| New Foundations Explorer Home Page | First > Last > |
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| New Foundations (Wikipedia [external], Stanford Encyclopedia of Philosophy [external]) is an alternative set theory to the Zermelo-Fraenkel set theory presented in the regular Metamath Proof Explorer. Unlike the Zermelo-Fraenkel system with the Axiom of Choice (known as ZFC), New Foundations is a direct derivative of the set theory originally presented in Principia Mathematica. |
| Contents of this page | Related pages External links |
In Principia Mathematica, Russell and Whitehead used a typing system to avoid the paradoxes of naive set theory, rather than restrict the size of sets (as Zermelo-Fraenkel theory does). This typing system was eventually refined by Russell down to Typed Set Theory (TST). In TST, unlimited comprehension is allowed (approximately, A ` e. ` ` _V ` is a theorem). TST avoids the standard paradoxes by being a multi-sorted system. That is, there are variables of type 0, 1, 2,... The WFFs are restricted so that you must say x[n] = y[n] and x[n] ` e. ` y[n+1], where n is a variable type. This means, among other things, that x ` e. ` x is not a well-formed formula, so we can't even sensibly speak of the Russell class. Thus TST counters Russell's Paradox.
Now, consider introducing virtual classes into this theory. You need to say things like V[n] = { x[n] | x[n] = x[n] } for each type n. This leads to a "hall of mirrors" type situation: each named object is duplicated for each type.
Quine noticed this and proposed collapsing the whole theory into a one-sorted set theory, where the comprehension axiom is restricted to formulas where you could theoretically introduce subscripts to make the formula a WFF of TST. Quine described this approach in a paper titled "New Foundations for Mathematical Logic," so this approach is now called "New Foundations" (NF) [Quine2]. For more details, see the Wikipedia article on NF.
The axioms begin with traditional axioms for classical first order logic with equality. See the regular Metamath Proof Explorer for discussions about these axioms and some of their implications.
The key axioms specific to NF are extensionality (two sets are identical if they contain the same elements) and a comprehension schema. Extensionality is formally defined as:
| Name | Ref | Expression |
|---|---|---|
| Axiom of Extensionality | ~ ax-ext | ` |- ( A. z ( z e. x <-> z e. y ) -> x = y ) ` |
The comprehension schema is stated using the concept of stratified formula; the approach is the Stratification Axiom from [Quine2]. In short, a well-formed formula using only propositional symbols, predicate symbols, and ` e. ` is "stratified" iff you can make a (metalogical) mapping from the variables to the natural numbers such that any formulas of the form x = y have the same number, and any formulas of the form x ` e. ` y have x as one less than y. Quine's stratification axiom states that there is a set corresponding to any stratified formula. We use Hailperin's axioms and prove existence of stratified sets using Hailperin's algorithm. Thus the stratification axiom of [Quine2] is implemented in this formalization using the axioms P1 through P9 from [Hailperin] and the Axiom of Singleton ax-sn:
| Name | Ref | Expression (see link for any distinct variable requirements) |
| Axiom of Anti-Intersection (P1) | ~ ax-nin | ` |- E. z A. w ( w e. z <-> ( w e. x -/\ w e. y ) ) ` |
| Axiom of Singleton Image (P2) | ~ ax-si | ` |- E. y A. z A. w ( << { z } , { w } >> e. y <-> << z , w >> e. x ) ` |
| Axiom of Singleton (not directly stated in Hailperin) | ~ ax-sn | ` |- E. y A. z ( z e. y <-> z = x ) ` |
| Axiom of Insertion Two (P3) | ~ ax-ins2 | ` |- E. y A. z A. w A. t ( << { { z } } , << w , t >> >> e. y <-> << z , t >> ` ` e. x ) ` |
| Axiom of Insertion Three (P4) | ~ ax-ins3 | ` |- E. y A. z A. w A. t ( << { { z } } , << w , t >> >> e. y <-> << z , w >> ` ` e. x ) ` |
| Axiom of Cross Product (P5) | ~ ax-xp | ` |- E. y A. z ( z e. y <-> E. w E. t ( z = << w , t >> /\ t e. x ) ) ` |
| Axiom of Type Lowering (P6) | ~ ax-typlower | ` |- E. y A. z ( z e. y <-> A. w << w , { z } >> e. x ) ` |
| Axiom of Converse (P7) | ~ ax-cnv | ` |- E. y A. z A. w ( << z , w >> e. y <-> << w , z >> e. x ) ` |
| Axiom of Cardinal One (P8) | ~ ax-1c | ` |- E. x A. y ( y e. x <-> E. z A. w ( w e. y <-> w = z ) ) ` |
| Axiom of Subset Relationship (P9) | ~ ax-sset | ` |- E. x A. y A. z ( << y , z >> e. x <-> A. w ( w e. y -> w e. z ) ) ` |
The usual definition of the ordered pair, first proposed by Kuratowski in 1921 and used in the regular Metamath Proof Explorer, has a serious drawback for NF and related theories that use stratification. The Kuratowski ordered pair is defined as << x , y >> = { { x } , { x , y } }. This leads to the ordered pair having a type two greater than its arguments. For example, z in << << x , y >> , z >> would have a different type than x and y, which makes multi-argument functions extremely awkward to work with. Operations such as "1st" and complex "+" would not form sets in NF with the Kuratowski ordered pairs.
In contrast, the Quine definition of ordered pairs, defined in definition df-op, is type level. That is, <. x , y >. has the same type as x and y, which means that the same holds of <. <. x , y >. , z >. This means that "1st" is a set with the Quine definition, as is complex "+". The Kuratowski ordered pair is defined (as df-opk), because it is a simple definition that can be used by the set construction axioms that follow it, but for typical uses the Quine definition of ordered pairs df-op is used instead.
Perhaps one of the most remarkable aspects of NF is that the Axiom of Choice (an axiom of the widely-used ZFC system) can be disproven in NF, a result proven in [Specker]. As a corollary, NF proves infinity.
There are several systems related to NF. In particular, NFU is a small modification of NF that also allows urelements (multiple distinct objects lacking members). NFU corresponds to a modified type theory TSTU, where type 0 has urelements, not just a single empty set. NFU is consistent with both Infinity and Choice, so both can be added to NFU. NFU + Infinity + Choice has the same consistency strength as the theory of types with the Axiom of Infinity. NFU + Infinity + Choice has been extended further, e.g., with various strong axioms of infinity (similar to ways that ZFC has been extended). Randall Holmes states that "Extensions of NFU are adequate vehicles for mathematics in a basically familiar style". NFU is not further discussed here.
A fair amount of the definitions and theorems (notably the ones on boolean set operations) are taken verbatim from the regular Metamath Proof Explorer source file set.mm (based on ZFC). This also follows the development in [Rosser] fairly closely. An unusual aspect is the stratified T-raising function TcFn. The work to specifically formalize New Foundations in metamath was originally created by Scott Fenton. Those who are interested in New Foundations may want to look at the New Foundations home page, as well as a proof of the consistency of New Foundations by Randall Holmes. The descriptions given here are based on a discussion on the metamath mailing list.
| This
page was last updated on 28-May-2018. Your comments are welcome: Norman Megill Copyright terms: Public domain |
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Custom universes allow using an external data source as the security filtering source. Like normal custom data sources, custom universes are provided by extending BaseData. With this system you can define data formats to filter and select the data.
Each BaseData
of the custom universe is 1 line of the source file. The Reader method will be called repeatedly until the date/time advances or the end of file is reached. This way you the engine can group universe data together, and pass it as a single collection into the filter function.


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This example shows how to configure Telerik Menu for ASP.NET MVC to animate the content of its items. The supported animations are slide, opacity and expand.
<%= Html.Telerik().Menu() .Name("Menu") .Effects(fx => fx.Slide() .Opacity() .OpenDuration(200) .CloseDuration(300) ) .Items(items => { /*items definition*/ }) %>
Use the configurator to experiment with the animation settings.


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Tame Impala to headline All Points East
by https://www.facebook.com/progKevin Parker will bring Tame Impala to London’s All Points East festival next year - their only UK show of 2020
Kevin Parker’s Tame Impala have been named as one of the headliners for next year’s All Points East in London.
The 10-day event will take place at Tower Hamlets on May 22 -31, with Parker set to take to the stage on May 23 – and it’ll be Tame Impala’s only UK show of 2020.
Also announced today for All Points East are: Caribou, Glass Animals, Whitney, Rolling Blackouts Coastal Fever and Holy Fuck.
All Points East will once again work with local charity the Tower Project which gives volunteer opportunities to young people with learning disabilities and autism on site at the festival.
Students at the nearby ELAM arts and music school will also receive educational and performance opportunities at the festival site, while All Points East are also committed to 100% renewable energy and are working towards eliminating single-use plastic.
Last month, Tame Impala announced that their new album The Slow Rush would be released on February 14 through Fiction Records. Parker marked the news by sharing the single It Might Be Time, which followed Borderline and Patience from earlier this year.
The Slow Rush was recorded between Los Angeles and Parker’s studio in his hometown of Fremantle, Australia, and was produced and mixed by Parker.
Tame Impala: The Slow Rush
Kevin Parker is back with Tame Impala's fourth studio album The Slow Rush. The follow-up to 2015's Currents will feature the singles Borderlines and It Might Be Time. View Deal


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Beit Tikvah participates in the Synagogue Social Action Task Force and has attained our . status from the Baltimore Jewish Environmental Network's Green Synagogue . Repairing Our World -- Past and Ongoing Tikkun Olam Highlights!
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Pro-Israel Social Networking Activists Impersonate Tikun Olam. by Richard Silverstein on October 27, 2011 · 31 comments. in Blogs-Tech-Science, Mideast .
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public class ClientPlaylistAPI
extends PlaylistAPI
Endpoints for retrieving information about a user’s playlists and for managing a user’s playlists.
| Modifier and Type | Class and Description |
|---|---|
static class |
ClientPlaylistAPI.Snapshot
Contains the snapshot id, returned from API responses
|
| Constructor and Description |
|---|
ClientPlaylistAPI(SpotifyAPI api)
Endpoints for retrieving information about a user’s playlists and for managing a user’s playlists.
|
| Modifier and Type | Method and Description |
|---|---|
SpotifyRestAction<kotlin.Unit> |
addTrackToPlaylist(java.lang.String playlist,
java.lang.String track,
java.lang.Integer position)
Add a track to a user’s playlist.
|
SpotifyRestAction<kotlin.Unit> |
addTracksToPlaylist(java.lang.String playlist,
java.lang.String[] tracks,
java.lang.Integer position)
Add one or more tracks to a user’s playlist.
|
SpotifyRestAction<kotlin.Unit> |
changePlaylistDetails(java.lang.String playlist,
java.lang.String name,
java.lang.Boolean p,
java.lang.Boolean collaborative,
java.lang.String description)
Change a playlist’s name and public/private state. (The user must, of course, own the playlist.)
|
SpotifyRestAction<com.adamratzman.spotify.models.Playlist> |
createPlaylist(java.lang.String name,
java.lang.String description,
java.lang.Boolean p,
java.lang.Boolean collaborative,
java.lang.String user)
Create a playlist for a Spotify user. (The playlist will be empty until you add tracks.)
|
SpotifyRestAction<kotlin.Unit> |
deletePlaylist(java.lang.String playlist)
This method is equivalent to unfollowing a playlist with the given playlist.
|
SpotifyRestAction<com.adamratzman.spotify.models.SimplePlaylist> |
getPlaylist(java.lang.String id)
Find a client playlist by its id. If you want to find multiple playlists, consider using
ClientPlaylistAPI.getPlaylists |
SpotifyRestActionPaging<com.adamratzman.spotify.models.SimplePlaylist,com.adamratzman.spotify.models.PagingObject> |
getPlaylists(java.lang.Integer limit,
java.lang.Integer offset)
Get a list of the playlists owned or followed by a Spotify user.
|
SpotifyRestAction<kotlin.Unit> |
removeAllPlaylistTracks(java.lang.String playlist)
Remove all the tracks in a playlist
|
SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> |
removeTrackFromPlaylist(java.lang.String playlist,
java.lang.String track,
SpotifyTrackPositions positions,
java.lang.String snapshotId)
Remove a track in the specified positions (zero-based) from the specified playlist.
|
SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> |
removeTrackFromPlaylist(java.lang.String playlist,
java.lang.String track,
java.lang.String snapshotId)
Remove all occurrences of a track from the specified playlist.
|
SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> |
removeTracksFromPlaylist(java.lang.String playlist,
java.lang.String[] tracks,
java.lang.String snapshotId)
Remove all occurrences of the specified tracks from the given playlist.
|
SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> |
removeTracksFromPlaylist(java.lang.String playlist,
kotlin.Pair[] tracks,
java.lang.String snapshotId)
Remove tracks (each with their own positions) from the given playlist.
|
SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> |
reorderPlaylistTracks(java.lang.String playlist,
int reorderRangeStart,
java.lang.Integer reorderRangeLength,
int insertionPoint,
java.lang.String snapshotId)
Reorder a track or a group of tracks in a playlist.
|
SpotifyRestAction<kotlin.Unit> |
replacePlaylistTracks(java.lang.String playlist,
java.lang.String tracks)
Replace all the tracks in a playlist, overwriting its existing tracks. This powerful request can be useful
for replacing tracks, re-ordering existing tracks, or clearing the playlist.
|
SpotifyRestAction<kotlin.Unit> |
setPlaylistTracks(java.lang.String playlist,
java.lang.String tracks)
Replace all the tracks in a playlist, overwriting its existing tracks. This powerful request can be useful
for replacing tracks, re-ordering existing tracks, or clearing the playlist.
|
SpotifyRestAction<kotlin.Unit> |
uploadPlaylistCover(java.lang.String playlist,
java.lang.String imagePath,
java.io.File imageFile,
java.awt.image.BufferedImage image,
java.lang.String imageData,
java.lang.String imageUrl)
Replace the image used to represent a specific playlist. Image type must be jpeg.
|
getPlaylist, getPlaylistCovers, getPlaylistTracks, getPlaylists
getApi, getCache
public ClientPlaylistAPI(SpotifyAPI api)
Endpoints for retrieving information about a user’s playlists and for managing a user’s playlists.
public SpotifyRestAction<com.adamratzman.spotify.models.Playlist> createPlaylist(java.lang.String name, java.lang.String description, java.lang.Boolean p, java.lang.Boolean collaborative, java.lang.String user)
Create a playlist for a Spotify user. (The playlist will be empty until you add tracks.)
Creating a public playlist for a user requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; creating a private playlist requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
user
- The user’s Spotify user ID.name
- The name for the new playlist, for example "Your Coolest Playlist" . This name does not need to be
unique; a user may have several playlists with the same name.description
- collaborative
- Defaults to false . If true the playlist will be collaborative. Note that to create a
collaborative playlist you must also set public to false . To create collaborative playlists you must have
granted SpotifyScope.PLAYLIST_MODIFY_PRIVATE and SpotifyScope.PLAYLIST_MODIFY_PUBLIC scopes.class Playlist
object with no trackspublic SpotifyRestAction<kotlin.Unit> addTrackToPlaylist(java.lang.String playlist, java.lang.String track, java.lang.Integer position)
Add a track to a user’s playlist.
Adding tracks to the current user’s public playlists requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; adding tracks to the current user’s private playlist (including collaborative playlists) requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The spotify id or uri for the playlist.track
- Track id or uriposition
- The position to insert the tracks, a zero-based index. For example, to insert the tracks in the
first position: position=0; to insert the tracks in the third position: position=2. If omitted, the tracks will
be appended to the playlist. Tracks are added in the order they are listed in the query string or request body.public SpotifyRestAction<kotlin.Unit> addTracksToPlaylist(java.lang.String playlist, java.lang.String[] tracks, java.lang.Integer position)
Add one or more tracks to a user’s playlist.
Adding tracks to the current user’s public playlists requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; adding tracks to the current user’s private playlist (including collaborative playlists) requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The spotify id or uri for the playlist.tracks
- Spotify track ids. A maximum of 100 tracks can be added in one request.position
- The position to insert the tracks, a zero-based index. For example, to insert the tracks in the
first position: position=0; to insert the tracks in the third position: position=2. If omitted, the tracks will
be appended to the playlist. Tracks are added in the order they are listed in the query string or request body.public SpotifyRestAction<kotlin.Unit> changePlaylistDetails(java.lang.String playlist, java.lang.String name, java.lang.Boolean p, java.lang.Boolean collaborative, java.lang.String description)
Change a playlist’s name and public/private state. (The user must, of course, own the playlist.)
Modifying a public playlist requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; modifying a private playlist (including collaborative playlists) requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The spotify id or uri for the playlist.name
- Optional. The name to change the playlist to.collaborative
- Optional. Whether to make the playlist collaborative or not.description
- Optional. Whether to change the description or not.public SpotifyRestActionPaging<com.adamratzman.spotify.models.SimplePlaylist,com.adamratzman.spotify.models.PagingObject> getPlaylists(java.lang.Integer limit, java.lang.Integer offset)
Get a list of the playlists owned or followed by a Spotify user.
Private playlists are only retrievable for the current user and requires the SpotifyScope.PLAYLIST_READ_PRIVATE scope to have been authorized by the user. Note that this scope alone will not return collaborative playlists, even though they are always private. Collaborative playlists are only retrievable for the current user and requires the SpotifyScope.PLAYLIST_READ_COLLABORATIVE scope to have been authorized by the user.
limit
- The number of objects to return. Default: 20. Minimum: 1. Maximum: 50.offset
- The index of the first item to return. Default: 0. Use with limit to get the next set of itemspublic SpotifyRestAction<com.adamratzman.spotify.models.SimplePlaylist> getPlaylist(java.lang.String id)
Find a client playlist by its id. If you want to find multiple playlists, consider using ClientPlaylistAPI.getPlaylists
Note that private playlists are only retrievable for the current user and require the SpotifyScope.PLAYLIST_READ_PRIVATE scope to have been authorized by the user. Note that this scope alone will not return a collaborative playlist, even though they are always private. Collaborative playlists are only retrievable for the current user and require the SpotifyScope.PLAYLIST_READ_COLLABORATIVE scope to have been authorized by the user.
id
- Playlist id or uriclass SimplePlaylist
if the playlist doesn't existClientPlaylistAPI.getPlaylists
public SpotifyRestAction<kotlin.Unit> deletePlaylist(java.lang.String playlist)
This method is equivalent to unfollowing a playlist with the given playlist.
Unfortunately, Spotify does not allow deletion of playlists themselves
playlist
- playlist idpublic SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> reorderPlaylistTracks(java.lang.String playlist, int reorderRangeStart, java.lang.Integer reorderRangeLength, int insertionPoint, java.lang.String snapshotId)
Reorder a track or a group of tracks in a playlist.
When reordering tracks, the timestamp indicating when they were added and the user who added them will be kept untouched. In addition, the users following the playlists won’t be notified about changes in the playlists when the tracks are reordered.
Reordering tracks in the current user’s public playlists requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; reordering tracks in the current user’s private playlist (including collaborative playlists) requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The spotify id or uri for the playlist.reorderRangeStart
- The position of the first track to be reordered.reorderRangeLength
- The amount of tracks to be reordered. Defaults to 1 if not set.
The range of tracks to be reordered begins from the range_start position, and includes the range_length subsequent tracks.
Example: To move the tracks at index 9-10 to the start of the playlist, range_start is set to 9, and range_length is set to 2.insertionPoint
- The position where the tracks should be inserted. To reorder the tracks to the end of the playlist, simply set insert_before to the position after the last track.snapshotId
- the playlist snapshot against which to apply this action. recommended to havepublic SpotifyRestAction<kotlin.Unit> setPlaylistTracks(java.lang.String playlist, java.lang.String tracks)
Replace all the tracks in a playlist, overwriting its existing tracks. This powerful request can be useful for replacing tracks, re-ordering existing tracks, or clearing the playlist.
Setting tracks in the current user’s public playlists requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; setting tracks in the current user’s private playlist (including collaborative playlists) requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The spotify id or uri for the playlist.tracks
- The Spotify track ids.public SpotifyRestAction<kotlin.Unit> replacePlaylistTracks(java.lang.String playlist, java.lang.String tracks)
Replace all the tracks in a playlist, overwriting its existing tracks. This powerful request can be useful for replacing tracks, re-ordering existing tracks, or clearing the playlist.
Setting tracks in the current user’s public playlists requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; setting tracks in the current user’s private playlist (including collaborative playlists) requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The spotify id or uri for the playlist.tracks
- The Spotify track ids.public SpotifyRestAction<kotlin.Unit> removeAllPlaylistTracks(java.lang.String playlist)
Remove all the tracks in a playlist
playlist
- the spotify id or uri for the playlist.public SpotifyRestAction<kotlin.Unit> uploadPlaylistCover(java.lang.String playlist, java.lang.String imagePath, java.io.File imageFile, java.awt.image.BufferedImage image, java.lang.String imageData, java.lang.String imageUrl)
Replace the image used to represent a specific playlist. Image type must be jpeg.
You must specify a JPEG image path or image data, maximum payload size is 256 KB
Required conditions: This access token must be tied to the user who owns the playlist, and must have the scope ugc-image-upload granted. In addition, the token must also contain playlist-modify-public and/or playlist-modify-private, depending on the public status of the playlist you want to update.
playlist
- the spotify id or uri for the playlist.imagePath
- Optionally specify the full local path to the imageimageUrl
- Optionally specify a URL to the imageimageFile
- Optionally specify the image Fileimage
- Optionally specify the image's BufferedImage objectimageData
- Optionally specify the Base64-encoded image data yourselfpublic SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> removeTrackFromPlaylist(java.lang.String playlist, java.lang.String track, SpotifyTrackPositions positions, java.lang.String snapshotId)
Remove a track in the specified positions (zero-based) from the specified playlist.
Removing tracks from a user’s public playlist requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; removing tracks from a private playlist requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The playlist idtrack
- The track idpositions
- The positions at which the track is located in the playlistsnapshotId
- The playlist snapshot against which to apply this action. recommended to havepublic SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> removeTrackFromPlaylist(java.lang.String playlist, java.lang.String track, java.lang.String snapshotId)
Remove all occurrences of a track from the specified playlist.
Removing tracks from a user’s public playlist requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; removing tracks from a private playlist requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The playlist idtrack
- The track idsnapshotId
- The playlist snapshot against which to apply this action. recommended to havepublic SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> removeTracksFromPlaylist(java.lang.String playlist, java.lang.String[] tracks, java.lang.String snapshotId)
Remove all occurrences of the specified tracks from the given playlist.
Removing tracks from a user’s public playlist requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; removing tracks from a private playlist requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The playlist idtracks
- An array of track idssnapshotId
- The playlist snapshot against which to apply this action. recommended to havepublic SpotifyRestAction<com.adamratzman.spotify.endpoints.client.ClientPlaylistAPI.Snapshot> removeTracksFromPlaylist(java.lang.String playlist, kotlin.Pair[] tracks, java.lang.String snapshotId)
Remove tracks (each with their own positions) from the given playlist.
Removing tracks from a user’s public playlist requires authorization of the SpotifyScope.PLAYLIST_MODIFY_PUBLIC scope; removing tracks from a private playlist requires the SpotifyScope.PLAYLIST_MODIFY_PRIVATE scope.
playlist
- The playlist idtracks
- An array of Pairs of track ids and track positions (zero-based)snapshotId
- The playlist snapshot against which to apply this action. recommended to have


Ex Wales coach Gatland says no to All Blacks top job
by AGENCE FRANCE PRESSEWELLINGTON, New Zealand, Nov 12 – Former Wales coach Warren Gatland confirmed Tuesday he has turned down an offer to apply for the All Blacks head coaching job.
The New Zealand-born Gatland told Radio Sport his loyalties lie with the Waikato Chiefs club and coaching the British and Irish Lions in 2021.
New Zealand Rugby has invited 26 New Zealand coaches to apply for the All Blacks coaching post vacated by Steve Hansen, and has previously said if Gatland wanted to be considered then he would have to give up the Lions role.
“It was nice to be contacted. I politely declined putting my name forward,” Gatland said.
“I’m a little bit old school. I’d made the commitment to the Chiefs and I’d made the commitment to the Lions, it was important that I carry on with that … honour the commitment I made to those two sides.”
Gatland said if the chance to coach the All Blacks arose again in the future he would consider it, but if not then he had no regrets.
“I’m a great believer in what will be will be,” he said.
“If you are successful, other opportunities will come along. It was time for me to make a decision to leave Wales and the northern hemisphere and come back to New Zealand and I’m excited by that.”
Gatland will coach the Barbarians against his former Wales side on December 1 before returning to New Zealand to take over the Super Rugby club Chiefs on a four-year contract which includes a sabbatical to coach the Lions.
His 12 years with Wales ended when they were beaten by the Hansen-coached All Blacks in the play-off for third at the recent World Cup.
New Zealand Rugby expects to appoint Hansen’s successor before Christmas.
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For about 4 years now, my passion towards web application development has continued to grow as I learn new and exciting technologies. Throughout this time, I’ve obtained my bachelor’s degree in computer science and spent countless hours researching and practicing various software technologies.
However, the one I find myself always coming back to is web application development. From a client-side, I’m able to express my inner creativity via visual web design. From a server-side, I continue to challenge myself by developing the best possible architectures. Combining the two helps fuel my on-going passion for such a phenomenon.


CrimeAround.us is a tool for browsing crime reports from the Chicago Police Department. Reports are available for the City of Chicago from 2001 to one week ago.
Draw a box or a custom shape on the map or use the filters below to filter crime reports.


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nips nips2008 nips2008-31 nips2008-31-reference knowledge-graph by maker-knowledge-mining
Source: pdf
Author: Shakir Mohamed, Zoubin Ghahramani, Katherine A. Heller
Abstract: Principal Components Analysis (PCA) has become established as one of the key tools for dimensionality reduction when dealing with real valued data. Approaches such as exponential family PCA and non-negative matrix factorisation have successfully extended PCA to non-Gaussian data types, but these techniques fail to take advantage of Bayesian inference and can suffer from problems of overﬁtting and poor generalisation. This paper presents a fully probabilistic approach to PCA, which is generalised to the exponential family, based on Hybrid Monte Carlo sampling. We describe the model which is based on a factorisation of the observed data matrix, and show performance of the model on both synthetic and real data. 1
[1] C. M. Bishop, Pattern Recognition and Machine Learning. Information Science and Statistics, Springer, August 2006.
[2] D. D. Lee and H. S. Seung, “Algorithms for non-negative matrix factorization,” in Advances in Neural Information Processing Systems, vol. 13, pp. 556 – 562, MIT Press, Cambridge, MA, 2001.
[3] W. Buntine and A. Jakulin, “Discrete components analysis,” in Subspace, Latent Structure and Feature Selection, vol. 3940/2006, pp. 1–33, Springer (LNCS), 2006.
[4] M. Collins, S. Dasgupta, and R. Schapire, “A generalization of principal components to the exponential family,” in Advances in Neural Information Processing Systems, vol. 14, pp. 617 – 624, MIT Press, Cambridge, MA, 2002.
[5] Sajama and A. Orlitsky, “Semi-parametric exponential family PCA,” in Advances in Neural Information Processing Systems, vol. 17, pp. 1177 – 1184, MIT Press, Cambridge, MA, 2004.
[6] M. Welling, C. Chemudugunta, and N. Sutter, “Deterministic latent variable models and their pitfalls,” in SIAM Conference on Data Mining (SDM), pp. 196 – 207, 2008.
[7] R. M. Neal, “Probabilistic inference using Markov Chain Monte Carlo methods,” Tech. Rep. CRG-TR-93-1, University of Toronto, Department of Computer Science, 1993.
[8] C. Andrieu, N. De Freitas, A. Doucet, and M. I. Jordan, “An introduction to MCMC for machine learning,” Machine Learning, vol. 50, pp. 5–43, 2003.
[9] D. J. C. MacKay, Information Theory, Inference & Learning Algorithms. Cambridge University Press, June 2002.
[10] M. E. Tipping, “Probabilistic visualisation of high dimensional binary data,” in Advances in Neural Information Processing Systems, vol. 11, pp. 592 – 598, MIT Press, Cambridge, MA, 1999.
[11] “UCI machine learning repository.” http://archive.ics.uci.edu/ml/datasets/.


This inspection lists modules which contain redundant dependencies on other modules. These dependencies can be safely removed.


Source code for pandemic_simulator.environment.contact_tracing.max_slot_contact_tracer
# Confidential, Copyright 2020, Sony Corporation of America, All rights reserved.
from orderedset import OrderedSet
from typing import Dict, FrozenSet, List, Mapping, Set
import numpy as np
from ..interfaces import ContactTracer, PersonID
__all__ = ['MaxSlotContactTracer']
[docs]class MaxSlotContactTracer(ContactTracer):
"""A max slot contact tracing app. In this app, contacts are discarded after the maximum storage slots are reached.
For example, if storage_slots is 5, and the time_slot_scale is 24 (a day), only the last 5 days of contacts
will be kept. Note that time_slot_scale is only used as a scale and it should be care of the user to
make sure that the contacts are added in a proper way (respecting that scale)."""
_storage_slots: int
_time_slot_scale: int
_memory: List[Dict[FrozenSet[PersonID], int]]
_indices: List[Dict[PersonID, Set[FrozenSet[PersonID]]]]
def __init__(self, storage_slots: int = 5, time_slot_scale: int = 24):
"""
:param storage_slots: number of slots to preserve in memory.
:param time_slot_scale: scale for returning the contact values.
"""
self._storage_slots = storage_slots
self._time_slot_scale = time_slot_scale
self._memory = [dict() for i in range(0, storage_slots)]
self._indices = [dict() for i in range(0, storage_slots)]
[docs] def new_time_slot(self) -> None:
"""
Adds a new time slot to the contact tracing (e.g., a new day, or a new hour, depending on the granularity).
"""
self._memory = np.roll(self._memory, 1)
self._indices = np.roll(self._indices, 1)
self._memory[0] = dict()
self._indices[0] = dict()
[docs] def reset(self) -> None:
"""
Resets the traces.
"""
self._memory = [dict() for i in range(0, self._storage_slots)]
self._indices = [dict() for i in range(0, self._storage_slots)]
[docs] def add_contacts(self, contacts: OrderedSet) -> None:
"""
Adds a trace of contacts obtained at a given time.
:param contacts: Contacts to add.
"""
for c in contacts:
idx = frozenset(c)
if idx not in self._memory[0]:
self._memory[0][idx] = 0
self._memory[0][idx] += 1
for pid in idx:
if pid not in self._indices[0]:
self._indices[0][pid] = OrderedSet()
self._indices[0][pid].add(idx)
[docs] def get_contacts(self, person_id: PersonID) -> Mapping[PersonID, np.ndarray]:
"""
Get a trace for
:param person_id: Person's id to trace.
:return: Mapping from each contact's id to a numpy array of floats between 0 and 1, representing
the contact hours scaled on a day (24 hours). The length of the sequence depends on the number of days for
data conservation.
"""
res = dict()
for slot_num, indices in enumerate(self._memory):
if person_id not in self._indices[slot_num]:
continue
p_indices = self._indices[slot_num][person_id]
for idx in p_indices:
pid = [val for val in idx if val != person_id]
if pid[0] not in res:
res[pid[0]] = np.zeros(self._storage_slots)
res[pid[0]][slot_num] += self._memory[slot_num][idx]/float(self._time_slot_scale)
return res


The DOMImplementation
interface provides a number of methods for performing operations that are independent of any particular instance of the document object model.
More...
|
|
| virtual | ~DOMImplementation () |
| | Destructor. More...
|
| |
|
| virtual bool | hasFeature (const XMLCh *feature, const XMLCh *version) const =0 |
| | Test if the DOM implementation implements a specific feature. More...
|
| |
|
| virtual DOMDocumentType * | createDocumentType (const XMLCh *qualifiedName, const XMLCh *publicId, const XMLCh *systemId)=0 |
| | Creates an empty DOMDocumentType node. More...
|
| |
| virtual DOMDocument * | createDocument (const XMLCh *namespaceURI, const XMLCh *qualifiedName, DOMDocumentType *doctype, MemoryManager *const manager=XMLPlatformUtils::fgMemoryManager)=0 |
| | Creates a DOMDocument object of the specified type with its document element. More...
|
| |
|
| virtual void * | getFeature (const XMLCh *feature, const XMLCh *version) const =0 |
| | This method returns a specialized object which implements the specialized APIs of the specified feature and version, as specified in DOM Features. More...
|
| |
| virtual | ~DOMImplementationLS () |
| | Destructor. More...
|
| |
| virtual DOMLSParser * | createLSParser (const DOMImplementationLSMode mode, const XMLCh *const schemaType, MemoryManager *const manager=XMLPlatformUtils::fgMemoryManager, XMLGrammarPool *const gramPool=0)=0 |
| | Create a new DOMLSParser. More...
|
| |
| virtual DOMLSSerializer * | createLSSerializer (MemoryManager *const manager=XMLPlatformUtils::fgMemoryManager)=0 |
| | Create a new DOMLSSerializer. More...
|
| |
| virtual DOMLSInput * | createLSInput (MemoryManager *const manager=XMLPlatformUtils::fgMemoryManager)=0 |
| | Create a new "empty" DOMLSInput. More...
|
| |
| virtual DOMLSOutput * | createLSOutput (MemoryManager *const manager=XMLPlatformUtils::fgMemoryManager)=0 |
| | Create a new "empty" LSOutput. More...
|
| |
The DOMImplementation
interface provides a number of methods for performing operations that are independent of any particular instance of the document object model.
| DOMImplementation::DOMImplementation |
( |
| ) |
|
|
protected |
| virtual DOMImplementation::~DOMImplementation |
( |
| ) |
|
|
virtual |
Creates a DOMDocument object of the specified type with its document element.
- Parameters
-
| namespaceURI | The namespace URI of the document element to create. |
| qualifiedName | The qualified name of the document element to be created. |
| doctype | The type of document to be created or null . When doctype is not null , its ownerDocument attribute is set to the document being created. |
| manager | Pointer to the memory manager to be used to allocate objects. |
- Returns
- A new
DOMDocument
object.
- Exceptions
-
| DOMException | INVALID_CHARACTER_ERR: Raised if the specified qualified name contains an illegal character.
NAMESPACE_ERR: Raised if the qualifiedName is malformed, if the qualifiedName has a prefix and the namespaceURI is null , or if the qualifiedName has a prefix that is "xml" and the namespaceURI is different from "
http://www.w3.org/XML/1998/namespace" , or if the DOM implementation does not support the "XML" feature but a non-null namespace URI was provided, since namespaces were defined by XML.
WRONG_DOCUMENT_ERR: Raised if doctype has already been used with a different document or was created from a different implementation.
NOT_SUPPORTED_ERR: May be raised by DOM implementations which do not support the "XML" feature, if they choose not to support this method. Other features introduced in the future, by the DOM WG or in extensions defined by other groups, may also demand support for this method; please consult the definition of the feature to see if it requires this method. |
- Since
- DOM Level 2
Non-standard extension.
Create a completely empty document that has neither a root element or a doctype node.
Creates an empty DOMDocumentType
node.
Entity declarations and notations are not made available. Entity reference expansions and default attribute additions do not occur. It is expected that a future version of the DOM will provide a way for populating a DOMDocumentType
.
- Parameters
-
| qualifiedName | The qualified name of the document type to be created. |
| publicId | The external subset public identifier. |
| systemId | The external subset system identifier. |
- Returns
- A new
DOMDocumentType
node with ownerDocument
set to null
.
- Exceptions
-
| DOMException | INVALID_CHARACTER_ERR: Raised if the specified qualified name contains an illegal character.
NAMESPACE_ERR: Raised if the qualifiedName is malformed.
NOT_SUPPORTED_ERR: May be raised by DOM implementations which do not support the "XML" feature, if they choose not to support this method. Other features introduced in the future, by the DOM WG or in extensions defined by other groups, may also demand support for this method; please consult the definition of the feature to see if it requires this method. |
- Since
- DOM Level 2
| virtual void* DOMImplementation::getFeature |
( |
const XMLCh * |
feature, |
|
|
const XMLCh * |
version |
|
) |
| const |
|
pure virtual |
This method returns a specialized object which implements the specialized APIs of the specified feature and version, as specified in DOM Features.
This method also allow the implementation to provide specialized objects which do not support the DOMImplementation
interface.
- Parameters
-
| feature | The name of the feature requested (case-insensitive). Note that any plus sign "+" prepended to the name of the feature will be ignored since it is not significant in the context of this method. |
| version | This is the version number of the feature to test. |
- Returns
- Returns an object which implements the specialized APIs of the specified feature and version, if any, or null if there is no object which implements interfaces associated with that feature.
- Since
- DOM Level 3
Non-standard extension.
Factory method for getting a DOMImplementation object. The DOM implementation retains ownership of the returned object. Application code should NOT delete it.
| virtual bool DOMImplementation::hasFeature |
( |
const XMLCh * |
feature, |
|
|
const XMLCh * |
version |
|
) |
| const |
|
pure virtual |
Test if the DOM implementation implements a specific feature.
- Parameters
-
| feature | The name of the feature to test (case-insensitive). The values used by DOM features are defined throughout the DOM Level 2 specifications and listed in the section. The name must be an XML name. To avoid possible conflicts, as a convention, names referring to features defined outside the DOM specification should be made unique. |
| version | This is the version number of the feature to test. In Level 2, the string can be either "2.0" or "1.0". If the version is not specified, supporting any version of the feature causes the method to return true . |
- Returns
true
if the feature is implemented in the specified version, false
otherwise.
- Since
- DOM Level 1
| static bool DOMImplementation::loadDOMExceptionMsg |
( |
const short |
msgToLoad, |
|
|
XMLCh *const |
toFill, |
|
|
const XMLSize_t |
maxChars |
|
) |
| |
|
static |
Non-standard extension.
Load the default error text message for DOMException.
- Parameters
-
| msgToLoad | The DOM ExceptionCode id to be processed |
| toFill | The buffer that will hold the output on return. The size of this buffer should at least be 'maxChars + 1'. |
| maxChars | The maximum number of output characters that can be accepted. If the result will not fit, it is an error. |
- Returns
true
if the message is successfully loaded
The documentation for this class was generated from the following file:


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This huge commercial port on the northern coast of Java is the port for Jakarta. This is the principal city in Indonesia and has a population of over 10 million people.
Position 6°07.16’S 106°50.35’E.
Sunda Kelapa harbour and Ancol marina are both official Ports of Entry.
NEW Indonesian CIQP procedures came into effect from the 27th February, 2016.
A CAIT, Green Book/Sailing Permit and use of an Agent to obtain clearance papers are no longer required. See Noonsite Indonesia Formalities for full details.
Last updated March 2016.
The only place available for visiting yachts is Batavia Marina (see photo left courtesy of Gary Penney).
Marina Pantai Mutiara, just west of the Phinisi Harbour, cannot be entered at low tide.
Batavia marina is in the old harbour of Sund Kelapa located west of the commercial docks. See Cruisers' report with the details of the approach to Batavia Marina and/or comments posted below.
Note that the lit channel marks are difficult to identify at night due to the city lights. It may be advisable to anchor off the breakwater and wait until daylight.
Last updated October 2015.
JOSC sometimes publishes a useful list of suppliers and companies providing repair services.


IsSound()
语法
Result = IsSound(#Sound)概要
Tests if the specified number is a valid and correctly initialized sound.
参数
#Sound The sound to use.
返回值
Nonzero if the specified number is a valid sound, zero otherwise.
备注
This function is bulletproof and can be used with any value. This is the correct way to ensure a sound is ready to use.
示例
If IsSound(0) = 0 MessageRequester("Info", "The sound is not valid.") EndIf
参阅
FreeSound()
已支持操作系统
所有


WAYNE'S WORLD 2 A film review by Ken Johnson Copyright 1994 Ken Johnson
1:31, Comedy, 1993 MPAA rating: PG-13 (explicit language, adult situations, adult humor) Rating: four (on a scale of zero to five) Director: Stephen Surjik Cast: Mike Myers, Dana Carvey, Christopher Walken, Tia Carrere, Ralph Brown, Kim Basinger, Chris Farley, Aerosmith, Drew Barrymore, Ed O'Neill, Charlton Heston
Wayne Campbell (Mike Myers) and Garth Algar (Dana Carvey) have moved out and are on their own. Wayne is visited in a dream by Jim Morrison, who tells Wayne to have a concert, the modern version of Woodstock. Wayne and Garth go through many problems to try and make the concert happen. Also, Christopher Walken is trying to break up Wayne and his girlfriend Cassandra (Tia Carrere).
The problem with most sequels of great movies is that the sequel stinks, take CADDYSHACK and CADDYSHACK 2 for instance. Luckily WAYNE'S WORLD 2 doesn't fall into that problem. WAYNE'S WORLD 2 keeps the charm of the original, without being a carbon copy of the original. It is great to see Wayne and Garth back in action and in great form.
Some of the cameos in this film are great. Especially Charlton Heston and Drew Barrymore. They keep the general idea of the film moving. Other cameos, like Ed O'Neill's, are disappointing, but they are few.
WAYNE'S WORLD 2 has a kick-ass soundtrack, that includes Aerosmith, Gin Blossoms, and Bad Company that keeps the mood of the film going throughout. WAYNE'S WORLD 2 is well-written, and those that enjoyed the first will probably enjoy number two. Also, as a word of advise, stay through the end credits. Like the first film, this film has a cute segment in the end credits.
-------- Ken Johnson<EMAIL_ADDRESS>.
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


This R package provides function for connecting to various DBMSs. Together with the SqlRender
package, the main goal of DatabaseConnector
is to provide a uniform interface across database platforms: the same code should run and produce equivalent results, regardless of the database back end.
DBI
interface, with SQL statements automatically translated to the appropriate dialect.dbplyr
interface.
connectionDetails <- createConnectionDetails(dbms="postgresql",
server="localhost",
user="root",
password="blah")
conn <- connect(connectionDetails)
querySql(conn,"SELECT COUNT(*) FROM person")
disconnect(conn)
Running the package requires R with the package rJava installed. Also requires Java 1.8 or higher.
See the instructions here for configuring your R environment, including Java.
To install the latest stable version, install from CRAN:
install.packages("DatabaseConnector")
Documentation can be found on the package website.
PDF versions of the documentation are also available:
Read here how you can contribute to this package.
DatabaseConnector is licensed under Apache License 2.0. The JDBC drivers fall under their own respective licenses.


1, Click Home will back to this page.
2, Click Charts will get a drop down menu and could go to the answers for the questions
3, Click Get Source Code button at the footer, will be redirected to the source code page on github.com.
Site for D3JS examples


{% extends "../base_generic.html" %} {% block title-main %}Login{% endblock %} {% block page-content %} {% load static %} {% if form.errors %}
Your username and password didn't match. Please try again.
{% else %} {% if next %} {% if user.is_authenticated %}Your account doesn't have access to this page. To proceed, please login with an account that has access.
{% else %}


ESAP Calendar 2016-2017
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Director
Surya Kalidindi, ProfessorPostdocs and Visiting Scholars
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Zheng Yang, Visiting Professor
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Domain Expertise
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{% if site.compass.include_content %}
{% include content.html %}
{% endif %}


Telegram Driver is designed to send notifications using the popular Telegram messenger. The advantages of using Telegram is quickness of receiving notifications, no fee for the service and easy management of notification groups.
Telegram Driver is installed in accordance with the general sequence of installing Communicator drivers. The driver library file is KpTelegram.dll.
First you need to create a Telegram bot. To do this:
Configuring of notifications is performed using the Administrator application as part of a project. The configuring steps are:
If the settings are correct, your bot will respond to messenger commands, for example, the /help command. It is necessary to specify the subscriptions (chats) in the driver settings.
To get the ID and the name of the subscription, send the /info command using the messenger. Then add the received values using the device configuration form.
Obsolete method: to add or remove subscriptions, use the /start and /stop commands with the previously generated password. However, by default, subscription changes are blocked. To unlock it, send a standard command number 2 with a value of 1 by Communicator. Then you can add or remove subscriptions.
To send a message from Rapid SCADA to a Telegram group, you need send a binary command number 1 containing the group name (or identifier) and the message text. For example:
RapidScadaDemo; Test message.
Automatic sending of notifications in case of specific conditions and events are performed by Automatic Control Module.


Developer resources
| Page authored by Liviu Ionescu; last modified on Sat Dec 22 12:04:58 2018 UTC. |
Improve this page |
TBD
Procedures
Developer
Issues
NPM modules
xPacks
Analytics
NPM modules
xPacks
References
-
eCos - The embedded configurable operating system by Cygnus Solutions (Wikipedia)
- Manual: The eCos Component Writer’s Guide, by Bart Veer and John Dallaway, published in 2001, available from eCos Documentation.
- Book: Embedded software development with eCos, by Anthony J. Massa, published in 2003 at Prentice Hall, available from Amazon
- Book: Software Build Systems: Principles and Experience, by Peter Smith, published in 2011 at Addison Wesley, available from Amazon
- IEEE Std 830-1998: IEEE Recommended Practice for Software Requirements Specifications, published in 1998
-
CMSIS-Pack - ARM mechanism to install software, device support, APIs, and example projects
Distribution management systems
IoT development environments
For an exhaustive list, see Wikipedia.
-
Apache Maven (written in Java, XML configuration files)
-
SCons (configuration files are Python scripts)
-
RAKE - Ruby Make (tasks and dependencies in Ruby)
-
buildr - Apache Buildr is a build system for Java-based applications
-
Gradle (written in Groovy)
-
CMake (written in C++; uses native builders like make)
-
Waf (a build tool written in Python)
-
GNU Make (the classical tool; hopeless for folders with spaces)
Continuous integration
For an exhaustive list see Wikipedia.
-
Hudson (the original Sun project, donated by Oracle to the Eclipse Foundation)
-
Jenkins (the more active fork, backed by the project creator)
-
Travis (the GitHub prefered solution, very good integration)
JavaScript resources


Source code for allocators.autoAllocator
# Copyright 2014 Modelling, Simulation and Design Lab (MSDL) at
# McGill University and the University of Antwerp (http://msdl.cs.mcgill.ca/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
[docs]class AutoAllocator(object):
"""
Allocate all models in a static manner, simply trying to divide the number of models equally.
Our 'heuristic' is to allocate in chunks as defined in the root coupled model.
"""
[docs] def allocate(self, models, edges, nr_nodes, total_activities):
"""
Calculate allocations for the nodes, using the information provided.
:param models: the models to allocte
:param edges: the edges between the models
:param nr_nodes: the number of nodes to allocate over. Simply an upper bound!
:param total_activities: activity tracking information from each model
:returns: allocation that was found
"""
allocation = {}
allocated_topmost = {}
current_node = 0
total_models = len(models)
for model in models:
# Not yet allocated, so allocate it somewhere
child = model
searchmodel = model
while searchmodel.parent is not None:
child = searchmodel
searchmodel = searchmodel.parent
# searchmodel is now the root model
# child is its 1st decendant, on which we will allocate
try:
node = allocated_topmost[child]
except KeyError:
current_node = (current_node + 1) % nr_nodes
allocated_topmost[child] = current_node
node = current_node
allocation[model.model_id] = node
return allocation
[docs] def getTerminationTime(self):
"""
Returns the time it takes for the allocator to make an 'educated guess' of the advised allocation.
This time will not be used exactly, but as soon as the GVT passes over it. While this is not exactly
necessary, it avoids the overhead of putting such a test in frequently used code.
:returns: float -- the time at which to perform the allocations (and save them)
"""
# No need for any run time information
return 0.0


Module pl.dir
Useful functions for getting directory contents and matching them against wildcards
Functions
| clonetree (path1, path2, file_fun, verbose) | clone a directory tree. |
| copyfile (src, dest, flag) | copy a file. |
| filter (files, pattern) | return a list of all files in a list of files which match the pattern. |
| fnmatch (file, pattern) | does the filename match the shell pattern?. |
| getallfiles (start_path, pattern) | Recursively returns all the file starting at path. |
| getdirectories (dir) | return a list of all subdirectories of the directory. |
| getfiles (dir, mask) | return a list of all files in a directory which match the a shell pattern. |
| makepath (p) | create a directory path. |
| movefile (src, dest) | move a file. |
| rmtree (fullpath) | remove a whole directory tree. |
| walk (root, bottom_up) | return an iterator which walks through a directory tree starting at root. |
Functions
- clonetree (path1, path2, file_fun, verbose)
-
clone a directory tree. Will always try to create a new directory structure if necessary.
Parameters
- path1: the base path of the source tree
- path2: the new base path for the destination
- file_fun: an optional function to apply on all files
- verbose: an optional boolean to control the verbosity of the output.
Usage:
clonetree('.','../backup',copyfile)Return value:
if failed, false plus an error message. If completed the traverse, true, a list of failed directory creations and a list of failed file operations. - copyfile (src, dest, flag)
-
copy a file.
Parameters
- src: source file
- dest: destination file
- flag: true if you want to force the copy (default)
Return value:
true if operation succeeded - filter (files, pattern)
-
return a list of all files in a list of files which match the pattern. (cf. fnmatch.filter in Python, 11.8)
Parameters
- files: A table containing file names
- pattern: A shell pattern.
- fnmatch (file, pattern)
-
does the filename match the shell pattern?. (cf. fnmatch.fnmatch in Python, 11.8)
Parameters
- file: A file name
- pattern: A shell pattern
- getallfiles (start_path, pattern)
-
Recursively returns all the file starting at path. It can optionally take a shell pattern and only returns files that match pattern. If a pattern is given it will do a case insensitive search.
Parameters
- start_path: {string} A directory. If not given, all files in current directory are returned.
- pattern: {string} A shell pattern. If not given, all files are returned.
Return value:
Table containing all the files found recursively starting at path and filtered by pattern. - getdirectories (dir)
-
return a list of all subdirectories of the directory.
Parameters
- dir: A directory
- getfiles (dir, mask)
-
return a list of all files in a directory which match the a shell pattern.
Parameters
- dir: A directory. If not given, all files in current directory are returned.
- mask: A shell pattern. If not given, all files are returned.
- makepath (p)
-
create a directory path. This will create subdirectories as necessary!
Parameters
- p: A directory path
- movefile (src, dest)
-
move a file.
Parameters
- src: source file
- dest: destination file
Return value:
true if operation succeeded - rmtree (fullpath)
-
remove a whole directory tree.
Parameters
- fullpath: A directory path
- walk (root, bottom_up)
-
return an iterator which walks through a directory tree starting at root. The iterator returns (root,dirs,files) Note that dirs and files are lists of names (i.e. you must say _path.join(root,d)_ to get the actual full path) If bottom_up is false (or not present), then the entries at the current level are returned before we go deeper. This means that you can modify the returned list of directories before continuing. This is a clone of os.walk from the Python libraries.
Parameters
- root: A starting directory
- bottom_up: False if we start listing entries immediately.


The Algorithm, used here, is derived from the Mellis method. Areas of different counting densities have different colours. The gradation of steps between the contour lines can be done either in multiples of even distribution with a logarithmic gradation or they can be user defined gradation.


Boba.js is a small, easily extensible JavaScript library that makes working with Google Analytics easier.
It supports the old
ga.js
library as well as the new
analytics.js
library. It has one out of the box function, trackLinks
,
and makes tracking everything else child's play. Requires
jQuery.
Include your GA script and jQuery, then create a new instance of Boba:
tracker = new Boba
If you're using Browserify:
$ = require("jquery")
Boba = require("boba.js")
Boba.$ = $
tracker = new Boba
All options are optional.
tracker = new Boba({
siteName: 'Mandalore',
pageName: 'Slave I',
defaultCategory: 'category',
defaultAction: 'action',
defaultLabel: 'label',
watch: [
['click', '.js-track-solo', trackSolo],
['click', '.js-track-chewie', trackChewie]
]
})
The name of the site and page, respectively.
You can also get and set tracker.siteName
and tracker.pageName
at any time:
tracker.siteName = 'Mandalore'
tracker.pageName = 'Slave I'
If an event does not have a category, action, or label, these values will be used instead.
You can also change these at any time:
tracker.defaultCategory = 'category'
tracker.defaultAction = 'action'
tracker.defaultLabel = 'label'
An array of arguments to apply to the watch
method on
initialization.
watch: [
['click', '.js-track-solo', trackSolo],
['click', '.js-track-chewie', trackChewie]
]
tracker.watch(eventType, selector, callback)
This will set up delegated event handlers for you. Under the hood, it does something like this:
$('body').on(eventType, selector, function(event) {
tracker.push(callback(event))
})
tracker.watch('click', '.js-track', trackClick)
tracker.watch('change', '.js-track-select', trackSelect)
The callback is passed a
jQuery event object
and should return an object with category
, action
, label
, and value
properties:
{
category: "category",
action: "action",
label: "label",
value: 42
}
Any values not supplied will use defaults from the options (e.g.
tracker.options.defaultCategory
).
This is a helper that basically does this:
tracker.watch('click', '.js-track', function (event) {
return $(event.currentTarget).data()
})
You can use these data attributes to set the category, action, label, and value when using this method:
data-ga-category
data-ga-action
data-ga-label
data-ga-value
You can pass in an alternate selector if you don't want to use '.js-track'
.
For example, you could use a data attribute instead of a class:
tracker.trackLinks('[data-ga-track]')
This can be used to fire events manually.
tracker.push({
category: "category",
action: "action",
label: "label",
value: 42
})


--- layout: post status: publish published: true title: 'Erlang Examples: Talk with Erlang' author: display_name: Geoff Lane login: admin email<EMAIL_ADDRESS>url: http://www.zorched.net author_login: admin author_email<EMAIL_ADDRESS>author_url: http://www.zorched.net date: '2008-05-30 14:55:04 -0400' date_gmt: '2008-05-30 20:55:04 -0400' categories: - Erlang tags: - erlang exercises comments: - id: 13264 author: Chris B author_email<EMAIL_ADDRESS>author_url: '' date: '2008-06-24 01:40:06 -0400' date_gmt: '2008-06-24 07:40:06 -0400' content: "My version of erlang doesn't like the case statement as you've written it. only\r\n\r\ncase string:equal(\"exit!\", Message) of\r\n\r\nworks. Is that a typo?" - id: 13266 author: Geoff Lane author_email<EMAIL_ADDRESS>author_url: http://www.zorched.net date: '2008-06-24 07:47:55 -0400' date_gmt: '2008-06-24 13:47:55 -0400' content: "Chris,\r\nYep, I think it was a typo - you're right it's 'of' not 'do'. Too much Ruby in my head probably. :)\r\nThanks for pointing that out, it's fixed now." ---
This is part of a series on the Erlang Exercises which is a great set of programming problems that challenge you to implement solutions to some common Erlang problems. I'm going to share some of my solutions to these problems.
{% highlight erlang %} -module(talk2). -compile(export_all). start() -> OtherNode = clean(io:get_line('What node? ')), FullNode = string:concat(OtherNode, "@localhost"), io:format("talking to: ~s~n", [FullNode]), register(receiver, spawn(?MODULE, receiver, [])), register(sender, spawn(?MODULE, sender, [list_to_atom(FullNode)])), get_input(). get_input() -> Message = clean(io:get_line('Talk: ')), case string:equal("exit!", Message) of true -> receiver ! done, sender ! done; false -> talk(Message), get_input() end. talk(Message) -> sender ! {send, Message}. sender(OtherNode) -> receive {send, Message} -> rpc:call(OtherNode, talk2, send_message, [Message]), sender(OtherNode); done -> void end. send_message(Message) -> receiver ! {message, Message}. receiver() -> receive {message, Message} -> io:format("~s~n", [Message]), receiver(); done -> void end. clean(Data) -> string:strip(Data, both, $\n). {% endhighlight %}
start() -> This starts the application by asking the user for the name of the other Erlang node to talk to. Erlang nodes are started by running them with a node name erl -name foo. That along with host information are used to talk to a remote node.
So, first using io:get_line('What node? ') we ask the user then name of the other node. Then we spawn 2 processes. One to receive messages and one to send them. The interesting part here is the use of the register function. It takes an atom and a process id. The register function basically binds a pid to an atom and creates a globally accessible pid. It just simplifies the code a bit so you don't have to pass those pids to all of the other functions.
get_input() -> This is the main user input loop. It asks the user for a message and then sends that message to the sender process. io:get_line('Talk: ') waits for user input before it returns, so only after a user types something and hits return will this function continue. If the case string:equal("exit!", Message) do evaluates to true, then the sender and receiver processes are told to exit and the program ends naturally. Otherwise the message is sent.
talk(Message) -> This function sends the message to the sender process.
sender(OtherNode) -> This is the function that is running as the sender process. It is initialized with the remote OtherNode information. It receives messages and forwards them to the OtherNode. The rpc:call(OtherNode, talk2, send_message, [Message]), call invokes the send_message function running on the remote node.
send_message(Message) -> This is really an RPC helper method that passes messages it get to the process running the receive function.
receiver() -> The receiver is the function that is being run as the receiver process. It listens for messages and when it gets one it prints it out to the user.
{% highlight erlang %} register(remote_receiver, spawn(OtherNode, talk2, receiver, [])), remote_receiver ! "Hello". {% endhighlight %}
An exercise I'll leave up to you!


Before Change
for b in range(batch_size):
value = samples[b].value[0]
min = samples[b].distribution.prior_min
l -= log_weights[b, int(value) - min] // Should we average this over dimensions? See http://pytorch.org/docs/nn.html//torch.nn.KLDivLoss
return l
class ProposalNormal(nn.Module):
After Change
log_weights = torch.log(proposal_output + util.epsilon)
l = 0
for b in range(batch_size):
value = Variable(samples[b].value, requires_grad=False) // value is one-hot
l -= torch.sum(log_weights[b] * value) // Should we average this over dimensions? See http://pytorch.org/docs/nn.html//torch.nn.KLDivLoss
return l
class ProposalNormal(nn.Module):


A C F G I M R S
A
- Application - Class in com.prodigious.festivities.api.app
-
Main class of application
- Application() - Constructor for class com.prodigious.festivities.api.app.Application
-
C
- com.prodigious.festivities.api.app - package com.prodigious.festivities.api.app
-
- com.prodigious.festivities.api.bean - package com.prodigious.festivities.api.bean
-
- com.prodigious.festivities.api.repository - package com.prodigious.festivities.api.repository
-
- com.prodigious.festivities.api.validator - package com.prodigious.festivities.api.validator
-
- com.prodigious.festivities.api.validator.annotations - package com.prodigious.festivities.api.validator.annotations
-
- configureRepositoryRestConfiguration(RepositoryRestConfiguration) - Method in class com.prodigious.festivities.api.app.RepositoryConfiguration
-
- configureValidatingRepositoryEventListener(ValidatingRepositoryEventListener) - Method in class com.prodigious.festivities.api.app.RepositoryConfiguration
-
F
- Festivity - Class in com.prodigious.festivities.api.bean
-
Festivity java bean
- Festivity() - Constructor for class com.prodigious.festivities.api.bean.Festivity
-
- Festivity(String, String, Date, Date) - Constructor for class com.prodigious.festivities.api.bean.Festivity
-
- FestivityRepository - Interface in com.prodigious.festivities.api.repository
-
Festivity Repository, this class generates all the available REST services
- findByName(String) - Method in interface com.prodigious.festivities.api.repository.FestivityRepository
-
Find festivities by name
- findByPlace(String) - Method in interface com.prodigious.festivities.api.repository.FestivityRepository
-
Find festivities by place
- findByStart(Date) - Method in interface com.prodigious.festivities.api.repository.FestivityRepository
-
Find festivities by start date
- findByStartAfter(Date) - Method in interface com.prodigious.festivities.api.repository.FestivityRepository
-
Find festivities within start date is after date parameter
- findByStartBetween(Date, Date) - Method in interface com.prodigious.festivities.api.repository.FestivityRepository
-
Find festivities within start between start and end parameters
G
- getEnd() - Method in class com.prodigious.festivities.api.bean.Festivity
-
- getEndDate() - Method in class com.prodigious.festivities.api.bean.Festivity
-
- getEndDate() - Method in interface com.prodigious.festivities.api.validator.StartEndDateable
-
Return the LocalDate representing the end date.
- getId() - Method in class com.prodigious.festivities.api.bean.Festivity
-
- getName() - Method in class com.prodigious.festivities.api.bean.Festivity
-
- getPlace() - Method in class com.prodigious.festivities.api.bean.Festivity
-
- getStart() - Method in class com.prodigious.festivities.api.bean.Festivity
-
- getStartDate() - Method in class com.prodigious.festivities.api.bean.Festivity
-
- getStartDate() - Method in interface com.prodigious.festivities.api.validator.StartEndDateable
-
Return the LocalDate representing the start date.
I
- initialize(StartBeforeEndDateValid) - Method in class com.prodigious.festivities.api.validator.StartBeforeEndDateValidator
-
Initializer
- isValid(StartEndDateable, ConstraintValidatorContext) - Method in class com.prodigious.festivities.api.validator.StartBeforeEndDateValidator
-
Evaluate if the end date is after start date
M
- main(String[]) - Static method in class com.prodigious.festivities.api.app.Application
-
R
- removeByName(String) - Method in interface com.prodigious.festivities.api.repository.FestivityRepository
-
Deletes festivities by name
- RepositoryConfiguration - Class in com.prodigious.festivities.api.app
-
Configuration within a Java Class
- RepositoryConfiguration() - Constructor for class com.prodigious.festivities.api.app.RepositoryConfiguration
-
- run(String...) - Method in class com.prodigious.festivities.api.app.Application
-
S
- setEnd(Date) - Method in class com.prodigious.festivities.api.bean.Festivity
-
- setId(String) - Method in class com.prodigious.festivities.api.bean.Festivity
-
- setName(String) - Method in class com.prodigious.festivities.api.bean.Festivity
-
- setPlace(String) - Method in class com.prodigious.festivities.api.bean.Festivity
-
- setStart(Date) - Method in class com.prodigious.festivities.api.bean.Festivity
-
- StartBeforeEndDateValid - Annotation Type in com.prodigious.festivities.api.validator.annotations
-
Annotation for Java Bean Validations JSR 303.
- StartBeforeEndDateValidator - Class in com.prodigious.festivities.api.validator
-
This is the validator class that evaluates if the start date is before or not
than the end date.
- StartBeforeEndDateValidator() - Constructor for class com.prodigious.festivities.api.validator.StartBeforeEndDateValidator
-
- StartEndDateable - Interface in com.prodigious.festivities.api.validator
-
Dates interface for start before end validation
A C F G I M R S
Copyright © 2016 Pivotal Software, Inc.. All rights reserved.


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