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  • Unique ways to use the Null Coalescing operator

    - by Atomiton
    I know the standard way of using the Null coalescing operator in C# is to set default values. string nobody = null; string somebody = "Bob Saget"; string anybody = ""; anybody = nobody ?? "Mr. T"; // returns Mr. T anybody = somebody ?? "Mr. T"; // returns "Bob Saget" But what else can ?? be used for? It doesn't seem as useful as the ternary operator, apart from being more concise and easier to read than: nobody = null; anybody = nobody == null ? "Bob Saget" : nobody; // returns Bob Saget So given that fewer even know about null coalescing operator... Have you used ?? for something else? Is ?? necessary, or should you just use the ternary operator (that most are familiar with)

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  • Jquery Accordion and Fading

    - by Slick Willis
    I am trying to create a jquery accordion that fades the header of the accordion out when the page is loaded then fades it in when the mouse hovers. The accordion also opens when the mouse hovers. I am able to get all of this working, the problem I am having is when the accordion opens the header moves away and the mouse is no longer on it to keep it lit. I would like the links to keep the header lit as well as if the mouse is on the header itself. Below is the code that I wrote for it. <html> <head <script type='text/javascript' src='http://accidentalwords.squarespace.com/storage/jquery/jquery-1.4.2.min.js'></script> <script type='text/javascript' src='http://accidentalwords.squarespace.com/storage/jquery/jquery-custom-181/jquery-ui-1.8.1.custom.min.js'></script> </head> <body bgcolor="black"> <style = "css/text"> .links { font-family: "Georgia", "Verdana", serif; line-height: 30px; margin-left: 20px; margin-top: 5px; } .Title { font-family: "Geneva", "Verdana", serif; font-weight: bold; font-size: 2em; text-align: left; font-variant: small-caps; border-bottom: solid 2px #25FF00; padding-bottom:5px; margin-bottom: 10px; } </style> <script type="text/javascript"> $(document).ready(function(){ $(".Title").fadeTo(1,0.25); $(".Title").hover(function () { $(this).stop().fadeTo(250,1) .closest(".Title").find(".links").fadeTo(250,0.75); }, function() { $(this).stop().fadeTo(250,0.25); }); }); $(function() { $("#accordion").accordion({ event: "mouseover" }); }); </script> <p>&nbsp</p> <div id="accordion"> <div class="Title"><a href="#"STYLE="TEXT-DECORATION: NONE; color: #25FF00;">Reference</a></div> <div class="links"> <a href="http://docs.jquery.com/Main_Page" STYLE="TEXT-DECORATION: NONE; color: #25FF00;">Jquery Documentation/Help</a><br> <a href="http://stackoverflow.com/" STYLE="TEXT-DECORATION: NONE; color: #25FF00;">Stack Overflow</a><br> <a href="http://www.w3schools.com/" STYLE="TEXT-DECORATION: NONE; color: #25FF00;">w3schools.com</a><br> </div> <div class="Title"><a href="#"STYLE="TEXT-DECORATION: NONE; color: #FF7200;">Gaming</a></div> <div class="links"> <a href="http://docs.jquery.com/Main_Page" STYLE="TEXT-DECORATION: NONE; color: #FF7200;">Jquery Documentation/Help</a><br> <a href="http://stackoverflow.com/" STYLE="TEXT-DECORATION: NONE; color: #FF7200;">Stack Overflow</a><br> <a href="http://www.w3schools.com/" STYLE="TEXT-DECORATION: NONE; color: #FF7200;">w3schools.com</a><br></div> <div class="Title"><a href="#"STYLE="TEXT-DECORATION: NONE; color: #00DEFF;">Grub</a></div> <div class="links"> <a href="http://docs.jquery.com/Main_Page" STYLE="TEXT-DECORATION: NONE; color: #00DEFF;">Jquery Documentation/Help</a><br> <a href="http://stackoverflow.com/" STYLE="TEXT-DECORATION: NONE; color: #00DEFF;">Stack Overflow</a><br> <a href="http://www.w3schools.com/" STYLE="TEXT-DECORATION: NONE; color: #00DEFF;">w3schools.com</a><br> </div> <div class="Title"><a href="#"STYLE="TEXT-DECORATION: NONE; color: #F8FF00;">Drinks</a></div> <div class="links"> <a href="http://docs.jquery.com/Main_Page" STYLE="TEXT-DECORATION: NONE; color: #F9FF00;">Jquery Documentation/Help</a><br> <a href="http://stackoverflow.com/" STYLE="TEXT-DECORATION: NONE; color: #F8FF00;">Stack Overflow</a><br> <a href="http://www.w3schools.com/" STYLE="TEXT-DECORATION: NONE; color: #F8FF00;">w3schools.com</a><br> </div> </div> </body> </html>

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  • Parsing complex string using regex

    - by wojtek_z
    My regex skills are not very good and recently a new data element has thrown my parser into a loop Take the following string "+USER=Bob Smith-GROUP=Admin+FUNCTION=Read/FUNCTION=Write" Previously I had the following for my regex : [+\\-/] Which would turn the result into USER=Bob Smith GROUP=Admin FUNCTION=Read FUNCTION=Write FUNCTION=Read But now I have values with dashes in them which is causing bad output New string looks like "+USER=Bob Smith-GROUP=Admin+FUNCTION=Read/FUNCTION=Write/FUNCTION=Read-Write" Which gives me the following result , and breaks the key = value structure. USER=Bob Smith GROUP=Admin FUNCTION=Read FUNCTION=Write FUNCTION=Read Write Can someone help me formulate a valid regex for handling this or point me to some key / value examples. Basically I need to be able to handle + - / signs in order to get combinations.

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  • mod_rewrite apache

    - by Peter
    is there any way to hide redirected url, here is what I think: RewriteEngine On RewriteCond %{REQUEST_FILENAME} -f RewriteRule ^(.*)$ http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI}&force So the long redirected url http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI} to something shorter like /mintedomain.com/track/ It is possible? Adrian edit: Andrew: This is a stats software Mint (haveamint.com) with File Download tracker plugin. The File Download tracker works in this way: in .htaccess every file (zip, rar, txt,...) is redirected to the tracker.php file (because the stats): http://mydomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI} So the redirected url look like this for a zip file: http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://mydomain/downloads/apple.zip This redirected URL is very long and ugly. The best for me would be to redirect this redirected URL to something shorter URL: example: http://mydomain.com/track/downloads/apple.zip.. So the http://mydomain.com/track would be the http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php

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  • What's the use of Ant's extension-point if/unless attributes?

    - by Robert Menteer
    When you define an extension-point in an Ant build file you can have it conditional by using the if or unless attribute. On a target the if/unless prevent it's tasks from being run. But an extension-point doesn't have any tasks to conditionally run, so what does the condition do? My thought (which proved to be incorrect in Ant 1.8.0) is it would prevent any tasks that extend the extension-point from being run. Here is an example build script showing the problem: <project name = "ext-test" default = "main"> <property name = "do.it" value = "false" /> <extension-point name = "init"/> <extension-point name = "doit" depends = "init" if = "${do.it}" /> <target name = "extend-init" extensionOf = "init"> <echo message = "Doing extend-init." /> </target> <target name = "extend-doit" extensionOf = "doit"> <echo message = "Do It! (${do.it})" /> </target> <target name = "main" depends = "doit"> <echo message = "Doing main." /> </target> </project> Using the command: ant -v Relults in: Apache Ant version 1.8.0 compiled on February 1 2010 Trying the default build file: build.xml Buildfile: /Users/bob/build.xml Detected Java version: 1.6 in: /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home Detected OS: Mac OS X parsing buildfile /Users/bob/build.xml with URI = file:/Users/bob/build.xml Project base dir set to: /Users/bob parsing buildfile jar:file:/Users/bob/Documents/Development/3P-Tools/apache-ant-1.8.0/lib/ant.jar!/org/apache/tools/ant/antlib.xml with URI = jar:file:/Users/bob/Documents/Development/3P-Tools/apache-ant-1.8.0/lib/ant.jar!/org/apache/tools/ant/antlib.xml from a zip file Build sequence for target(s) `main' is [extend-init, init, extend-doit, doit, main] Complete build sequence is [extend-init, init, extend-doit, doit, main, ] extend-init: [echo] Doing extend-init. init: extend-doit: [echo] Do It! (false) doit: Skipped because property 'false' not set. main: [echo] Doing main. BUILD SUCCESSFUL Total time: 0 seconds You will notice the target extend-doit is executed but the extention-point itself is skipped. Since an extention-point doesn't have any tasks exactly what has been skipped? Any targets that depend on the extention-point still get executed since a skipped target is a successful target. What is the value of the if/unless attributes on an extention-point?

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  • Tomcat, Hibernate and the java.io.EOFException

    - by Marco
    Hi, My Java application, which uses Hibernate and it's hosted by Tomcat 6.0, gets the following exception after a long time of inactivity when it tries to access the DB: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io.EOFException STACKTRACE: java.io.EOFException at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1963) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2375) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2874) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1623) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1715) at com.mysql.jdbc.Connection.execSQL(Connection.java:3249) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1268) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1403) at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208) at org.hibernate.loader.Loader.getResultSet(Loader.java:1812) at org.hibernate.loader.Loader.doQuery(Loader.java:697) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259) at org.hibernate.loader.Loader.doList(Loader.java:2232) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2129) at org.hibernate.loader.Loader.list(Loader.java:2124) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:401) at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:363) at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:196) at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1149) at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102) Any tips? Thanks

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  • Accessing a class's containing namespace from within a module

    - by SFEley
    I'm working on a module that, among other things, will add some generic 'finder' type functionality to the class you mix it into. The problem: for reasons of convenience and aesthetics, I want to include some functionality outside the class, in the same scope as the class itself. For example: class User include MyMagicMixin end # Should automagically enable: User.name('Bob') # Returns first user named Bob Users.name('Bob') # Returns ALL users named Bob User(5) # Returns the user with an ID of 5 Users # Returns all users I can do the functionality within these methods, no problem. And case 1 (User.name('Bob')) is easy. Cases 2–4, however, require being able to create new classes and methods outside User. The Module.included method gives me access to the class, but not to its containing scope. There is no simple "parent" type method that I can see on Class nor Module. (For namespace, I mean, not superclass nor nested modules.) The best way I can think to do this is with some string parsing on the class's #name to break out its namespace, and then turn the string back into a constant. But that seems clumsy, and given that this is Ruby, I feel like there should be a more elegant way. Does anyone have ideas? Or am I just being too clever for my own good?

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  • Evaluating a regular expression range

    - by Dan Atkinson
    Hi there! Is there a nice way to evaluate a regular expression range, say, for a url such as http://example.com/[a-z]/[0-9].htm This would be converted into: http://example.com/a/0.htm http://example.com/a/1.htm http://example.com/a/2.htm ... http://example.com/a/9.htm ... http://example.com/z/0.htm http://example.com/z/1.htm http://example.com/z/2.htm ... http://example.com/z/9.htm I've been scratching my head about this, and there's no pretty way of doing it without going through the alphabet and looping through numbers. Thanks in advance!

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  • Distributed development systems

    - by Nathan Adams
    I am interested in a system that allows for distributed development with an authentication piece. What do I mean by that? Ok so lets take SVN, SVN keeps track of revisions and doesn't care who submits, as long as you have the right to submit you can submit, really, to any part in the repository. Where does my system come into play? Being able to granulate access control and give a stackoverflow like feel to the environment. In the system I am describing we have 4 users Bob, Alice, Dan, Joe. Bob is a project managed, Alice and Dan are programmers under Bob and Joe is a random programmer on the internet who wants to help. Ideally in this system, Bob can commit any changes and won't require approval. Alice and Dan can commit to their branches, or a branch, but a commit to the trunk would need approval by Bob. This is where Joe comes in, wants to help, however, you just don't want to give him the keys to the kingdom just yet so to speak, so in my system you would setup a "low user" account. Any commits that Joe makes would need to be approved by Dan, Alice or both. However, in the system, Joe can build up "Karma" where after so many approved commits it would only need approval by one of the programmers, and then eventually no approval would be necessary. Does that make sense and do you know if a system like that exists? Or am I just crazy to even think such a system/environment would be possible?

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  • Question on compiling java program

    - by Hulk
    I am a newbie to java, i have a query, /home/bob/java/jdk1.5.0_06/bin/javac /home/bob/output/a.java In the above when the program is compiled how to generate the classfile in /home/bob/class. Also how should the environment variables set for the following i.e, JAVA_HOME,CLASSPATH,JAVAPATH Thanks..

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  • how to atomically claim a row or resource using UPDATE in mysql

    - by Igor
    i have a table of resources (lets say cars) which i want to claim atomically. if there's a limit of one resource per one user, i can do the following trick: UPDATE cars SET user = 'bob' WHERE user IS NULL LIMIT 1 SELECT * FROM cars WHERE user IS bob that way, i claim the resource atomically and then i can see which row i just claimed. this doesn't work when 'bob' can claim multiple cars. i realize i can get a list of cars already claimed by bob, claim another one, and then SELECT again to see what's changed, but that feels hackish. What I'm wondering is, is there some way to see which rows i just updated with my last UPDATE? failing that, is there some other trick to atomically claiming a row? i really want to avoid using SERIALIZABLE isolation level. If I do something like this: 1 SELECT id FROM cars WHERE user IS NULL 2 <here, my PHP or whatever picks a car id> 3 UPDATE cars SET user = 'bob' WHERE id = <the one i picked> would REPEATABLE READ be sufficient here? in other words, could i be guaranteed that some other transactions won't claim the row my software has picked during step 2?

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  • What is the recommended method of HTTP Redirection from multiple URLs to one URL?

    - by ChrisHDog
    I have a website that has a number of URLs that people use to connect to that site (uses the bindings on the IIS website and everything works as intended): http://www.sample.com http://sample.com https://www.sample.com http://xyz.sample.com http://oldurl.com Now what I want to do is have all of the URLs go to https://www.sample.com - so if you type in "http://xyz.sample.com" or "sample.com" you should go to https://www.sample.com The question is what is the best mechanism to do this? I have one possible solution (which I will put as an answer to this question), but I get the feeling that there might be another, better solution available.

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  • Where to look for real url

    - by smallB
    I'm trying to write simple application for downloading videos from youtube. My code for getting file (http://www.youtube.com/watch?v=pViMzR_ylXg) looks like: bool FD_core::get_file() { QNetworkRequest request; request.setUrl(QUrl("http://www.youtube.com/watch?v=pViMzR_ylXg")); connect(network_access_manager_, SIGNAL(finished(QNetworkReply*)), this, SLOT(onRequestCompleted(QNetworkReply *))); network_access_manager_->get(request); return true; } void FD_core::onRequestCompleted(QNetworkReply * reply) { QByteArray data_ = reply->readAll(); cout << data_.constData(); qDebug() << "size: " << data_.size(); } In the above function data_.constData() produces lots of text, part (very small) of it: <!DOCTYPE html> <html lang="en" dir="ltr" > <head> <script> var yt = yt || {};yt.timing = yt.timing || {};yt.timing.tick = function(label, opt_time) {var timer = yt.timing['timer'] || {};if(opt_time) {timer[label] = opt_time;}else {timer[label] = new Date().getTime();}yt.timing['timer'] = timer;};yt.timing.info = function(label, value) {var info_args = yt.timing['info_args'] || {};info_args[label] = value;yt.timing['info_args'] = info_args;};yt.timing.info('e', "907050,906359,927900,919320,914021,916611,922401,920704,912806,927201,925706,928001,922403,913546,913556,920201,911116,901451");yt.timing.wff = true;yt.timing.info('pr', "1");yt.timing.info('an', "dclk,aftv,afv");if (document.webkitVisibilityState == 'prerender') {document.addEventListener('webkitvisibilitychange', function() {yt.timing.tick('start');}, false);}yt.timing.tick('start');yt.timing.info('li','0');try {yt.timing['srt'] = window.gtbExternal && window.gtbExternal.pageT() ||window.external && window.external.pageT;} catch(e) {}if (window.chrome && window.chrome.csi) {yt.timing['srt'] = Math.floor(window.chrome.csi().pageT);}if (window.msPerformance && window.msPerformance.timing) {yt.timing['srt'] = window.msPerformance.timing.responseStart - window.msPerformance.timing.navigationStart;} </script> <script>var yt = yt || {};yt.preload = {};yt.preload.counter_ = 0;yt.preload.start = function(src) {var img = new Image();var counter = ++yt.preload.counter_;yt.preload[counter] = img;img.onload = img.onerror = function () {delete yt.preload[counter];};img.src = src;img = null;};yt.preload.start("http:\/\/o-o---preferred---sn-xn5ucu-q0ce---v3---lscache7.c.youtube.com\/crossdomain.xml");yt.preload.start("http:\/\/o-o---preferred---sn-xn5ucu-q0ce---v3---lscache7.c.youtube.com\/generate_204?ip=95.83.224.63\u0026upn=A3aUhLYV55M\u0026sparams=algorithm%2Cburst%2Ccp%2Cfactor%2Cgcr%2Cid%2Cip%2Cipbits%2Citag%2Csource%2Cupn%2Cexpire\u0026fexp=907050%2C906359%2C927900%2C919320%2C914021%2C916611%2C922401%2C920704%2C912806%2C927201%2C925706%2C928001%2C922403%2C913546%2C913556%2C920201%2C911116%2C901451\u0026mt=1354207274\u0026key=yt1\u0026algorithm=throttle-factor\u0026burst=40\u0026ipbits=8\u0026itag=34\u0026sver=3\u0026signature=692E605215EB4D2CA407291CA26E14B844768A89.7A2930CE25FDDFC7C4FF5AA56DD02538B0020267\u0026mv=m\u0026source=youtube\u0026ms=au\u0026gcr=ie\u0026expire=1354228237\u0026factor=1.25\u0026cp=U0hUSVJNVl9IUUNONF9KR1pDOi0tSFhhRzVFRkd6\u0026id=a5588ccd1ff29578");</script><title>Die Antwoord - Fok Julle Naaiers (Mike Tyson&#39;s Words NOT DJ Hi-Teks) - YouTube</title><link rel="search" type="application/opensearchdescription+xml" href="http://www.youtube.com/opensearch?locale=en_US" title="YouTube Video Search"><link rel="icon" href="http://s.ytimg.com/yts/img/favicon-vfldLzJxy.ico" type="image/x-icon"><link rel="shortcut icon" href="http://s.ytimg.com/yts/img/favicon-vfldLzJxy.ico" type="image/x-icon"> <link rel="icon" href="//s.ytimg.com/yts/img/favicon_32-vflWoMFGx.png" sizes="32x32"><link rel="canonical" href="/watch?v=pViMzR_ylXg"><link rel="alternate" media="handheld" href="http://m.youtube.com/watch?v=pViMzR_ylXg"><link rel="alternate" media="only screen and (max-width: 640px)" href="http://m.youtube.com/watch?v=pViMzR_ylXg"><link rel="shortlink" href="http://youtu.be/pViMzR_ylXg"> <meta name="title" content="Die Antwoord - Fok Julle Naaiers (Mike Tyson&#39;s Words NOT DJ Hi-Teks)"> <meta name="description" content="Some of the lyrics of &quot;Die Antwoord&quot; new single &quot;Fok Julle Naaiers&quot; have caused such controversy that Die Antwoord have split with their record label Intersc..."> <meta name="keywords" content="Die Antwoord, Fok Julle Naaiers, Mike Tyson, DJ Hi-Tek, Faggot"> <link rel="alternate" type="application/json+oembed" href="http://www.youtube.com/oembed?url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DpViMzR_ylXg&amp;format=json" title="Die Antwoord - Fok Julle Naaiers (Mike Tyson&#39;s Words NOT DJ Hi-Teks)"> <link rel="alternate" type="text/xml+oembed" href="http://www.youtube.com/oembed?url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DpViMzR_ylXg&amp;format=xml" title="Die Antwoord - Fok Julle Naaiers (Mike Tyson&#39;s Words NOT DJ Hi-Teks)"> <meta property="og:url" content="http://www.youtube.com/watch?v=pViMzR_ylXg"> <meta property="og:title" content="Die Antwoord - Fok Julle Naaiers (Mike Tyson&#39;s Words NOT DJ Hi-Teks)"> <meta property="og:description" content="Some of the lyrics of &quot;Die Antwoord&quot; new single &quot;Fok Julle Naaiers&quot; have caused such controversy that Die Antwoord have split with their record label Intersc..."> <meta property="og:type" content="video"> <meta property="og:image" content="http://i1.ytimg.com/vi/pViMzR_ylXg/mqdefault.jpg"> <meta property="og:video" content="http://www.youtube.com/v/pViMzR_ylXg?version=3&amp;autohide=1"> <meta property="og:video:type" content="application/x-shockwave-flash"> <meta property="og:video:width" content="853"> <meta property="og:video:height" content="480"> <meta property="og:site_name" content="YouTube"> <meta property="fb:app_id" content="87741124305"> <meta name="twitter:card" value="player"> <meta name="twitter:site" value="@youtube"> <meta name="twitter:player" value="https://www.youtube.com/embed/pViMzR_ylXg"> <meta property="twitter:player:width" content="853"> <meta property="twitter:player:height" content="480"> So my question is, where in this file is the url hidden which will allow me to download the wanted file?

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  • Got a table of people, who I want to link to each other, many-to-many, with the links being bidirect

    - by dflock
    Imagine you live in very simplified example land - and imagine that you've got a table of people in your MySQL database: create table person ( person_id int, name text ) select * from person; +-------------------------------+ | person_id | name | +-------------------------------+ | 1 | Alice | | 2 | Bob | | 3 | Carol | +-------------------------------+ and these people need to collaborate/work together, so you've got a link table which links one person record to another: create table person__person ( person__person_id int, person_id int, other_person_id int ) This setup means that links between people are uni-directional - i.e. Alice can link to Bob, without Bob linking to Alice and, even worse, Alice can link to Bob and Bob can link to Alice at the same time, in two separate link records. As these links represent working relationships, in the real world they're all two-way mutual relationships. The following are all possible in this setup: select * from person__person; +---------------------+-----------+--------------------+ | person__person_id | person_id | other_person_id | +---------------------+-----------+--------------------+ | 1 | 1 | 2 | | 2 | 2 | 1 | | 3 | 2 | 2 | | 4 | 3 | 1 | +---------------------+-----------+--------------------+ For example, with person__person_id = 4 above, when you view Carol's (person_id = 3) profile, you should see a relationship with Alice (person_id = 1) and when you view Alice's profile, you should see a relationship with Carol, even though the link goes the other way. I realize that I can do union and distinct queries and whatnot to present the relationships as mutual in the UI, but is there a better way? I've got a feeling that there is a better way, one where this issue would neatly melt away by setting up the database properly, but I can't see it. Anyone got a better idea?

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  • Looking for a component (.NET or COM/ActiveX) that can play AVI files in a WinForms app

    - by MusiGenesis
    I'm looking for something like the Windows Media Player control that can be hosted on a form. The WMP doesn't work for me because I need a control that can play a continuously-appended playlist of AVI files in sequence, so that the transition from one file to the next happens seamlessly (i.e. without any glitches or pauses in the video and audio). With WMP, there's always a delay between files of half a second or so. Does anyone know of a control (it can be either commercial or open-source) that can do this? I assume anything like this wraps DirectX, and that's OK too.

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  • making arrays from tab-delimited text file column

    - by absolutenewbie
    I was wondering if anyone could help a desperate newbie with perl with the following question. I've been trying all day but with my perl book at work, I can't seem to anything relevant in google...or maybe am genuinely stupid with this. I have a file that looks something like the following: Bob April Bob April Bob March Mary August Robin December Robin April The output file I'm after is: Bob April April March Mary August Robin December April So that it lists each month in the order that it appears for each person. I tried making it into a hash but of course it wouldn't let me have duplicates so I thought I would like to have arrays for each name (in this example, Bob, Mary and Robin). I'm afraid to upload the code I've been trying to tweak because I know it'll be horribly wrong. I think I need to define(?) the array. Would this be correct? Any help would be greatly appreciated and I promise I will be studying more about perl in the meantime. Thank you for your time, patience and help. #!/usr/bin/perl -w while (<>) { chomp; if (defined $old_name) { $name=$1; $month=$2; if ($name eq $old_name) { $array{$month}++; } else { print "$old_name"; foreach (@array) { push (@array, $month); print "\t@array"; } print "\n"; @array=(); $array{$month}++; } } else { $name=$1; $month=$2; $array{month}++; } $old_name=$name; } print "$old_name"; foreach (@array) { push (@array, $month); print "\t@array"; } print "\n";

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  • Are there any well known algorithms to detect the presence of names?

    - by Rhubarb
    For example, given a string: "Bob went fishing with his friend Jim Smith." Bob and Jim Smith are both names, but bob and smith are both words. Weren't for them being uppercase, there would be less indication of this outside of our knowledge of the sentence. Without doing grammar analysis, are there any well known algorithms for detecting the presence of names, at least Western names?

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  • Request header is too large

    - by stck777
    I found serveral IllegalStateException Exception in the logs: [#|2009-01-28T14:10:16.050+0100|SEVERE|sun-appserver2.1|javax.enterprise.system.container.web|_ThreadID=26;_ThreadName=httpSSLWorkerThread-80-53;_RequestID=871b8812-7bc5-4ed7-85f1-ea48f760b51e;|WEB0777: Unblocking keep-alive exception java.lang.IllegalStateException: PWC4662: Request header is too large at org.apache.coyote.http11.InternalInputBuffer.fill(InternalInputBuffer.java:740) at org.apache.coyote.http11.InternalInputBuffer.parseHeader(InternalInputBuffer.java:657) at org.apache.coyote.http11.InternalInputBuffer.parseHeaders(InternalInputBuffer.java:543) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.parseRequest(DefaultProcessorTask.java:712) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:577) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:831) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214) at com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:380) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265) at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106) |#] Does anybody know configuration changes to fix this?

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  • Efficient way to update SQL 'relationship' table

    - by AmbroseChapel
    Say I have three properly normalised tables. One of people, one of qualifications and one mapping people to qualifications: People: id | Name ---------- 1 | Alice 2 | Bob Degrees: id | Name --------- 1 | PhD 2 | MA People-to-degrees: person_id | degree_id --------------------- 1 | 2 # Alice has an MA 2 | 1 # Bob has a PhD So then I have to update this mapping via my web interface. (I made a mistake. Bob has a BA, not a PhD, and Alice just got her B Eng.) There are four possible states of these one-to-many relationship mappings: was true before, should now be false was false before, should now be true was true before, should remain true was false before, should remain false what I don't want to do is read the values from four checkboxes, then hit the database four times to say "Did Bob have a BA before? Well he does now." "Did Bob have PhD before? Because he doesn't any more" and so on. How do other people address this issue? I'm curious to see if someone else arrives at the same solution I did.

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  • Mod_rewrite shortening url .htaccess

    - by Peter
    is there any way to hide redirected url, here is what I think: RewriteEngine On RewriteCond %{REQUEST_FILENAME} -f RewriteRule ^(.*)$ http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI}&force So the long redirected url http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI} to something shorter like /mintedomain.com/track/ It is possible? Adrian edit: Andrew: This is a stats software Mint (haveamint.com) with File Download tracker plugin. The File Download tracker works in this way: in .htaccess every file (zip, rar, txt,...) is redirected to the tracker.php file (because the stats): http://mydomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI} So the redirected url look like this for a zip file: http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://mydomain/downloads/apple.zip This redirected URL is very long and ugly. The best for me would be to redirect this redirected URL to something shorter URL: example: http://mydomain.com/track/downloads/apple.zip.. So the http://mydomain.com/track would be the http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php

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  • Android: Activity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView that was originally added here

    - by David Joyce
    I am receiving the above error when launching my application in version 3.1 in my tablet It works fine from 2.1 to 2.3 on phones The code it complains about is as follows: @Override protected void onCreate() { // Other logic here // .... showDialog(Constants.INTRODUCTION_DIALOG); } What is the problem here? I see other related threads but I don't see one similar to my problem on launch. Thanks

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  • jQuery Set Child CSS Attribute Problem

    - by Jascha
    I have a child element of a div named "bob" that's class is '.divTitle' <div id="bob"> <div class="divTitle"> <a href="#"> <h1>Title</h1> </a> </div> </div> I am trying to set the background color of "divTitle" to red but for the life of me can't get this to work. Right now I am trying two things... $('#bob').children('.divTitle')[0].css('background-color', '#0f0'); // assuming children is returning an array... and $('#bob').children('.divTitle').css('background-color', '#0f0'); neither with any success... can anyone tell me what I am missing here? Do I have to go deeper than ".children"?

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  • htaccess to redirect from domain with sub-directory url to the same url on sub-domain

    - by Ibrahm Yaser
    i have problem of redirecting from domain with sub-directory like http://mydomain.com/project/01/117q803789s92d01 or http://mydomain.com/project/08/117t803789s92d08 .. etc to always http://ww2.mydomain.com/project/01/117q803789s92d01 the other link will to http://ww2.mydomain.com/project/08/117t803789s92d08 ... etc i tried this RewriteCond %{HTTP_HOST} ^mydomain\.com$ [OR] RewriteCond %{HTTP_HOST} ^www\.mydomain\.com$ RewriteRule ^project\/\/?(.*)$ "http\:\/\/ww2\.mydomain\.com\/project\/$1" [R=301,L] but for some reason its always redirect me to wrong with missing "\" like if i try to access http://mydomain.com/project/01/117q803789s92d01 redirect me to http://ww2.mydomain.com/project01/117q803789s92d01 Did I miss something?!

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  • How do I use xStream to output Java Objects with List properties?

    - by Zachary Spencer
    Hello, I am trying to output some Java objects as JSON, they have List properties which I want to be formatted as { "People" : [ { "Name" : "Bob" } , { "Name" : "Jim" } ] } However, I cannot figure out how to do this with XStream. It always outputs as { "Person" : { "Name" : "Bob" }, "Person" : { "Name" : "Bob" } Is there a way to fix this? I've put together some sample code with a unit test in github if you need something more concrete to play with: http://gist.github.com/371358 Thanks!

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