed, and must be made on the basis of the edaphic matters ... offer the possibility of maximising their utilisation by enabling responsible management decisions to be made on the basis of meaningful cost/benefit analysis This is an important area for the future, ... dependent on their fundamental mode of operation, as Figure 5.2 illustrates The principal attraction of this systemisation is that it is defined on the basis of representing the fate of the pollutant,...
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Environmental engineers handbook - Chapter 5 pot
... characteristics are good to excellent The greater the difference, the more unstable the atmosphere and the more enhanced the dispersion If the environmental lapse rate is less than the dry adiabatic ... considerable distance inland Initially, the flow is onto the land, but as the breeze develops, the Coriolis force gradually shifts the direction so that the flow is more parallel to the land mass ... As the intensity of exercise rises so does the amount of air drawn into the lungs and thus the dose of ozone The more heavily a person exercises at a level of ozone concentration and the longer...
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ENVIRONMENTAL IMPACT STATEMENTS - CHAPTER 5 pot
... representing the best agricultural land This portion of the assessment is the same as the rating system used by the USDA The Illinois Department of Agriculture then performs the site assessment of the ... System (Illinois Department of Agriculture, 1992) Under this system, the NRCS performs the land evaluation portion of the assessment This is based principally upon the productivity of the soils for ... the feasibility of the construction of the project The soil structure is the key factor in the determination of the possible contamination of groundwater Soil is a result of the interaction of...
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Pesticide profiles : Toxicity, environmental impact and fate - Chapter 5 docx
... to the presence of the compound The LC50 for fenamiphos is 9.6 mg/L in this species Other species tested include the rainbow trout (LC50 is 0.11 mg/L) and the goldfish (LC50 is 3.2 mg/L) (8) The ... grains The compound is absorbed by roots and then translocated throughout the plant Fenamiphos, as is typical of other organophosphates, blocks the enzyme acetylcholinesterase in the target pest The ... and thus the use of the compound did not pose a significant risk to the users (8) Another study concluded that the main threat to applicators was through the skin on the hands However, the levels...
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