Abstract: An online system presents a feed of content including content items and one or more scrollable content units to a user of the online system. A scrollable content unit includes an ordered set of content items and a display area presenting fewer than all of the content items of the ordered set at a time. The user navigates through the ordered set of content items in the display area by interacting with the scrollable content unit. If the user navigates through fewer than all of the content items in the ordered set, the online system modifies the ordered set. If the scrollable content unit is again provided to the user, the scrollable content unit presents content items based the modified ordered set. For example, the modified ordered set prioritizes presentation of content items from the ordered set that were not previously presented to the user.

Abstract: An online system presents a feed of content including content items and one or more scrollable content units to a user of the online system. A scrollable content unit includes an ordered set of content items sharing a common attribute, such as advertisement requests associated with the same advertising campaign or images associated with a common subject. The scrollable content unit is scrollable in a direction that is orthogonal to an orientation of the feed of content, allowing presentation of additional content items from the ordered set when a user navigates through the ordered set. When all content items in the ordered set have been displayed by the scrollable content unit, an interaction with the scrollable content unit by the user presents additional content associated with the ordered set of content items, such as a page associated with the common attribute of content items in the ordered set.

Abstract: Instruments for use in anterior approach total hip arthroplasty. Instruments according to certain embodiments of the invention connect to a shaping member such as a broach, reamer or osteotome that is used to prepare the intramedullary canal of a desired femur or other bone for total hip arthroplasty. Such an instrument according to such embodiments can be configurable to allow operation on either the left or right leg, and in doing so to provide lateral offset and anterior offset of the instrument handle relative to the shaping member so that the patient's gut, musculature or other bodily portions may be avoided while still providing desired leverage and control over the shaping member to prepare the intramedullary canal.

Abstract: A social networking system user creates an album including a shared collection of content (a “shared album”) and associates a privacy model with the shared album. The privacy model specifies additional users of the social networking system authorized to access content items in the shared album and specifies types of actions users authorized to access content items in the shared album are permitted to perform to content items in the shared album. Notifications describing actions associated with content items in a shared album may be presented to users authorized to access the shared album. The social networking system may prompt a user to create a shared album containing based on actions performed by the user or performed by connected to the user.

Abstract: In one embodiment, a phase locked loop (PLL) comprises a voltage-controlled oscillator (VCO), a frequency divider configured to frequency divide an output signal of the VCO to produce a feedback signal, and a phase detection circuit configured to detect a phase difference between a reference signal and the feedback signal, and to generate an output signal based on the detected phase difference. The PLL also comprises a proportional circuit configured to generate a control voltage based on the output signal of the phase detection circuit, wherein the control voltage tunes a first capacitance of the VCO to provide phase correction. The PLL further comprises an integration circuit configured to convert the control voltage into a digital signal, to integrate the digital signal, and to tune a second capacitance of the VCO based on the integrated digital signal to provide frequency tracking.

Abstract: A social networking system displays information about a user via a timeline included in a profile page. Narrative data about a user stored in a social networking system, including data about the user and social network activities related to the user is accessed. Timeline units summarizing information about the user are generated from the narrative data. When a viewing user requests a profile page, timeline units are displayed based information related to the viewing user and interactions with the profile page by other users connected to the viewing user. Users that administer the profile page are presented with additional information when viewing the profile page, allowing the administering users to modify appearance of the timeline or to identify actions for an administering user to take to increase interaction with the profile page.

Abstract: In one embodiment, a phase locked loop (PLL) comprises a voltage-controlled oscillator (VCO), a frequency divider configured to frequency divide an output signal of the VCO to produce a feedback signal, and a phase detection circuit configured to detect a phase difference between a reference signal and the feedback signal, and to generate an output signal based on the detected phase difference. The PLL also comprises a proportional circuit configured to generate a control voltage based on the output signal of the phase detection circuit, wherein the control voltage tunes a first capacitance of the VCO to provide phase correction. The PLL further comprises an integration circuit configured to convert the control voltage into a digital signal, to integrate the digital signal, and to tune a second capacitance of the VCO based on the integrated digital signal to provide frequency tracking.

Abstract: A method (of operating a central node to acknowledge received messages) includes: receiving multiple data messages from multiple instances of a message-sourceable end node, respectively, each end-node-instance having an at least substantially unique identification (“ID”); and sending a dense acknowledgement message (“dense ACK”) acknowledging receipt of the data messages but not explicitly identifying any of the IDs of the corresponding end-node-instances. And a method (of operating a given instance of the end node to infer a delivery-condition at the central node of a data message sent by the given instance) including: sending a given data message including the substantially unique ID; receiving a dense ACK including a payload indicating receipt of multiple data messages but not explicitly identifying IDs of the given end-node-instance nor of other end-node-instances corresponding to the received messages, respectively; and inferring the delivery-condition based on a manipulated payload of the dense ACK.

Abstract: Patient-matched surgical instruments, and methods for making patient-matched surgical instruments, may include patient-matched surgical instruments having an anatomy facing side with several discrete, physically separate anatomy contacting portions configured to match the anatomy of a particular patient. The anatomy contacting portions may be one or more of non-uniform in distribution, non-uniform in shape or non-uniform in surface area.

Abstract: A social networking system displays information about a user via a timeline included in a profile page. Narrative data about a user stored in a social networking system, including data about the user and social network activities related to the user is accessed. Timeline units summarizing information about the user are generated from the narrative data. When a viewing user requests a profile page, timeline units are displayed based information related to the viewing user and interactions with the profile page by other users connected to the viewing user. Users that administer the profile page are presented with additional information when viewing the profile page, allowing the administering users to modify appearance of the timeline or to identify actions for an administering user to take to increase interaction with the profile page.

Abstract: A social networking system generates an augmented user profile for a user. The augmented user profile includes information from user profiles maintained by additional social networking systems that correspond to the user of the social networking system. For example, user profiles maintained by additional social networking systems having a threshold similarity to a user profile maintained by the social networking system are identified, and characteristics of the user in the identified user profiles are included in the augmented user profile along with characteristics from the user profile maintained by the social networking system. Characteristics of the user from the augmented user profile are used to identify content, such as advertisements, for presentation to the user.

Abstract: Technology for identifying virtual computing instance issues is described. An operating information report of a virtual computing instance may be parsed to obtain a diagnostic result. The diagnostic result may be compared against a data store of known computing instance issues to determine whether there is an issue for the virtual computing instance. The issue may be flagged when identified and provided for resolution.

Abstract: A container having a dual use as a receptacle for debris that can accommodate a sawhorse application. Square or U-shaped recesses are located in the rim of the container for securing a sawhorse support, such as a board. Sawhorse supports are friction fit, or securely mounted to the container by pin, screw, nail, or bolt attachment. A lid having a slotted structure for receiving a sawhorse support may be used to transform a common household container into a sawhorse.

Abstract: Systems and methods for applying a fine-grained QoS logic are provided. The system may include a memory controller, the memory controller configured to receive memory access requests from a plurality of masters via a bus fabric. The memory controller determines the priority class of each of the plurality of masters, and further determines the amount of memory data bus bandwidth consumed by each master on the memory data bus. Based on the priority class assigned to each of the masters and the amount of memory data bus bandwidth consumed by each master, the memory controller applies a fine-grained QoS logic to compute a schedule for the memory requests. Based on this schedule, the memory controller converts the memory requests to memory commands, sends the memory commands to a memory device via a memory command bus, and receives a response from the memory device via a memory data bus.

Abstract: A social networking system provides tips to users about non-user entities within the social networking system. Tips include short questions, comments, reviews and non-user entities include businesses, products, bands, songs etc. Tips are provided by users of the social networking system, wherein the tips are displayed to other users of if the other users meet privacy criteria associated with the tips. Additionally, tips are ranked based on the likelihood that a user will view or read the tip. Tips with the greatest likelihood are ranked higher than those with a lower likelihood. Selected tips with a high likelihood to be viewed are displayed to a viewing user on the topic page or within the user's news feed story.