Each week a module is released consisting of learning materials, along with a 60-90 minute lecture.
Shortly after, corresponding practise materials released for you to work through and discuss with peers in designated channels.
Interactive live session where we go through how we approached the materials and facilitate an open forum to discuss questions.
Become a member and get a four week introducatory course with a dedicated instructor for live & structured learning.
Become a member and get a four week introducatory course with a dedicated instructor for live & structured learning.
Each week a module is released consisting of learning materials, along with a 60-90 minute lecture.
We teach you the market structure of the chart that will allow you to read price charts and understand entry and exit zones.
Module 3 is focused on teaching you risk managment strategy and invaliation so you can manage our risk and know when to exit.
Module 4 brings everything together into a unified plan and introduces common schematics and structures.


Mohan's(My) github Profile
All the images in the project are taken from internet. I have no right on the images. But the name of products and their tag lines are mostly mine


in@@include('./src/templates/_head.html') @@include('./src/templates/_nav.html')
Like most research projects, Rhythm is a work-in-progress! We're working on these pages. Check back later for more info.
In the meantime, head back to our homepage, or email us for more information.


Certain questions about Tidy come up on a regular basis. These are some that have been culled from postings to the<EMAIL_ADDRESS>and<EMAIL_ADDRESS>mailing lists. If you don't see your question addressed here, see How To Get Support below.
If you have a popup screen that reads as follows:
HTML Tidy for Windows <vers 1st August 2002; built on Aug 8 2002, at 15:41:13> Parsing Console input <stdin>
and do not know what to do next, read on.
Tidy is waiting for your HTML to come in, so it can parse it. Tidy is fundamentally a tool that reads in HTML cleans it up and writes it out again. It was developed as a program you run from the console prompt, but there are GUI encapsulations available, e.g. HTML-Kit, which you might prefer.
If you are using Windows, the first step is to unzip the zip file and place the tidy.exe file in a folder somewhere on your executables path. You may also want to set up a config file to save having to type lots of options each time you run Tidy. From the console prompt you can run Tidy like this:
C> tidy -m mywebpage.html
In this case, the -m
option requests Tidy to write
the tidied file back to the same filename as it read from
(mywebpage.html). Tidy will give you a breakdown of the problems it
found and the version of HTML the file appears to be using.
To get a listing of Tidy command line options, just type
tidy -?
. To see a listing on configuration options,
try tidy -help-config
. To get more info on the
config options, see the Quick Reference.
See also Dave Raggett's User Guide.
If you're not comfortable with the DOS command line, you should try one of the GUI Applications.
For general HTML Tidy support, the original mailing list<EMAIL_ADDRESS>is best. Sometimes developers are the last to know... Also, this list covers both Java and C versions, not to mention various value-added products such as GUI front ends, Perl and Python integration, etc. If you don't get a response after a couple tries or if you have a bug fix, bump it over to the developer list at<EMAIL_ADDRESS>It's not a hard line, but that is the general arrangement.
You are encouraged to report bugs you found to the Tidy developer team. Tidy's quality depends on your feedback. You can either file your bug report in the Sourceforge bug tracker for HTML Tidy (recommended) or send a mail to the mailing list at<EMAIL_ADDRESS>Note you do not have to have a Sourceforge account in order to file bug reports, or be subscribed to<EMAIL_ADDRESS>in order to post messages to the list.
Prior to submitting a bug report, please check that the bug is not already known. Many are. If you are not sure, just ask. If it is new bug, make sure to include at least the following information in your report:
tidy
-v
) and operating system you are running.-asxml
, configuration files, etc. You may use
tidy -show-config
to get an overview of the active
Tidy settings.These information are necessary to reproduce whatever is failing, without them we cannot help you. Additional information - and patches - are very welcome!
Please include only one bug per report. Reports with multiple bugs are less easy to track and some bugs may get missed.
If you want Tidy to do something new that it doesn't do today (or stop doing something), then it is probably a feature request.
The process for submitting a feature request is very similar to bug requests. A different tracker is used on SourceForge to denote the difference in subject matter.
As with bugs, please be sure that the feature has not already been requested. If the feature has already requested, you can add your comments to the feature request tracker, or send mail to the mailing list indicating your wish to also have the feature implemented. If the feature has not already been requested, send the same information as for a bug report, but place special emphasis on the desired output for a given input, desired options, etc. - please be as specific as possible about what you want Tidy to do.
There are three primary options that control how Tidy formats your markup:
Briefly, indent
sets the level of left-to-right indenting
and, somewhat, how often elements are put onto a new line. The options
are yes
, no
, and auto
.
indent-attributes
is a flag that, when set, tells Tidy to
put each attribute on a new line. vertical-space
is a flag
that, when set, tells Tidy to add some empty lines for readability. The
default for all three is no
. These options may be used in
any combination to control you you want your markup to look. The best
thing is to experiment a bit to see what you like. Be aware that
indent yes
is deprecated for production use as it will
cause visual changes in most browsers.
To get Tidy Classic --indent auto
layout, use the following options:
indent: auto indent-attributes: no vertical-space: yes
You can read about more Pretty Print options here.
The current Source Forge builds are recommended. You can find these at http://tidy.sourceforge.net. People continue to report examples where Tidy does not catch some ill-formed HTML or, worse, generates ill-formed HTML. These cases have been significantly reduced. That said, be sure to test Tidy with some representative files from your environment.
For development work, use CVS directly on your development system. For information on how to pull Tidy sources from CVS. This way you can keep abreast of changes to Tidy and quickly resolve conflicts.
For building a front end (e.g. GUI or language binding), the simplest approach is to use TidyLib. For more information about building and coding with TidyLib, see the Introduction To TidyLib.
 If you are a Tidy user, you might want to compare a new version of Tidy to the version you are currently running. This is a good idea if you are using Tidy in production applications such as web publishing. If you are a Tidy developer, it is a good idea to run the regression test suite to make sure your fix or enhancement doesn't add new bugs.
Detecting new bugs is easier said than done, because sometimes they are subtle and can only be seen in browsers (or one particular browser you don't even have). But you can catch most crashes and many layout problems by running the test suite as described here.
The basic process is simple: run the test suite before
and after making changes to TidyLib and compare the output
markup and messages. Be aware that the test scripts for WinNT/2K/XP
(alltest.cmd) and Linux/Unix (testall.sh) place the output files in
tidy/test/tmp
. If you forget to run the before
test, you can always download a binary from the Project Page. If you
are not a TidyLib developer, you can download the Test Suite
directly. Here are the steps to evaluate the impact of a TidyLib change.
Before making changes:
C:\tidy\test> alltest.cmd C:\tidy\test> ren tmp baseline
After making changes and building Tidy:
C:\tidy\test> alltest.cmd C:\tidy\test> windiff tmp baseline
Before making changes:
~/tidy/test$ ./testall.sh ~/tidy/test$ mv tmp baseline
After making changes and building Tidy:
~/tidy/test$ ./testall.sh ~/tidy/test$ diff -u tmp baseline > diff.txt


AN IDEAL HUSBAND
Reviewed by Harvey Karten, Ph.D. Miramax Films/Icon Productions Director: Oliver Parker Writer: Oliver Parker, based on Oscar Wilde's play Cast: Rupert Everett, Julianne Moore, Jeremy Northam, Cate Blanchett, Minnie Driver, John Wood, Lindsay Duncan, Peter Vaughan, Jeroen Krabbe, Benjamin Pullen, Michael Culkin, Marsha Fitzalan
We shouldn't be at all surprised that "An Ideal Husband," a frothy and witty play with melodramatic undertones written in 1895, could almost take place in our own time. Oh, the clothing is certainly different now. Women nowadays who want to be taken seriously wear somber colors to work, leaving the excessive jewelry and brightly-colored clothes to those not on the fast track, while the raiment was quite the opposite in 1895. And men looking for executive posts now shoulder cell phones and dark grey suits while the upper classes at the turn of the nineteenth century dressed like penguins. But though the apparel ofts proclaims the man, dig beneath the surface and you'll find the same emotions driving us vulnerable human beings: greed, envy, lust, and a desire for power over others. In his play, Oscar Wilde takes pokes at the mores of the haute societe but his thrusts are so muted, so tempered by his gentility and frolicsome repartee, that you sense that Wilde was enamored of England's betters. As for his society's structure, he probably wouldn't have it any other way.
In fact in "An Ideal Husband"--as in Wilde's comic masterwork, "The Importance of Being Earnest"--you'd scarcely know that a commercial class and (horrors) a division of unwashed even existed in England. We meet only lords and ladies even in Oliver Parker's filmed version, which greatly opens the stage play and in fact improves the show. Where a theater director can best succeed by punctuating its sophisticated language with its paradoxes, ironies and all-around wit, director Parker--known for his glowing command at the helm of "Othello"--makes us privy to all the exquisitely decorated rooms in the homes of these aristocrats and the lavish grounds trod by elegant stallions whose grandeur would pass forever with the invention of the automobile.
Where you might expect a satirical work to linger upon the imperfections of the gentry, "An Ideal Husband" turns this convention of the genre on its head. Wilde wants us to realize that we human beings are just that--human and flawed--and that any effort to place us upon pedestals could lead to calamity. Incorporating most of the bon mots of the four-act play, Parker--who penned the screenplay as well- - pares away one major incident involving the theft of a brooch. He adds some depth, however, to the youngest character of the story, focusing on a husband who is ultimately ideal only because both he and his wife can forgive and come to terms with an indiscretion.
The action is launched when the beautiful but icy Mrs. Laura Cheveley (Julianne Moore), once engaged to the idler- playboy Lord Arthur Goring (Rupert Everett), approaches Sir Robert Chilton (Jeremy Northam) at a fashionable London party of politicians and diplomats. She wants Chilton, an influential member of parliament, to give a speech in support of an Argentine canal in which she has a financial interest. Though Chilton knows the canal to be a swindle, he is brought up sharply by Mrs. Cheveley's threat: if he refuses to back the canal, Cheveley will take an incriminating letter to the press which will prove that Chiltern got his wealth through an illegal stock scheme some years earlier. When Lord Goring advises Sir Robert to confess his lapse of judgment to his wife, Lady Gertrude Chiltern (Cate Blanchett), Chiltern refuses lest his wife--who has kept Chiltern on a pedestal--leave him. In a later complication with elements of farce, Lady Chiltern is herself compromised by a suggestive letter she has written to Lord Goring.
Much of the fun of this successful movie adaptation comes from the character of Lord Goring, who at the age of 36 remains a womanizer fearful of committing himself to marriage. In that role Rupert Everett--perfect as a gay man, George, in P.J. Hogan's "My Best Friend's Wedding" but miscast as Oberon in the recent "A MidsummerNight's Dream"-- comes back into his own. He is splendid as a sometimes befuddled but usually astute man-about-town pressured to get married by his bemused father (John Wood) and by Chiltern's young sister, Mabel (Minnie Driver). Driver and Everett function in a subplot as comic mimics to the more weighty relationship between Northam and Blanchett, while the fifth person in this quincunx of quidnuncs, Mrs. Cheveley, plays the others off against one another while scarcely revealing her own emotional vulnerabilities.
The dialogue is anything but flat, virtually every line both driving the plot forward and functioning as a key to the playwright's sense of irony. Like people today, the horsey set in fin de siecle England often communicated cautiously, indirectly, and even falsely, as when Cheveley treacherously assures Goring, "I hate to stand between a man and his past." When in a flashback Baron Arnheim (Jeroen Krabbe) counsels his then-secretary Chiltern that "information can make you powerful," you'll think immediately of mischievous stockbrokers today like Michael Milken, who served a term in jail for feloniously using inside information to make millions
You come away from this movie with a more forgiving attitude toward your fellow human beings, at least until you are hurt by tomorrow's treacheries. Only extremist groups will be disgusted by Wildean notions of grace and mercy. After all, perhaps Cheveley is not so far off the mark in pronouncing morality as nothing more than "what we adopt toward people we dislike." "An Ideal Husband" has an ideal balance of wit, farce, and melodrama, crisply edited to keep the action flowing cinematically from manor to estate, from parliament to the lavish grounds traversed by London society.
Rated PG-13. Running Time: 96 minutes. (C) 1999 Harvey Karten
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


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November 13th & 14th, 2020 in Dallas, Texas
Come and experience a diverse cast, amazing vendors and events, as well as carefully curated classes to help you bring your darkest dreams to life.
As a sound and an aesthetic, goth was always on the fringe. Its earliest recognizable form was during the early days of glam rock - the baroque fantasy fetishizing Victorian garb morphing into sci-fi delight and sequins. Queer icons like Marc Bolan and David Bowie would shape that early image of goth-glam, these influences are still felt in modern iterations. Goth would be reborn in the era of post-punk by icons like The Cure, Siouxsie and the Banshees, Bauhaus, Depeche Mode, Joy Division and countless other groups.
Nocturnal Burlesque Festival will focus on honoring those roots, as well as celebrating how each of our performers carry these sounds and visions into the future. Our mission as a festival is to uplift the voices of queer performers and performers of color - to create a space where all are safe and united in celebrating the art and music we all love.
Greetings, fellow creatures of the night -
With heavy hearts and gravestones, we announce the postponement of the first Annual Nocturnal Tease Burlesque and Variety Festival to -
November 13 - PANOPTIKON
November 14 - VIVA’S LOUNGE
due to Dallas County regulations on events surrounding the COVID-19 pandemic. Please keep watch on this page, as we will post new developments, upcoming things to look for, and of course, the spookiest memes we find! We look forward to bringing this festival, as we have had an INCREDIBLE amount of interest in it. But for now, please stay healthy, stay safe, and we will be in contact soon.
Sincerely,
The Production Team of Nocturnal Tease
Vivienne Vermuth
Chordella Smash
The Tasselled Squirrel
Lulu Spectre
As a performer, you will have the opportunity to showcase your talents at one of two incredible venues here in Dallas.
We will offer a stipend for our performers, full access to our schedule of classes on Saturday, as well as a walking ghost tour of Deep Ellum (a historic art neighborhood south of downtown Dallas) after a celebratory brunch (location TBD).
In addition to these perks, you will receive professional photos of your performances by Mark Kaplan, and video of your performances by Ben Britt.
We need your help to make sure we put on the best show possible!
Volunteers will get comped tickets to all festival events - both showcases, classes, and our Ghost Babe brunch and Haunted Tour of Deep Ellum.
Join us on Facebook, follow us on Instagram and Twitter, or feel free to drop us an email!
Learn more about the people that make the Nocturnal Burlesque Festival a reality!
Producer
Pronouns - She/Her
Vivienne is the executive Producer of the monthly Vixen Lounge Burlesque, the weekly Tuesday Tease at Sue Ellens, and the yearly Nearly Naked Nutcracker! As a solo artist, she has won Best Burlesque in Denton 2018, Denton Arts Magazine, Best Costume 2018 Oklahoma City Burlesque Fest, Pineapple Sparkle Award (to represent community, graciousness and warmth towards others) at 2018 Texas Queerlesque Festival. Vivienne is a lifetime member of the Robert Smith fan club, and is incredibly excited about bringing this fest to life.
Co-Producer and The Red Right Hand
Chordella Smash is a 6 year veteran of DFW Queerlesque. As a producer- Chordella’s core belief is that art should be accessible, inclusive, and representative as hell.
Co-Producer and Mischief Manager
A long time lover of the occult, gothic, and spooky aesthetic, Tasseled Squirrel has been in burlesque almost 10 years. Staring with her 1st production in Los Angeles, Dead Girl Burlesque, she has produced and performed in a variety of capacities over her career. She is honored to be helping produce the inaugural Nocturnal Tease Festival.


Mute/Unmute
Flap God 2
New Game
Rules
Scores
Purchases
Initials:
Difficulty:
Let's Go!
Score:
Turn:
Return to main menu


Outline JavaScript
Configuration
The 'Outline JavaScript' filter is enabled by specifying:
- Apache:
ModPagespeedEnableFilters outline_javascript
- Nginx:
pagespeed EnableFilters outline_javascript;
in the configuration file.
Description
This filter is an experimental filter which takes inline JavaScript and puts it in an external resource.
Operation
The 'Outline JavaScript' filter outlines all JavaScript that is larger than a minimum threshold in bytes. The threshold can be set by adding/changing the line:
- Apache:
ModPagespeedJsOutlineMinBytes 3000
- Nginx:
pagespeed JsOutlineMinBytes 3000;
in the configuration file.
For example, if the HTML document looks like this:
<html> <head> <script type="text/javascript"> ... </script> </head> <body> <div> Hello, world! </div> </body> </html>
Then PageSpeed will rewrite it into:
<html> <head> <script type="text/javascript" src="_.pagespeed.jo.tXBSxcB8mn.js"></script> </head> <body> <div class="blue yellow big bold"> Hello, world! </div> </body> </html>
And the new JavaScript file (_.pagespeed.jo.tXBSxcB8mn.js
) will be:
...
Example
You can see the filter in action at www.modpagespeed.com
on this
example.
Pros and Cons
This could be advantageous if:
- The JavaScript does not change much but the HTML does, then we can cache the JavaScript.
- when many web pages share the same inlined JavaScript, it will be outlined to a consistent name and thus will be cached more.
- The inline JavaScript is very long, in which case, outlining it will cause it to be loaded in parallel with the HTML doc.
However, for some websites it will be dis-advantageous because it will:
- create an extra HTTP request and
- tie up one of the connections to this domain, which could have been used to fetch the actually cacheable external resources.
Requirements
Outline filters can currently only run on single-server environments because the resource can only be fetched from a server after that server has rewritten the HTML page. If a different server rewrote the HTML page, then this sever will not have the information needed to create the resource. This could be by a network database shared between servers.
The 'Outline JavaScript' filter may need to "absolutify" relative URLs, if it is outlined to a different directory than the original HTML.
The 'Outline JavaScript' filter will maintain the order of the script blocks, as script order can be significant.
Risks
The 'Outline JavaScript' filter is considered low risk. However, JavaScript
can be written that walks the DOM looking for <script>
tags
with certain syntax. Such JavaScript may behave differently on a page
which has changed <script>
tags in this way.
Additionally, JavaScript can construct requests in arbitrarily complex ways, so the filter may not be able to absolutify all relative URL references, which could cause incorrect sub-resource requests.


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high
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The control log for SEP can be found at the following location: C:\ProgramData\Symantec\Symantec Endpoint Protection\CurrentVersion\Data\Logs\processlog.log
| Field | Type | Size | Description |
|---|---|---|---|
| Log Type | int | 4 | Always 00000004 |
| Max Log Size | int | 4 | Maximum log file size in bytes |
| Unknown | int | 4 | ? |
| Number of Entries | int | 4 | Number of entries in log |
| Unknown | int | 4 | ? |
| Running Total Entries | bigint | 8 | Total number of events generated |
| Max Log Days | int | 4 | Maximun days to save log entries |
The log is in TSV format, meaning, each field is separated by a tab character.
| Field | Type | Size | Description |
|---|---|---|---|
| Entry Length | int | 4 | Length of log entry |
| Date and Time | bigint | 8 | The time of the generated event (GMT). |
| Unknown | ? | ? | Will require further investigation as to the purpose of this log entry. |
| Severity | int | 4 | The seriousness of the event 0 is most serious. |
| Action | int | 4 | The action that was taken: 0 = allow 1 = block 2 = ask 3 = continue 4 = terminate |
| Test Mode | int | 4 | Was this rule run in test mode? 0 = No, Else = Yes |
| Description | nvarchar | 8000 | The behavior that was blocked. Because of a character limit, actual values may be longer than the values that are displayed in Symantec Endpoint Protection Manager. You can verify the full text on the client that reports this data. |
| API | nvarchar | 512 | The API that was blocked. |
| Unknown | ? | ? | Will require further investigation as to the purpose of this log entry. |
| Begin Time | bigint | 8 | The start time of the security issue. |
| End Time | bigint | 8 | The end time of the security issue. This field is an optional field because the exact end time of traffic may not be detected; for example, as with UDP traffic. If the end time is not detected, it is set to equal the start time. |
| Rule Name | nvarchar | 512 | The name of the rule that was triggered by the event. If the rule name is not specified in the security rule, then this field is empty. Having the rule name can be useful for troubleshooting. |
| Caller Process ID | bigint | 8 | The ID of the process that triggers the logging. |
| Caller Process | nvarchar | 512 | The full path name of the application involved. It may be empty if the application is unknown, or if OS itself is involved, or if no application is involved. Also, it may be empty if profile says, "don't log application name in raw traffic log". |
| Unknown | ? | ? | Will require further investigation as to the purpose of this log entry. |
| Unknown | ? | ? | Will require further investigation as to the purpose of this log entry. |
| Target | ? | ? | Name of file |
| Location | nvarchar | 512 | The location used when the event occured. |
| User | nvarchar | 512 | The logon user name. |
| User Domain | nvarchar | 512 | The logon (Windows) domain name. |
| IPV4 Address | varchar | 160 | The IP address of the computer associated with the application control violation. |
| Device Instance ID | varchar | 256 | The GUID of an external device (floppy disk, DVD, USB device, etc.). |
| File Size | bigint | 8 | The size of the file associated with the application control violation, in bytes. |
| Unknown | ? | ? | Will require further investigation as to the purpose of this log entry. |
| IPV6 Address | varchar | 32 | The IP address of the computer associated with the application control violation. (IPV6) |


{% extends 'book/base.html'%} {%block body%} {% load static %}
Welcome to Biblio!!
Enjoy book sharing with Biblio!!You can borrow any books in the library, add your own books and lend them to other users.
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Document ${TITLE} is now available, created on ${CREATION_DATE}
by ${AUTHOR}.
Located at ${LOCATION}, version is ${VERSION}, state is ${STATE}.
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--- layout: post title: Llama preview 0.1.2 date: 2020-10-08 12:00:00 keywords: llvm dotnet llama teaser: A dotnet tool for compiling an LLVM bitcode file into a dotnet assembly ---
So you may have seen in previous blog entries that I've been working on tools to compile LLVM bitcode into a .NET assembly. A lot of this effort has been focused on Rust, but the approach can be used for other languages as well. I've started referring to this overall project as "Llama".
Today I published the core functionality of Llama as a dotnet tool on nuget.org. This tool is called "bc2cil", and its only feature is to compile a bitcode file into a .NET assembly.
dotnet tool install -g sourcegear.llama.bc2cil
In this blog entry I'll walk through a couple of examples to show how this tool is used.
This project is not production ready.
Think of this as just a demo or a proof of concept.
Lots of things are broken or incomplete.
This is not (currently) open source.
I am making no promises about the future of this project.
This preview release is simply for interested folks who want to fiddle around with LLVM bitcode and .NET.
To install the Llama bc2cil tool:
dotnet tool install -g sourcegear.llama.bc2cil
Now if you have an LLVM bitcode file called foo.bc, you can compile it into a .NET assembly like this:
bc2cil foo.bc
This will produce foo.dll, which you can use like any other .NET assembly. With a few caveats.
But where did that foo.bc file come from?
The LLVM system is built around an Intermediate Representation (IR), which is basically a quasi-portable assembly language. The textual form of IR is usually stored in a file with a .ll extension. This form looks like this:
%127 = getelementptr i8, i8* %94, i64 %106 %128 = add i64 %123, %122 %129 = icmp eq i64 %103, %106 br i1 %129, label %143, label %130
In its binary form, an IR file has a .bc extension, and is often referred to as "bitcode". These two representations are equivalent, and can be easily converted to and from each other.
When a developer is using an LLVM-based compiler, most of this stuff is usually hidden. The compiler parses the language and generates IR, then it manipulates the IR, then it translates the IR into machine code for a specific CPU, and the developer never actually sees the IR.
But there is [usually] a way to tell the compiler to stop the pipeline early and emit bitcode instead. For example, when using clang, this is done by passing the -emit-llvm option on the command line.
(Llama could have been implemented in C++ as an LLVM target and backend. In fact, there is archeological evidence that LLVM once had a backend for CIL, but it was abandoned and removed a long time ago. Instead, my implementation is a separate tool that reads a bitcode file.)
Let's take a look at the following C program:
int puts(const char*); int main() { puts("Hello World"); }
Note that I've intentionally added my own C prototype delaration for puts()
instead of #include <stdio.h>
because I don't want the system header files bringing in any surprises. For this trivial example, I just want the code to depend on one externally defined function called puts()
, nothing more.
Let's compile this hello program into a bitcode file:
clang -emit-llvm -c hello.c
This will give me the hello.bc I wanted, but I also want to see it in text form, so I use the LLVM disassembler:
llvm-dis hello.bc
Now I get hello.ll, which contains a bit too much noise to be suitable for a blog post. Instead of showing you the whole thing, here's the essence of it:
@"??_C@_0M@KPLPPDAC@Hello?5World?$AA@" = constant [12 x i8] c"Hello World\00" define dso_local i32 @main() #0 { %1 = call i32 @puts(i8* @"??_C@_0M@KPLPPDAC@Hello?5World?$AA@") ret i32 0 } declare dso_local i32 @puts(i8*) #1
There are 3 global symbols here:
main()
is defined as a function which simply calls puts()
and returns 0puts()
is declared, meaning that its implementation is not here, so it needs to be provided by somebody elseSo let's compile that bitcode file with Llama:
$ bc2cil hello.bc import method not found: puts Call Missing method b: puts
Unsurprisingly, we're getting complaints about the missing puts()
function.
Typically, when a compiler toolchain finds an unresolved symbol, the build process is halted with a fatal error. Currently Llama behaves differently, replacing the method call with an exception throw. When Llama is ready for production use, it won't do that, but for now, I often find it handy to have it work this way.
So despite the missing symbol, I do get an assembly. Let's see what it's in it, using ildasm to output the DLL to CIL in textual form:
dotnet ildasm hello.dll > hello.cil
Just as with the .ll file, the textual form of CIL is a bit much for a blog post, so again I'll just show the essence:
.method public static default int32 main() cil managed { // Method begins at Relative Virtual Address (RVA) 0x2050 // Code size 17 (0x11) .maxstack 8 IL_0000: ldstr "Call Missing method b: puts" IL_0005: newobj instance void class [System.Private.CoreLib]System.Exception::.ctor(string) IL_000a: throw IL_000b: ldc.i4 0 IL_0010: ret } // End of method System.Int32 foo::main()
Yup, that's what I expected. The puts()
function wasn't available, so that function call has been replaced with an exception.
And then my code generator blithely goes on to return 0 even though that's unreachable after the throw.
The point here is to illustrate that compiling bitcode to CIL is just one piece of the story. Most code has lots of external dependencies. For Llama to be useful, we need those external dependencies to be provided somehow, and that can be a big problem.
But for this situation, I'm only missing one thing. We can push through this.
All we need for this case is puts()
. It accepts a string and prints it on stdout. How hard could that be?
The only slightly complicated thing here is that C and .NET have differing notions of what a string is. Our C code will provide a pointer to a zero-terminated "C string" of unspecified encoding, whereas .NET strings are managed objects encoded as UTF-16.
But we can deal with that. Let's implement puts()
using C#.
Create a class library project:
mkdir libc cd libc dotnet new classlib
And here's what Class1.cs needs:
public static class pathetic { static unsafe int strlen(byte* p) { var n = 0; while (*p != 0) { n++; p++; } return n; } public static unsafe int puts(byte* s) { var str = System.Text.Encoding.UTF8.GetString(s, strlen(s)); System.Console.WriteLine(str); return 0; } }
Mostly we just need to convert the C string to a .NET string and call Console.WriteLine()
. For the purpose of converting to a .NET string, I'm assuming the C string to be UTF8.
And then there's the fact that C deals with pointers, so this code needs to be compiled with unsafe
turned on. Here's my libc.csproj file:
<Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <TargetFramework>netcoreapp3.1</TargetFramework> <AllowUnsafeBlocks>True</AllowUnsafeBlocks> </PropertyGroup> </Project>
So how do we make our pathetic libc available for hello to use it?
Llama's bc2cil tool has a command line option to provide assemblies to be referenced. The argument value for the --ref option is (1) the path to the assembly, and (2) the name of the class in which to search, separated by a comma. So I copied libc.dll into my work directory and did this:
bc2cil --ref=libc.dll,pathetic hello.bc
Now we aren't getting those missing function errors that we saw before. When Llama encounters that reference to puts()
, it looks in libc.dll, in the class called pathetic
, and finds it there. And the resulting CIL (from ildasm again) looks better:
.method public static default int32 main() cil managed { // Method begins at Relative Virtual Address (RVA) 0x2050 // Code size 20 (0x14) .maxstack 1 IL_0000: ldsfld [mscorlib]System.IntPtr foo::??_C@_0M@KPLPPDAC@Hello?5World?$AA@ IL_0005: call int32 class [libc]pathetic::puts(pointer) IL_000a: stloc class V_0 IL_000e: ldc.i4 0 IL_0013: ret } // End of method System.Int32 foo::main()
Again, you may notice that my code generator isn't going to win any awards. It stores the integer result of the puts() call in a local that never gets used.
How do we run this? We're using .NET Core, so we need a hello.runtimeconfig.json file:
{ "runtimeOptions": { "tfm": "netcoreapp3.1", "framework": { "name": "Microsoft.NETCore.App", "version": "3.1.8" } } }
Now we can try:
$ dotnet hello.dll Unhandled exception. System.MissingMethodException: Entry point not found in assembly 'hello...
Ooops. We never told .NET about an entry point. Llama.bc2cil has another option for that, called --exe. When this option is true, it looks for a main()
and provides startup code to call it.
bc2cil --ref=libc.dll,pathetic --exe=true hello.bc
Finally:
$ dotnet hello.dll Hello World
WELL then. That was a lot of work just for Hello World.
Let's walk through one more example.
Swift's compiler is based on LLVM (which is unsurprising, as Swift and LLVM were developed by the same folks). Can we do .NET development with Swift?
Warning: I have VERY little actual experience with Swift, so let's not be surprised if I do or say something stupid here.
The first thing is to figure out if the Swift compiler can give me a .bc file. Looks like the swiftc option I need is -emit-bc.
(Some experimentation and digging suggests that I want the -parse-as-library option as well. Without this flag, swiftc seems to assume the source file is a script, putting its contents into an implicit main()
.)
Now I need a bit of Swift code to compile. But I don't want to be ambitious at all. People tend to think of "Hello World" as simple, but writing text to stdout can require all kinds of stuff in terms of library dependencies. For this first test, I just want a snippet of code that has no dependencies at all, if that's possible. Like maybe just a function that multiplies two integers.
func mul(_ a : Int, b : Int) -> Int { return a * b; }
That might work. My goal is to to compile this to a .NET assembly and then call it from C#. First the bitcode file:
swiftc -parse-as-library -emit-bc mul.swift
That gives me mul.bc, so this looks promising so far. But let's run llvm-dis and look at the textual IR:
define hidden swiftcc i64 @"$s3mulAA_1bS2i_SitF"(i64 %0, i64 %1) #0 { %3 = alloca i64, align 8 %4 = bitcast i64* %3 to i8* call void @llvm.memset.p0i8.i64(i8* align 8 %4, i8 0, i64 8, i1 false) %5 = alloca i64, align 8 %6 = bitcast i64* %5 to i8* call void @llvm.memset.p0i8.i64(i8* align 8 %6, i8 0, i64 8, i1 false) store i64 %0, i64* %3, align 8 store i64 %1, i64* %5, align 8 %7 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 %0, i64 %1) %8 = extractvalue { i64, i1 } %7, 0 %9 = extractvalue { i64, i1 } %7, 1 %10 = call i1 @llvm.expect.i1(i1 %9, i1 false) br i1 %10, label %12, label %11 11: ; preds = %2 ret i64 %8 12: ; preds = %2 call void @llvm.trap() unreachable }
WHOA -- that's a lot of code. I was expecting something much shorter. What I had in mind was something more like this:
define hidden swiftcc i64 @mul(i64 %0, i64 %1) #0 { %2 = mul i64 %0, %1 ret i64 %2 }
Looking more closely at what Swift gave me, a lot of what is happening is overflow checking on the integer multiplication (llvm.smul.with.overflow.i64
). Llama does have some support for those features, so we can keep going.
But the other problem is the name of the function. The Swift compiler mangled it to $s3mulAA_1bS2i_SitF
. That's not a valid C# identifer. How am I supposed to call that? There's gotta be a way to tell Swift not to mangle that name.
After a bit of digging, I found the @_cdecl
attribute. People describe it as rather unofficial, but for now I'll take it. So now mul.swift looks like this.
@_cdecl("mul") func mul(_ a : Int, b : Int) -> Int { return * b; }
I re-run the Swift compiler and then try Llama on the resulting .bc file:
$ swiftc -parse-as-library -emit-bc mul.swift $ bc2cil mul.bc
This does produce a mul.dll assembly. Now I need a little C# console app to call Swift mul()
.
mkdir main cd main dotnet new console
One thing I haven't explained yet is that when Llama compiles a bitcode file, it outputs each function as a static method, putting all of them in a static class. The name of that class is configurable, but its default name is foo
, for no particular reason. So from the perspective of C#, the Swift mul()
function is named foo.mul()
:
using System; namespace main { class Program { static void Main(string[] args) { var x = foo.mul(7, 6); Console.WriteLine($"Hello {x}!"); } } }
And of course I need to reference the mul.dll assembly by adding the following to main.csproj:
<ItemGroup> <Reference Include="..\mul.dll" /> </ItemGroup>
So hopefully now I can run this and get Swift to multiply 7 times 6:
$ dotnet run Hello 42!
Yay!
If you want to see something truly dreadful, run ildasm/ilspy/dnspy on hello.dll and look in the cctor() at how that string literal is initialized. (Sooner or later I'll write the code to do that properly.)
Comments or questions? Find me on Twitter at @eric_sink.


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Preparation time
overnight
Cooking time
10 to 30 mins
Serves
Serves 4–6
For Koreans, galbi is the ultimate grilled beef dish. Serve it with salad leaves, rice, kimchi and pickled onions, using the leaves to make small parcels containing a little of everything.
In Korea, two different cuts of short ribs are used for this dish, but the easiest cut to find outside Korea is the LA galbi cut, where a rack is cut in very thin slices across the bone. You can buy it ready-cut in the freezer section of Korean stores or ask your local butchers for the LA cut.
Put the ribs in a deep baking tray. Fill with enough water to submerge them, cover, then soak for 30–45 minutes, changing the water once or twice. Drain.
Meanwhile, put all the remaining ingredients in a food processor and blend until smooth. Put the soaked ribs and marinade in a baking tray or wide, flat bowl. Using your hands, massage the sauce into the meat. Cover and refrigerate overnight.
If cooking on the hob, put a heavy grill pan over a medium-high heat. When hot, add the ribs to the pan in batches and cook for 6 minutes on each side.
If barbecuing, place the grill 12–15cm/5–6in above the flame. Cook the ribs for 6 minutes on each side, turning every now and again to cook them evenly, until they are caramel-brown and slightly charred in places.
Once cooked, use a pair of scissors to cut off the strip of bones and discard, then snip the meat into bite-size pieces. Serve immediately.


|
My Project
|
A command_buffer is a collection of render commands married by a sort_key.  Command buffers are owned by a command_list.
|
explicit |
Create a new command_buffer object.
| id | The sort key that we should use for this command_buffer. |
|
default |
|
default |
|
delete |
|
noexcept |
| void moka::command_buffer::accept | ( | graphics_visitor & | device | ) |
Accept a graphics_visitor object and pass every command to it.
| device | The graphics_visitor object. |
| clear_command& moka::command_buffer::clear | ( | ) |
Create and return a clear_command object.
| draw_command& moka::command_buffer::draw | ( | ) |
Create and return a draw_command object.
| fill_index_buffer_command& moka::command_buffer::fill_index_buffer | ( | ) |
Create and return a fill_index_buffer_command object.
| fill_vertex_buffer_command& moka::command_buffer::fill_vertex_buffer | ( | ) |
Create and return a fill_vertex_buffer_command object.
| frame_buffer_command& moka::command_buffer::frame_buffer | ( | ) |
Create and return a frame_buffer_command object.
| frame_buffer_texture_command& moka::command_buffer::frame_buffer_texture | ( | ) |
Create and return a frame_buffer_texture_command object.
| generate_mipmaps_command& moka::command_buffer::generate_mipmaps | ( | ) |
Create and return a generate_mipmaps_command object.
| const sort_key& moka::command_buffer::get_key | ( | ) | const |
Get the sort key of this command_buffer.
|
noexcept |
|
delete |
| scissor_command& moka::command_buffer::scissor | ( | ) |
Create and return a scissor_command object.
| set_material_parameters_command& moka::command_buffer::set_material_parameters | ( | ) |
Create and return a set_material_parameters_command object.
| viewport_command& moka::command_buffer::viewport | ( | ) |
Create and return a viewport_command object.


Can you answer these queries?
问题描述 :
A lot of battleships of evil are arranged in a line before the battle. Our commander decides to use our secret weapon to eliminate the battleships. Each of the battleships can be marked a value of endurance. For every attack of our secret weapon, it could decrease the endurance of a consecutive part of battleships by make their endurance to the square root of it original value of endurance. During the series of attack of our secret weapon, the commander wants to evaluate the effect of the weapon, so he asks you for help.
You are asked to answer the queries that the sum of the endurance of a consecutive part of the battleship line.
You are asked to answer the queries that the sum of the endurance of a consecutive part of the battleship line.
Notice that the square root operation should be rounded down to integer.
输入:
The input contains several test cases, terminated by EOF.
For each test case, the first line contains a single integer N, denoting there are N battleships of evil in a line. (1 <= N <= 100000)
The second line contains N integers Ei, indicating the endurance value of each battleship from the beginning of the line to the end. You can assume that the sum of all endurance value is less than 263.
The next line contains an integer M, denoting the number of actions and queries. (1 <= M <= 100000)
For the following M lines, each line contains three integers T, X and Y. The T=0 denoting the action of the secret weapon, which will decrease the endurance value of the battleships between the X-th and Y-th battleship, inclusive. The T=1 denoting the query of the commander which ask for the sum of the endurance value of the battleship between X-th and Y-th, inclusive.
For each test case, the first line contains a single integer N, denoting there are N battleships of evil in a line. (1 <= N <= 100000)
The second line contains N integers Ei, indicating the endurance value of each battleship from the beginning of the line to the end. You can assume that the sum of all endurance value is less than 263.
The next line contains an integer M, denoting the number of actions and queries. (1 <= M <= 100000)
For the following M lines, each line contains three integers T, X and Y. The T=0 denoting the action of the secret weapon, which will decrease the endurance value of the battleships between the X-th and Y-th battleship, inclusive. The T=1 denoting the query of the commander which ask for the sum of the endurance value of the battleship between X-th and Y-th, inclusive.
输出:
The input contains several test cases, terminated by EOF.
For each test case, the first line contains a single integer N, denoting there are N battleships of evil in a line. (1 <= N <= 100000)
The second line contains N integers Ei, indicating the endurance value of each battleship from the beginning of the line to the end. You can assume that the sum of all endurance value is less than 263.
The next line contains an integer M, denoting the number of actions and queries. (1 <= M <= 100000)
For the following M lines, each line contains three integers T, X and Y. The T=0 denoting the action of the secret weapon, which will decrease the endurance value of the battleships between the X-th and Y-th battleship, inclusive. The T=1 denoting the query of the commander which ask for the sum of the endurance value of the battleship between X-th and Y-th, inclusive.
For each test case, the first line contains a single integer N, denoting there are N battleships of evil in a line. (1 <= N <= 100000)
The second line contains N integers Ei, indicating the endurance value of each battleship from the beginning of the line to the end. You can assume that the sum of all endurance value is less than 263.
The next line contains an integer M, denoting the number of actions and queries. (1 <= M <= 100000)
For the following M lines, each line contains three integers T, X and Y. The T=0 denoting the action of the secret weapon, which will decrease the endurance value of the battleships between the X-th and Y-th battleship, inclusive. The T=1 denoting the query of the commander which ask for the sum of the endurance value of the battleship between X-th and Y-th, inclusive.
样例输入:
10 1 2 3 4 5 6 7 8 9 10 5 0 1 10 1 1 10 1 1 5 0 5 8 1 4 8
样例输出:
Case #1: 19 7 6
刚开始的时候第一反应这道题是成段的更新，不能一个数一个数的更新，那样肯定会超时的！
但是再想了一会儿之后，发现成段更新比较困难，主要是这道题的每个节点的更新并不是统一的（也就是说并不是都加K，或者都减K之类的）；
所以我们并不能像一般的成段更新那样去更新。
再仔细观察后，其实我们可以很容易的发现，一个数k（k<=2^63-1）在经过最多6，7次的开平方根后，必然会变成1，而且当1的平方根也是1；
也就是说当一个数为1的时候，我们没有必要对它进行操作和更新；而且一个很大的数仅仅经过6，7次就可以变成1；
所以到这里我们因该就可以形成一个解题的大体思路了：
每当我们要进行更新操作的时候，我们先判断一下这个区间是否有必要进行更新（若全都是1就没有更新的必要了）；
判断的方法很简单：就是看该区间的长度和该区间内的总值是否相等；
当我们确认有必要进行更新的时候，我们就要多整个区间进行更新，当然在进行更新的时候，要不断的保存T[root].sum值；
接下来的就是很水很水的区间求和了！！
#include <queue> #include <stack> #include <cmath> #include <cstdio> #include <stdlib.h> #include <iostream> #include <limits.h> #include <string> #include <cstring> #include <algorithm> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <math.h> #include <algorithm> #define LL __int64 using namespace std; const int N=100010; struct Node { int L,R; LL len; LL sum; } t[N*4]; LL data[N]; int n,q; void up(int fa){ t[fa].sum=t[fa<<1].sum+t[fa<<1|1].sum; } void down(int l,int r,int fa) { if(t[fa].L==t[fa].R) { t[fa].sum=(LL)(sqrt(t[fa].sum)); return; } int ls=fa<<1; int rs=fa<<1|1; int mid=(t[fa].L+t[fa].R)/2; down(l,mid,ls); down(mid+1,r,rs); up(fa); } void built(int l,int r,int fa) { t[fa].L=l; t[fa].R=r; t[fa].len=r-l+1; t[fa].sum=0LL; if(l==r) { t[fa].sum=data[l]; return; } int mid=(l+r)/2; built(l,mid,fa<<1); built(mid+1,r,fa<<1|1); up(fa); } void update(int l,int r,int fa) { int ls=fa<<1; int rs=fa<<1|1; int mid=(t[fa].L+t[fa].R)/2; if(t[fa].L==l&&t[fa].R==r) { if(t[fa].sum==t[fa].len) return ; down(l,r,fa); return ; } if(r<=mid) update(l,r,ls); else if(l>mid) update(l,r,rs); else { update(l,mid,ls); update(mid+1,r,rs); } up(fa); } LL query(int l,int r,int fa) { int ls=fa<<1; int rs=fa<<1|1; int mid=(t[fa].L+t[fa].R)/2; if(t[fa].L>=l&&t[fa].R<=r) return t[fa].sum; if(r<=mid) return query(l,r,ls); else if(l>mid) return query(l,r,rs); else return query(l,mid,ls)+query(mid+1,r,rs); } int main() { int t=1; while(scanf("%d",&n)!=EOF) { for(int i=1; i<=n; i++) scanf("%I64d",&data[i]); built(1,n,1); int a,b,c; printf("Case #%d:\n",t++); cin>>q; while(q--) { scanf("%d%d%d",&a,&b,&c); if(b>c)swap(b,c); if(a) cout<<query(b,c,1)<<endl; else update(b,c,1); } cout<<endl; } return 0; }
版权声明：本文为博主原创文章，未经博主允许不得转载。
参考：http://blog.csdn.net/weiguang_123/article/details/8096210
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这个我坐过，虽然是两座的山寨小型机，但确实刺激。武汉张公山寨橘子洲就有
妈哒，被你骗了
妈哒，被你骗了
妈哒，被你骗了
妈哒，被你骗了
妈哒，被你骗了
妈哒，被你骗了
妈哒，被你骗了
妈哒，被你骗了
递归还真是一门学问，学习了
C语言版本的代码好像有点问题
刚开始学习，为啥会报错了
很好的模板
很有意思，可惜我很菜啊
惊艳了，没想到代码如此简洁
看见的晚了，只能提交一次唉
可以用公式。主要为了说明动态规划，如果要打表的话，这种方法也是较简单和高效的
第15行代码，/n/n，应该改为\n\n
97行缺一个分号
站长好。我是一个准备创业的互联网小白,我们打算做一个有关国*际*游*学的平台。手上也有了一些境外资源。现阶段的团队现在没有cto.原意出让一些管理股寻找一个靠谱的技术专家做合伙人, 不知道是不是能得到您的帮助。发个帖子或者其他方式。期待您的回应。可以加我微信tianxielemon聊聊。
对，就是把这32位当成一个长度为32的数组


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Constructor
-
new Promise()
-
jQuery promise, created from jQuery.Deferred object. See jQuery docs for more detailed information.
Promised are used to resolve server responses to requests performed by AvayaClientServices.Note that since all Promise methods return themselves, the methods can be easily chained.
Examples
var successCallback = function(){ console.log("Meeting list was fetched successfully"); }; var failCallback = function(){ console.log("Error"); }; service.getMeetingListByStatus(status).then(successCallback, failCallback); // do something else... // when the Promise is resolved, console will print "Meeting list was fetched successfully"
service.getMeetingListByStatus(status).done(doOneThing).done(doOther).done(doAnother).fail(onError);
Methods
-
always(alwaysCallback) → {AvayaRecordingClient.Base.Responses.Promise}
-
Add handlers to be called when the Deferred object is either resolved or rejected.
Parameters:
Name Type Description alwaysCallback
function A function, or array of functions, that is called when the Deferred is resolved or rejected.
Returns:
-
done(doneCallback) → {AvayaRecordingClient.Base.Responses.Promise}
-
Add handlers to be called when the Deferred object is resolved.
Example
service.getMeetingListByStatus(status).done(function(data){ //invoked on success //e.g. refresh the UI });
Parameters:
Name Type Description doneCallback
function A function, or array of functions, that are called when the Deferred is resolved.
Returns:
-
fail(failCallback) → {AvayaRecordingClient.Base.Responses.Promise}
-
Add handlers to be called when the Deferred object is rejected.
Example
service.getMeetingListByStatus(status).fail(function(error){ //invoked on failure //e.g. show error in UI });
Parameters:
Name Type Description failCallback
function A function, or array of functions, that are called when the Deferred is rejected.
Returns:
-
progress(progressCallback) → {AvayaRecordingClient.Base.Responses.Promise}
-
Add handlers to be called when the Deferred object generates progress notifications. Please note that not every Promise
creates progress notifications.Example
service.getMeetingListByStatus(status).progress(function(progressObject){ //invoked on progress //e.g. refresh progress bar });
Parameters:
Name Type Description progressCallback
function A function, or array of functions, to be called when the Deferred generates progress notifications.
Returns:
-
state() → {String}
-
Determine the current state of a Deferred object.
Returns:
{ String }
-
then(doneCallback, failCallback, progressCallback) → {AvayaRecordingClient.Base.Responses.Promise}
-
Add handlers to be called for the Deferred object. Combines functionality of .done(), .fail() and .progress().
Example
service.getMeetingListByStatus(status).then(function(data){ //invoked on success //e.g. refresh the UI }, function(error){ //invoked on failure //e.g. show error in UI }, function(progressObject){ //invoked on progress //e.g. refresh progress bar });
Parameters:
Name Type Argument Description doneCallback
function A function that is called when the Deferred is resolved.
failCallback
function <optional>
A function that is called when the Deferred is rejected.
progressCallback
function <optional>
A function that is called when the Deferred generates progress notifications.
Returns:


Table of Contents
Comments can take one of two styles. For single-line comments, you can use:
// Single line comment.
For multi-line comments, you can use:
/* multiple line comment */
Decimal integers are simple:
123456789
Hexadecimal integers are prefixed with 0x:
0x7ffc
Octal integers are prefixed with 0o:
0o1234567
Binary integers are prefixed with 0b:
0b11010100
You can also prefix decimal numbers with 0d, if you want to be pedantic:
0d123456789
Floating point numbers are given like:
3.14 0.1 3. 1e9 6.022e23 1.6e-35
DataBase References (dbrefs) are given like:
#12345 #-1
All numbers, of any base, can have _ placeholder characters, to make the numbers more human readable, like thousands separators:
123_456_789 0xBAD_BEEF 0b1101_0100 0o12_345_678 16_237.21 #12_345
String literals are given with single or double-quotes:
"Hello!" 'Hiya!'
If you use triples of quotes for string delimiters, you can more easily include single or double character quotes in the string:
"""It's a "test".""" '''It's a "test".'''
Singlequotes and doublequotes inside strings can be escaped by a backslash \:
"This is a \"test\"."
You can insert a newline inside a string with a \r or \n, and an escape char can be added with a \e or \[:
'\e[1mBold\[[0m\rNormal'
To make it easier to give regexp patterns with backslashes, you can give raw strings by preceeding a regular string of any type with a single r. Raw strings are not processed for backslash escaped characters:
r"http://\([a-z0-9._-]+\)" r'http://\([a-z0-9._-]+\)' r"""http://\([a-z0-9._-]+\)""" r'''http://\([a-z0-9._-]+\)'''
List arrays can be declared as comma-separated lists of values, surrounded by square brackets:
["first", "second", "third"] [1, 2, 4, 8]
Dictionaries (sometimes called hash tables, or associative arrays in other languages) are declared like lists, but with key-value pairs, where the key and value in each pair are separated by => delimiters:
[ "key1" => "val1", "key2" => "val2", "key3" => "val3" ]
To declare an empty dictionary, which is distinct from a list, use:
[=>]
You can declare constants using the syntax:
const PI = 3.14159;
By convention, the constant name should be all uppercase.
You can declare global variables at the toplevel scope like:
var myglobal; var answer = 42;
The global variables me, loc, trigger and command are pre-defined for all programs.
You can declare a function like this:
func helloworld() { return "Hello World!"; }
With arguments, you can declare it like this:
func concatenate(var1, var2) { return strcat(var1, var2); }
If you need a variable number of arguments for a function, you can put a * after the last variable, to indicate that the last variable will receive all remaining arguments, in a list:
func concat(args*) { return array_interpret(args); }
If you need to declare a public function, that can be called by name from other MUF programs, you can declare it like this:
public func concat(args*) { return array_interpret(args); }
Functions return the value given to the return command. ie: return 42; will return the integer value 42 from the function. If the end of the function is reached with no return executing, then the function will return the integer 0.
You can call functions you have declared, and many builtin MUF primitives in this way:
myvar = myfunction(5, "John Doe"); notify(me, "Hello World!");
If a MUF primitive would return more than one argument on the stack, the MUV counterpart will return all those values in a list.
You can declare extra variables in function scope like this:
func myfunction() { var myvar; var fifth = "5th"; ... }
Variables can be declared in block scopes within functions, and will be in effect only within those blocks. You can even declare variables of the same name within different scopes:
func myfunction() { var x = "C"; for (var x in ["F", "A", "D"]) { if (x eq "A") { tell(x); var x = "B"; tell(x); } } tell(x); }
will output the following:
A B C
MUV has several built-in commands available to all programs:
| Function | Description |
|---|---|
| abort(msg) | Throws a user exception with the given msg. |
| throw(msg) | The same as abort(msg) |
| tell(msg) | The same as notify(me, msg) |
| count(arr) | Returns the count of how many items are in an array. |
| cat(...) | Converts all args to strings and concatenates them. |
| haskey(key,arr) | Evaluates true if key is in the array arr. |
MUV also has some built-in constants:
| Constant | Description |
|---|---|
| true | 1 (Evaluates as true.) |
| false | 0 (Evaluates as false.) |
If you declare global variables and function within a namespace block, then those variables and functions become part of that namespace:
namespace math { const PI = 3.14159; }
Will define the constant math::PI. To refer to that variable, you will need to either use the math:: prefix, or specify that you want to use that namespace like this:
using namespace math;
Here's more examples:
namespace math { const PI = 3.14159; func rad2deg(x) { return x*180.0/PI; } } func thirdpi() { return math::rad2deg(math::PI/3.0); } using namespace math; func halfpi() { return rad2deg(PI/2.0); }
You can include code from other MUV files by using the include command:
include "otherfile.muv";
You can include standard MUV files by preceeding the filename with a !. This tells include to look for the file in the system-wide MUV includes. One important standard include file is fb6/prims:
include "!fb6/prims";
If you include !fb6/prims in your file, you will get all the standard FB6 MUF primitives declared for MUV to use. These primitives will be declared with exactly the same names as they have in MUF, with the same argument ordering. The only exceptions are:
| MUF Name | MUV Name | Change |
|---|---|---|
| name-ok? | name_ok?() | Dash in name replaced with underscore. |
| pname-ok? | pname_ok?() | Dash in name replaced with underscore. |
| ext-name-ok? | ext_name_ok?() | Dashes in name replaced with underscores. |
| fmtstring | fmtstring() | Argument ordering completely reversed. |
Since MUF has kind of a messy namespace, you can instead include files with just the primitives you need, renamed a bit more sensibly. For example, if you include the file !fb6/obj You can get access to the standard fb6 object related primitives, renamed into the obj:: namespace such that MUF primitives like name and set are renamed to obj::name() and obj::set(), leading to far less namespace polution. The standard namespaced primitives include files are as follows, in alphabetical order.
| Include File | NameSpace | What it declares |
|---|---|---|
| fb6/ansi | ansi:: | ANSI color code string primitives. |
| fb6/array | array:: | Array/list/dictionary primitives. |
| fb6/conn | conn:: | Connection based primitives. |
| fb6/debug | debug:: | Debugging related primitives. |
| fb6/descr | descr:: | Descriptor based connection primitives. |
| fb6/event | event:: | Event handling primitives. |
| fb6/gui | gui:: | MCP-GUI related primitives and defines. |
| fb6/io | io:: | notify and read type primitives. |
| fb6/lock | lock:: | Lock related primitives. |
| fb6/math | math:: | Floating point and integer math prims. |
| fb6/mcp | mcp:: | MCP client-server protocol prims. |
| fb6/obj | obj:: | DB object related primitives. |
| fb6/proc | proc:: | MUF process related primitives. |
| fb6/prog | prog:: | Program calling, editing, and compiling. |
| fb6/prop | prop:: | Prims for working with properties. |
| fb6/regex | regex:: | Regular expression primitives. |
| fb6/stdlib | trig, caller, prog, version. | |
| fb6/str | str:: | String manipulation primitives. |
| fb6/sys | sys:: | System related primitives. |
| fb6/time | time:: | Time based primitives. |
| fb6/type | type:: | Type checking and conversion primitives. |
NOTE: It doesn't make much sense to include both !fb6/prims and one or more of the namespaced files. If you include from both, it should still work, but it really misses the point of using namespaces.
There are also a couple standard include files that provide access to features useful for matching and argument parsing.
| Include File | NameSpace | What it declares |
|---|---|---|
| fb6/match | match_noisy, match_controlled | |
| fb6/argparse | argparse:: | Cmd-line argument parsing. |
In MUV and MUF both, a value is considered True unless it is one of the following specific False values:
If you need to provide two different results, based on the result of a third expression, you can use the conditional operator:
x>0 ? 1 : 2
This will return 1 if x is greater than 0, otherwise it will return 2.
IMPORTANT: since some identifiers in MUV can end in ? (ie: awake?) you will need to put a space between an identifier and the ? in a conditional expression, otherwise you may get odd syntax errors:
var success = result ?"Yes":"No";
The expression x > 3 && !(y < 10) will return true if both x is greater than 3 and y is not less than 10.
NOTE: Logical expressions support shortcutting. If the left half of a logical || (OR) is true, the right half isn't evaluated at all. If the left half of a logical && (AND) is false, the right half isn't evaluated at all. Both sides of a logical ^^ (XOR) are always evaluated. This mostly has implications when you are calling functions in the right-hand side of a shortcutted expression, as these calls may not be made at all.
The intrinsic short-cutting in logical && (AND) and || (OR) operators can also have other uses. The && (AND) operator can be used to chain successful calls, such as:
function1(x) && function2(x) && function3(x)
Each function in the chain is only called if every previous function in the chain returned a true value. The final value returned will either be the first false value returned, or the true value returned by the last call.
More usefully, if you have a series of functions that return a false value on success, and a non-false value on failure, you can chain these calls with || (OR) operators, and get an overall failure code (or string) for the chain:
function1(x) || function2(x) || function3(x)
Each function in this chain is only called if every previous function in the chain returned a false (success!) value. The final value returned will either be the first true (error code or string) value returned, or the false (success!) value returned by the last call.
The || (OR) operator is also useful in returning default values:
function1(x) || 42
This will return the result from function1(), unless it is a value that evaluates as false, in which case 42 will be returned.
WARNING: You can combine && (AND) and || (OR) to provide alternate values for both success and failure, but this is almost never a good idea. This notation only works correctly if you use the logical operators in that specific order. Additionally, if the true branch of the expression tries to return a false value, then the false branch gets erroneously evaluated as well, and its result is returned instead.
It will always be cleaner, clearer, more efficient, more concise, and less bug prone to use the Conditional Operator. Do this:
result ? "Yes" : "No";
Don't do this:
result && "Yes" || "No";
All these expressions can be combined and chained in surprisingly complex ways:
var y = [[4, 5, 6], 3]; var z = 1; var x = y[0][1] = 43 * (z += 1 << 3);
Declaring a list array is easy:
var listvar = ["First", "Second", "Third", "Forth!"];
To declare an empty list, just use:
var foo = [];
You can fetch an element from a list using a subscript:
var a = listvar[2];
Which will set the newly declared variable a to "Third":
Setting a list element uses a similar syntax:
listvar[3] = "foo";
That will change the 4th element (as list indexes are 0-based) of the list in listvar to "foo", resulting in listvar containing the list:
["First", "Second", "Third", "foo"]
You can append items to an existing list with the [] construct:
listvar[] = "bar";
Resulting in listvar containing the list:
["First", "Second", "Third", "foo", "bar"]
Deletion of list elements uses del() like this:
del(listvar[2]);
Which deletes the 3rd element of the list stored in listvar, resulting in listvar containing:
["First", "Second", "foo", "bar"]
If you need to work with nested lists, ie: lists stored in elements of lists, you can just add subscripts to the expression. For example, if you start with this array:
var nest = [ [8, 7, 6, 5], [4, 3, 2], ["Foo", "Bar", "Baz"] ];
Then to get the second element of the list embedded in the third element of the array in the variable nest, you will do the following:
nest[2][1];
To set the third element of the list embedded in the first element of nest, to the value 23, you can do this:
nest[0][2] = 23;
At this point, the variable nest will contain the following:
[ [8, 7, 23, 5], [4, 3, 2], ["Foo", "Bar", "Baz"] ]
To append "Qux" to the list in the 3rd element of the list in nest:
listvar[2][] = "Qux";
The variable nest now contains the following:
[ [8, 7, 23, 5], [4, 3, 2], ["Foo", "Bar", "Baz", "Qux"] ]
To delete the 2nd element of the list in the 3rd element in nest:
del(nest[2][1]);
The variable nest now contains:
[ [8, 7, 23, 5], [4, 3, 2], ["Foo", "Baz", "Qux"] ]
Dictionaries are a special type of array, where the keys are not necessarily numeric, and they don't have to be contiguous. You can use many of the same functions and primitives with dictionaries that you use with list arrays. MUV Dictionaries are functionally like hash tables in other languages.
Defining a dictionary is similar to defining a list array, except you also specify the keys:
var mydict = [ "one" => 1, "two" => 2, "three" => 3, "four" => 4 ];
To define an empty dictionary, which is distinct from a list, you can use:
var empty = [=>];
Reading, setting and deleting dictionary elements are very similar to doing the same with a list array:
var myvar = mydict["three"]; mydict["six"] = 6; del(mydict["one"]);
Similarly to list arrays, you can also nest dictionaries with other lists and dictionaries. The syntax to manipulate nested dictionaries is exactly the same as for lists:
var nest = [ "foo" => [5, 6, 7], "bar" => [ "fee" => 1, "fie" => 2, "foe" => 3 ], "baz" => 17 ]; nest["baz"] = 42; nest["bar"][] = "fum"; del(nest["foo"][1])
You can use the if statement to execute code only if an expression is true:
if (x > 3) tell("Greater!");
This will execute tell("Greater!") only if the test x > 3 evaluates as true.
You can make multiple statements part of the conditional by surrounding them in braces like this:
if (x > 3) { tell("x > 3!"); tell(cat("x = ", x)); }
If you also need to have it execute code if the expression was false, you can use an else clause, like this:
if (x < 0) { tell("Negative!"); } else { tell("Positive!"); }
Idiomatically, this is simply "If X is true, do Y, otherwise, do Z."
You can make a single statement execute only if an expression is true by using a trailing if clause:
tell("Odd!") if (x%2);
This will only execute tell("Odd!") if the result of x % 2 evaluates as true, (non-zero). Idiomatically, this is "Do X if Y is true."
You can also make a single statement execute only if an expression is false by using a trailing unless clause:
tell("Even!") unless(x%2);
This will only execute tell("Even!") if the result of x % 2 evaluates as False (0). Idiomatically, this is "Do X unless Y is true."
If you need to compare a value against a lot of options, you can use the switch - case statement:
switch (val) { case(1) tell("One!"); case(2) tell("Two!"); case(3) tell("Three!"); }
The optional default clause allows you to execute code if no case matches:
switch (val) { case(1) tell("One!"); case(2) tell("Two!"); case(3) tell("Three!"); default tell("Something else!"); }
With the using clause, you can specify a primitive or function that takes two arguments to use for comparisons. When the comparison function or primitive returns true, then a match is found. When you specify using strcmp it special-cases the comparison to actually be strcmp not. The same applies for stringcmp, which is translated to stringcmp not:
switch (val using strcmp) { case("one") { tell("First!"); } case("two") { tell("Second!"); } case("three") { tell("Third!"); } default { tell("Something else!") } }
You can also specify built-in comparison operators like eq, in, or =. Only the first case with a successful match will be executed:
switch (val using eq) { case("one") tell("First!"); case("two") tell("Second!"); case("three") tell("Third!"); }
Unlike in C, switch statements do not fall-through from one case clause to the next. Also, you can actually use expressions in the case, not just constants:
switch(name(obj) using eq) { case(strcat(name(me), "'s Brush")) { tell("It's one of your brushes!"); brushcount++; } case(strcat(name(me), "'s Fiddle")) { tell("It's one of your fiddles!"); fiddlecount++; } }
If you use the break statement inside a case clause, you can exit the case clause early, and execution resumes after the end of the switch. If you use a continue statement inside a case clause, the entire switch statement is re-evaluated. This can be useful for, perhaps, running a looping state machine:
const FIRST = 1; const SECOND = 2; const THIRD = 3; const FOURTH = 4; var state = FIRST; switch(state) { case(FIRST) { state = SECOND; do_something(); continue; } case(SECOND) { state = THIRD; do_something_else(); continue; } case(THIRD) { if (do_something_more()) { state = FOURTH; continue; } break; } case(FOURTH) { state = FIRST; do_something_special() continue; } }
There are several types of loops available.
While loops will repeat as long as the condition evaluates true. The condition is checked before each loop:
var i = 10; while (i > 0) { tell(intostr(i--)); }
Idiomatically, while(X) Y; means "While X is true, keep repeating Y."
Until loops will repeat as long as the condition evaluates false. The condition is checked before each loop:
var i = 10; until (i == 0) { tell(intostr(i--)); }
Idiomatically, until(X) Y; means "Until X is true, keep repeating Y."
Do-While loops will repeat as long as the condition evaluates true. The condition is checked after each loop. The loop will execute at least once:
var i = 10; do { tell(intostr(i--)); } while(i > 0);
Idiomatically, do X while(Y); means "Do X, then while Y is true keep repeating X."
Do-Until loops will repeat as long as the condition evaluates false. The condition is checked after each loop. The loop will execute at least once:
var i = 10; do { tell(intostr(i--)); } until(i == 0);
Idiomatically, do X until(Y); means "Do X, then until Y is true keep repeating X."
For loops come in a few varieties. The first version counts up from one number to another, inclusive:
// Count from 1 up to 10, inclusive for (var i in 1 => 10) { tell(intostr(i)); }
Idiomatically, for (V in X => Y) Z; means, "Count from X to Y, inclusive. For each value, store it in the variable V, then execute Z."
With a by clause, you can count down, or by a different increment:
// Count from 10 down to 1, inclusive for (var i in 10 => 1 by -1) { tell(intostr(i)); }
Idiomatically, for (V in X => Y by N) Z; means, "Count from X to Y, inclusive, adding N each time. For each value, store it in the variable V, then execute Z."
You can also iterate arrays/lists/dictionaries like this:
var letters = ["a", "b", "c", "d", "e"]; for (var letter in letters) tell(letter);
Idiomatically, for (V in X) Y; means, "For each item in the array X, store the value in the variable V, then execute the code Y."
To iterate over both indexes/keys and values:
for (var idx => var letter in ["a", "b", "c", "d", "e"]) tell(cat(idx, letter));
Idiomatically, for (K => V in X) Y; means, "For each item in the array X, store the array item's index (key) in the variable K, and the item's value in the variable V, then execute the code Y."
Using a variation on loops and conditionals, you can quickly create lists and dictionaries that are mutations of already existing arrays. The original array is untouched.
For example, if you have a list of strings in the variable words, you can create a list of uppercased versions of those words like this:
var words = ["fee", "fie", "foe", "fum"]; var uppers = [for (var word in words) toupper(word)];
Similarly, you can generate a dictionary. If we have an existing dictionary, that we want to make a new dictionary from, with uppercased keys, and values that are incremented, we can do the following:
var prims = [ "notify" => 2, "pop" => 1, "swap" => 1, "setpropstr" => 3 ]; var keywords = [for (var k => var v in prims) toupper(k) => v+1];
You can use any variation of for loop for making comprehensions:
var odd_thirds = [for (x in 1 => 100 by 3) if (x % 2) x];
You can also filter a list or dictionary by adding an if or unless clause. This will only include entries which passed the conditional test:
var x; var odds = [for (x in 0 => 100) if (x % 2) x]; var sevens = [for (var y in 0 => 100) unless (y % 7) y];
If an expression or function call returns an array of known size, you can assign each array item to an individual variable using tuple assignment:
extern multiple split(s, delim); <var a, var b> = split("Hello, World!", " "); <a, b> = split("foo=bar", "=");
You can also use tuple assignment inside a loop or comprehension:
for (<a, b> in list_generator()) { tell(cat(b, a)); } var foo = [for (<a, b> in list_generator()) if (a != b) a + b];
IMPORTANT: You must put space between the > and = of the tuple assignment, or the language parser will get confused, thinking it sees a >= token.
You can trap errors with the try - catch construct:
try { setname(obj, "Foobar"); } catch (e) { tell(e["error"]); }
The variable given to the catch command will, when an error is received, have a dictionary stored in it with the following keys:
If you don't care about the exception details, you can just not specify the variable:
try { setname(obj, "Foobar"); } catch () { tell("Could not set the name."); }
If you just want to trap any errors without doing anything, you can just do:
try { setname(obj, "Foobar"); } catch();
If you need to throw your own custom exception, you can do it like:
throw("MyError")
Sometimes you need to interact with other MUF programs, by reading or storing data on the MUF stack. You can do that with the top and push(...) constructs. Also, you can specify raw MUF code with the muf("...") command.
The special variable top refers to the top of the stack. You can "pop" the top item off of the stack and store it in a variable like:
var foo = top;
You can "push" a value onto the top of the stack with the push(...) command:
push("Hi!");
You can also push multiple values at once:
push("One", 2, #3, "Fore!");
The push(...) command will return the value of the last item pushed.:
var v = push(13, 42);
Will leave 13 and 42 on the stack, and the value of v will be set to 42.
You can specify raw MUF code by passing it as a string to the muf(...) command:
muf('{ "Hello, " args @ }list array_interpret out !');
which will compile directly into MUF as:
{ "Hello, " args @ }list array_interpret out !
IMPORTANT: If you use the muf(...) command inside a function or in a const definition, make sure that the MUF code it gives will leave exactly one item on the stack!
If you need it, you can also use raw MUF code in the using clause of a switch:
switch (val using muf('"*" strcat smatch')) { case("1") tell("Starts with 1"); case("2") tell("Starts with 2"); case("3") tell("Starts with 3"); }
If new primitives are added to MUF that MUV doesn't know about, or if you need to call external libraries, you can use an extern declaration to let MUV know about how to call it:
extern void tell(msg);
will tell MUV that a function or primitive named tell exists that takes one argument, and returns nothing on the stack. A call to this will return the value 0, if it is used in an expression:
extern single foobar(baz, qux);
will tell MUV that a function or primitive named foobar exists, that takes two arguments, and returns a single value on the stack. When you call this function, it will return that single stack item to the caller:
extern multiple fleegul();
will tell MUV that a function or primitive named fleegul exists, that takes no arguments, and returns two or more values on the stack. When you call this function, it will return a list containing all the returned stack items.
If you need to create an extern for a primitive or function that is problematic to describe with a normal extern, you can give raw custom MUF code at the end of the extern to coerce it to a normal form:
extern single concat(args*) = "array_interpret"; extern single fmtstr(fmt, args*) = " 2 try array_explode 1 + rotate fmtstring depth 0 swap - rotate depth 1 - popn catch abort endcatch ";
The arguments for the extern will be the topmost stack items, with the first argument being deepest on the stack. In the case of varargs, like above, the topmost stack item will be a list containing all the remaining args. If the extern is void, then nothing is expected to be left on the stack. If the extern is single, then one item is expected to be left on the stack. If the extern is multiple, then all items left on the stack will be bundled into a list to be returned to the caller.
The raw MUF code given is used instead of a call to the name of the declared extern. A normal extern:
extern single foo();
will insert foo into the output code where a call to foo() is made. An extern with raw MUF like:
extern single foo() = "bar";
will insert bar into the output code where a call to foo() is made.
There are a number of compiler directives that are (mostly) passed through to the MUF output code. These include:
| Directive | What it Does |
|---|---|
| $language "muv" | Allow future MUCK servers to determine this is MUV. |
| $warn "msg" | Prints msg as a MUV compiler warning. |
| $error "msg" | Prints msg as a MUV error and stops compilation. |
| $echo "msg" | Outputs as the corresponding MUF directive. |
| $author "who" | Outputs as the corresponding MUF directive. |
| $note "msg" | Outputs as the corresponding MUF directive. |
| $version 1.2 | Outputs as the corresponding MUF directive. |
| $libversion 1.2 | Outputs as the corresponding MUF directive. |
| $include "$foo" | Outputs as the corresponding MUF directive. |
| $pragma "foo" | Outputs as the corresponding MUF directive. |
IMPORTANT: All MUV programs should start with $language "muv". Future versions of the MUCK server will use this to recognize MUV source code. The MufSim IDE also uses it to distinguish MUV from MUF source.
It's easiest to debug and test MUV code using the MufSim GUI IDE. There are binaries for Mac OS X, and for 64-bit Windows. You can find them at:
https://github.com/revarbat/mufsim/tree/master/dist
For Linux, (or any other platform, really), or if you want to use the command-line mufsim MUV/MUF debugger instead of the GUI, you can use Python and pip to install MufSim:
pip install mufsim --upgrade
If you prefer to install from the github MufSim sources, download and unpack the mufsim-x.x.x.tar.gz archive, then install with:
python3 setup.py build install
Otherwise, when you are debugging a program compiled into MUF from MUV, using the MUCK's built-in MUF debugger or stack-tracing, there are a few things you should be aware of:
For example, the following MUV source:
$language "muv" extern void tellme(msg) = "me @ swap notify"; extern single toupper(s); extern multiple stats(who); var gvar = 42; func foo(bar) { tellme(toupper(bar)); var baz = stats(me); }
Will compile to MUF as:
( Generated by the MUV compiler. ) ( https://github.com/revarbat/pymuv ) (MUV:L4) lvar _gvar (MUV:L5) : _foo[ _bar -- ret ] (MUV:L6) _bar @ toupper me @ swap notify (MUV:L7) { me @ stats }list var! _baz 0 (MUV:L8) ; (MUV:L5) : __start "me" match me ! me @ location loc ! trig trigger ! (MUV:L4) 42 _gvar ! _foo ;
There are several things to note here:
WARNING: Global variable initialization only occurs in the __start function, which isn't run for public library calls. Global variables in libraries may not get initialized unless you make an explicit public function to initialize them.


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--- layout: archive title: Zulip Chat Archive permalink: /stream/113489-new-members/topic/meta.20tactic.20with.20unfold.html ---
Is there an equivalent to 'tactic.apply' with unfold? I have a meta
tactic that rewrites with specific lemmas which are given as a pexpr
:
meta def rw_pexpr (e : pexpr) : tactic unit := do e ← tactic.to_expr e, t ← target, (p,h,_) ← tactic.rewrite e t, replace_target p h
It works for rewriting if the pexpr
is a lemma, but not if it is a definition (even though doing rw with the definition interactively works). What can I do if I want to unfold the definition using the meta tactic?
use get_equation_lemmas
to get a list of simp lemmas for a definition
Last updated: Apr 24 2020 at 19:02 UTC


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#include <ConfigInterface.h>
Public Member Functions | |
| ConfigInterface (MapLib *mapLib) | |
| virtual | ~ConfigInterface () |
| void | set3dMode (bool enabled) |
| bool | get3dMode () const |
| void | setVariable3dMode (float step) |
| void | setNightMode (bool on) |
| bool | getNightMode () const |
| void | setMapScaleAdjustment (float level) |
| DetailedConfigInterface * | getDetailedConfigInterface () const |
| ScaleConfigInterface * | getScaleConfigInterface () const |
| void | addSettingsListener (MapLibSettingsListener *listener) |
| void | removeSettingsListener (MapLibSettingsListener *listener) |
| WFAPI::ConfigInterface::ConfigInterface | ( | MapLib * | mapLib | ) |
Constructor.
| mapLib | the instance of mapLib to configure. |
| virtual WFAPI::ConfigInterface::~ConfigInterface | ( | ) | [virtual] |
Destructor.
| void WFAPI::ConfigInterface::addSettingsListener | ( | MapLibSettingsListener * | listener | ) |
Add a settings listener which will get notifications when updated settings are available.
| listener | The listener to add. |
| bool WFAPI::ConfigInterface::get3dMode | ( | ) | const |
Get if 3d mode is enabled.
| DetailedConfigInterface* WFAPI::ConfigInterface::getDetailedConfigInterface | ( | ) | const |
Get the detailed config interface to MapLib, which exposes more specific and detailed settings.
| bool WFAPI::ConfigInterface::getNightMode | ( | ) | const |
Get if night mode is enabled.
| ScaleConfigInterface* WFAPI::ConfigInterface::getScaleConfigInterface | ( | ) | const |
Get the scale config interface, which contains settings for the scale.
| void WFAPI::ConfigInterface::removeSettingsListener | ( | MapLibSettingsListener * | listener | ) |
Remove the settings listener so that it will no longer receive notifications when updated settings are available.
| listener | The listener to remove. |
| void WFAPI::ConfigInterface::set3dMode | ( | bool | enabled | ) |
Set if to enable 3d mode for the map. Calling this with true is equal to calling setVariable3dMode(1.0), calling this with false is equal to calling setVariable3dMode(0.0).
| enabled | True if enable 3d, false otherwise (2d). |
| void WFAPI::ConfigInterface::setMapScaleAdjustment | ( | float | level | ) |
Set scale adjustment level for the map. Guideline: High resolution screen should use the value of two or larger. This is to to prevent high resolution screens from showing to much information over a bigger area. Low resolution screens should use the value of one.
NOTE: The parameter is a float value but is currently converted to an integer, in the future this will possibly be changed to allow more precise adjustments.
| level | The level of the map. |
| void WFAPI::ConfigInterface::setNightMode | ( | bool | on | ) |
Set night mode on or off.
| on | True if enable night mode, false otherwise (day mode). |
| void WFAPI::ConfigInterface::setVariable3dMode | ( | float | step | ) |
Sets the map state to a value between 2D and 3D when using a camera based map renderer (like the OpenGL ES renderer).
Can be used to animate from 2D to 3D (step = 0.0 -> 1.0) and vice versa (step = 1.0 -> 0.0). Calling this function with step == 0.0 is equal to calling set3dMode with false. Calling this function with 1.0 is equal to calling set3dMode with true.
| step | The current state between 2D and 3D to use. |


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before change: the words with lowercase letters will become words with a large first letter.
after change: the words with lowercase letters will become words with a large first letter.


[1]
Quiet, crisp picture, small size; Terrible quality in workmanship, problems with software updates
[2]
Everything; Ethernet connection doesn't seem to support WEP or WPA wireless security


Watch: King Los Returns W/ A Fire L.A. Leakers Freestyle
by Team SOHHEast Coast rapper King Los is still nice-nice with the wordplay. The hip-hop veteran pulled through to The L.A. Leakers for a memorable freestyle session. Watch and comment below!
East Coast rapper King Los is still nice-nice with the wordplay. The hip-hop veteran pulled through to The L.A. Leakers for a memorable freestyle session. Watch and comment below!


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Level of confidence that token is an accurately-transcribed word
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{{ "" | safeHTML }} Apache, ApacheCon, Apache Flex and Apache FlexJS are trademarks of the Apache Software Foundation. Copyright © 2017 The Apache Software Foundation, Licensed under the Apache License, Version 2.0
Apache, ApacheCon, Apache Flex and Apache FlexJS are trademarks of the Apache Software Foundation. Copyright © 2017 The Apache Software Foundation, Licensed under the Apache License, Version 2.0


String Interpolation
puts "Hi! Please enter a number:"
number = gets
puts "Output: " + (2 * number.to_i).to_s + " Bye!"
Let's run it!
$ ruby gets.rb Hi! Please enter a number: 43 Output: 86 Bye!
puts "Hi! Please enter a number:"
number = gets
puts "Output: " + (2 * number.to_i).to_s + " Bye!"
What's uncool about this code?
"and
+is tedious
to_sseems redundant. Can't Ruby figure this out for us?
puts "Hi! Please enter a number:"
number = gets
puts "Output: " + (2 * number.to_i).to_s + " Bye!"
Let's rewrite the code using String Interpolation:
puts "Hi! Please enter a number:"
number = gets
puts "Output: #{2 * number.to_i} Bye!"
Another example:
puts "Hi! What's your name?"
name = gets.chomp
puts "Hi, #{name}!"
puts "Hi! Please enter a number:"
number = gets
puts "Output: #{2 * number.to_i} Bye!"
+, now we only have one string!
"... #{expression} ..."
expressionis automatically converted to a string!
", not
')
What questions do you have?