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• 6 Facts About GlassFish Announcement

  - by Bruno.Borges

  Since Oracle announced the end of commercial support for future Oracle GlassFish Server versions, the Java EE world has started wondering what will happen to GlassFish Server Open Source Edition. Unfortunately, there's a lot of misleading information going around. So let me clarify some things with facts, not FUD. Fact #1 - GlassFish Open Source Edition is not dead GlassFish Server Open Source Edition will remain the reference implementation of Java EE. The current trunk is where an implementation for Java EE 8 will flourish, and this will become the future GlassFish 5.0. Calling "GlassFish is dead" does no good to the Java EE ecosystem. The GlassFish Community will remain strong towards the future of Java EE. Without revenue-focused mind, this might actually help the GlassFish community to shape the next version, and set free from any ties with commercial decisions. Fact #2 - OGS support is not over As I said before, GlassFish Server Open Source Edition will continue. Main change is that there will be no more future commercial releases of Oracle GlassFish Server. New and existing OGS 2.1.x and 3.1.x commercial customers will continue to be supported according to the Oracle Lifetime Support Policy. In parallel, I believe there's no other company in the Java EE business that offers commercial support to more than one build of a Java EE application server. This new direction can actually help customers and partners, simplifying decision through commercial negotiations. Fact #3 - WebLogic is not always more expensive than OGS Oracle GlassFish Server ("OGS") is a build of GlassFish Server Open Source Edition bundled with a set of commercial features called GlassFish Server Control and license bundles such as Java SE Support. OGS has at the moment of this writing the pricelist of U$ 5,000 / processor. One information that some bloggers are mentioning is that WebLogic is more expensive than this. Fact 3.1: it is not necessarily the case. The initial edition of WebLogic is called "Standard Edition" and falls into a policy where some “Standard Edition” products are licensed on a per socket basis. As of current pricelist, US$ 10,000 / socket. If you do the math, you will realize that WebLogic SE can actually be significantly more cost effective than OGS, and a customer can save money if running on a CPU with 4 cores or more for example. Quote from the price list: “When licensing Oracle programs with Standard Edition One or Standard Edition in the product name (with the exception of Java SE Support, Java SE Advanced, and Java SE Suite), a processor is counted equivalent to an occupied socket; however, in the case of multi-chip modules, each chip in the multi-chip module is counted as one occupied socket.” For more details speak to your Oracle sales representative - this is clearly at list price and every customer typically has a relationship with Oracle (like they do with other vendors) and different contractual details may apply. And although OGS has always been production-ready for Java EE applications, it is no secret that WebLogic has always been more enterprise, mission critical application server than OGS since BEA. Different editions of WLS provide features and upgrade irons like the WebLogic Diagnostic Framework, Work Managers, Side by Side Deployment, ADF and TopLink bundled license, Web Tier (Oracle HTTP Server) bundled licensed, Fusion Middleware stack support, Oracle DB integration features, Oracle RAC features (such as GridLink), Coherence Management capabilities, Advanced HA (Whole Service Migration and Server Migration), Java Mission Control, Flight Recorder, Oracle JDK support, etc. Fact #4 - There’s no major vendor supporting community builds of Java EE app servers There are no major vendors providing support for community builds of any Open Source application server. For example, IBM used to provide community support for builds of Apache Geronimo, not anymore. Red Hat does not commercially support builds of WildFly and if I remember correctly, never supported community builds of former JBoss AS. Oracle has never commercially supported GlassFish Server Open Source Edition builds. Tomitribe appears to be the exception to the rule, offering commercial support for Apache TomEE. Fact #5 - WebLogic and GlassFish share several Java EE implementations It has been no secret that although GlassFish and WebLogic share some JSR implementations (as stated in the The Aquarium announcement: JPA, JSF, WebSockets, CDI, Bean Validation, JAX-WS, JAXB, and WS-AT) and WebLogic understands GlassFish deployment descriptors, they are not from the same codebase. Fact #6 - WebLogic is not for GlassFish what JBoss EAP is for WildFly WebLogic is closed-source offering. It is commercialized through a license-based plus support fee model. OGS although from an Open Source code, has had the same commercial model as WebLogic. Still, one cannot compare GlassFish/WebLogic to WildFly/JBoss EAP. It is simply not the same case, since Oracle has had two different products from different codebases. The comparison should be limited to GlassFish Open Source / Oracle GlassFish Server versus WildFly / JBoss EAP. But the message now is much clear: Oracle will commercially support only the proprietary product WebLogic, and invest on GlassFish Server Open Source Edition as the reference implementation for the Java EE platform and future Java EE 8, as a developer-friendly community distribution, and encourages community participation through Adopt a JSR and contributions to GlassFish. In comparison Oracle's decision has pretty much the same goal as to when IBM killed support for Websphere Community Edition; and to when Red Hat decided to change the name of JBoss Community Edition to WildFly, simplifying and clarifying marketing message and leaving the commercial field wide open to JBoss EAP only. Oracle can now, as any other vendor has already been doing, focus on only one commercial offer. Some users are saying they will now move to WildFly, but it is important to note that Red Hat does not offer commercial support for WildFly builds. Although the future JBoss EAP versions will come from the same codebase as WildFly, the builds will definitely not be the same, nor sharing 100% of their functionalities and bug fixes. This means there will be no company running a WildFly build in production with support from Red Hat. This discussion has also raised an important and interesting information: Oracle offers a free for developers OTN License for WebLogic. For other environments this is different, but please note this is the same policy Red Hat applies to JBoss EAP, as stated in their download page and terms. Oracle had the same policy for OGS. TL;DR; GlassFish Server Open Source Edition isn’t dead. Current and new OGS 2.x/3.x customers will continue to have support (respecting LSP). WebLogic is not necessarily more expensive than OGS. Oracle will focus on one commercially supported Java EE application server, like other vendors also limit themselves to support one build/product only. Community builds are hardly supported. Commercially supported builds of Open Source products are not exactly from the same codebase as community builds. What's next for GlassFish and the Java EE community? There are conversations in place to tackle some of the community desires, most of them stated by Markus Eisele in his blog post. We will keep you posted.

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• LINQ To SQL Wildcards

  - by mcass20

  How can I build in wildcards to my LINQ To SQL lambda expression? This is what I have currently: var query = from log in context.Logs select log; foreach (string filter in CustomReport.ExtColsToFilter) { string tempFilter = filter; query = query.Where(Log => Log.FormattedMessage.Contains(tempFilter)); } This works fine up until I try and pass wildcards in the filter string. I'm experimenting with SqlMethods.Like() but to no avail. The filters above look like this: "<key>NID</key><value>mcass</value>". I'd like to be able to pass filters like this: "<key>NID</key><value>%m%</value>"

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• Exception: "Given final block not properly padded" in Linux, but it works in Windows

  - by user1685364

  My application works in windows, but fails in Linux with Given final block not properly padded exception. Configuration: JDK Version: 1.6 Windows : version 7 Linux : CentOS 5.8 64bit My code is below: import java.io.IOException; import java.io.UnsupportedEncodingException; import java.security.InvalidKeyException; import java.security.Key; import java.security.NoSuchAlgorithmException; import java.security.SecureRandom; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; import javax.crypto.IllegalBlockSizeException; import javax.crypto.KeyGenerator; import javax.crypto.NoSuchPaddingException; import sun.misc.BASE64Decoder; import sun.misc.BASE64Encoder; public class SecurityKey { private static Key key = null; private static String encode = "UTF-8"; private static String cipherKey = "DES/ECB/PKCS5Padding"; static { try { KeyGenerator generator = KeyGenerator.getInstance("DES"); String seedStr = "test"; generator.init(new SecureRandom(seedStr.getBytes())); key = generator.generateKey(); } catch(Exception e) { } } // SecurityKey.decodeKey("password") public static String decodeKey(String str) throws Exception { if(str == null) return str; Cipher cipher = null; byte[] raw = null; BASE64Decoder decoder = new BASE64Decoder(); String result = null; cipher = Cipher.getInstance(cipherKey); cipher.init(Cipher.DECRYPT_MODE, key); raw = decoder.decodeBuffer(str); byte[] stringBytes = null; stringBytes = cipher.doFinal(raw); // Exception!!!! result = new String(stringBytes, encode); return result; } } At the line: ciper.doFilnal(raw); the following exception is thrown: javax.crypto.BadPaddingException: Given final block not properly padded How can I fix this issue?

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• How can I map one to one relationship in Fluent NHibernate. I have tried everything else

  - by RM

  I have this table structure and would like to map it using Fluent Hibernate (subclass if possible). I cannot change the structure because the database has too many records and might cause major applications rework. It would be easier if the Id from Party table was a foreign key in person and organization table, but in the particular scenario the database has person and organization key as a foreign key in party table. Any help would be great. Party table Id PersonId OrganizationId Person table Id FName LName Organization table Id OrgName OrgDescription

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• Using objective-c objects with an NSDictionary

  - by Mark

  I want store a URL against a UILabel so that when a user touches the label it takes them to that URL in a UIWebView. I have declared a NSDictionary like so: NSMutableArray *linksArray = [[NSMutableArray alloc] init]; [linksArray addObject: [NSValue valueWithNonretainedObject: newsItem1ReadMoreLabel]]; [linksArray addObject: [NSValue valueWithNonretainedObject: newsItem2ReadMoreLabel]]; [linksArray addObject: [NSValue valueWithNonretainedObject: newsItem3ReadMoreLabel]]; [linksArray addObject: [NSValue valueWithNonretainedObject: newsItem4ReadMoreLabel]]; [linksArray addObject: [NSValue valueWithNonretainedObject: newsItem5ReadMoreLabel]]; //NSString *ageLink = @"http://www.theage.com.au"; NSArray *defaultLinks = [NSArray arrayWithObjects: @"1", @"2", @"3", @"4", @"5", nil]; self.urlToLinkDictionary = [[NSMutableDictionary alloc] init]; self.urlToLinkDictionary = [NSDictionary dictionaryWithObjects:defaultLinks forKeys:linksArray]; Considering I used a NSValue as the key, how do I get/set the URL associated with that key given that I only have references to the UILabels? this is what I have but it doesn't work: for(NSValue *key in [self.urlToLinkDictionary allKeys]) { if ([key nonretainedObjectValue] == linkedLabel) { [self.urlToLinkDictionary setValue:[newsItem link] forKey: key]; } } but I get an error: "objc_exception_throw" resolved

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• GLib Hash Table - Pointer

  - by Mike

  I'm trying to increment the value of some specific key if it was found. For some reason I keep getting the (pointer) address when I dump all keys:values from the hash table. Output a: 153654132 // should be 5 b: 1 c: 153654276 // should be 3 d: 1 e: 1 f: 153654420 // should be 3 int proc() { struct st stu; gpointer ok, ov; //... some non-related code here if(!g_hash_table_lookup_extended(table, key, &ok, &ov)){ stu.my_int = g_malloc(sizeof(guint)); *(stu.my_int) = 0; g_hash_table_insert(table, g_strdup(key), GINT_TO_POINTER(1)); }else{ stu.my_int = g_malloc(sizeof(guint)); *(stu.my_int)++; g_hash_table_insert(table, g_strdup(key), stu.my_int); } } Any ideas will be appreciate it.

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• GLib Hash Table - Pointer

  - by Mike

  I'm trying to increment the value of some specific key if it was found. For some reason I keep getting the (pointer) address when I dump all keys:values from the hash table. Output a: 153654132 // should be 5 b: 1 c: 153654276 // should be 3 d: 1 e: 1 f: 153654420 // should be 3 int proc() { struct st stu; gpointer ok, ov; //... some non-related code here if(!g_hash_table_lookup_extended(ht, key, &ok, &ov)){ stu.my_int = g_malloc(sizeof(guint)); *(stu.my_int) = 0; g_hash_table_insert(table, g_strdup(key), GINT_TO_POINTER(1)); }else{ stu.my_int = g_malloc(sizeof(guint)); *(stu.my_int)++; g_hash_table_insert(table, g_strdup(key), stu.my_int); } } Any ideas will be appreciate it.

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• Why am I getting a segmentation fault?

  - by Phenom

  If I pass a value greater than 100 as the second argument to BinaryInsertionSort, I get a segmentation fault. int BinarySearch (int a[], int low, int high, int key) { int mid; if (low == high) return low; mid = low + ((high - low) / 2); if (key > a[mid]) return BinarySearch (a, mid + 1, high, key); else if (key < a[mid]) return BinarySearch (a, low, mid, key); return mid; } void BinaryInsertionSort (int a[], int n) { int ins, i, j; int tmp; for (i = 1; i < n; i++) { ins = BinarySearch (a, 0, i, a[i]); if (ins < i) { tmp = a[i]; memmove (a + ins + 1, a + ins, sizeof (int) * (i - ins)); a[ins] = tmp; } } }

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• Make character escape from shot

  - by M28

  Hello all math masters, I got a problem for you: I have a 2D game (top down), and I would like to make the character escape from a shot, but not just walk away from the shot (I mean, don't be pushed by the shot), I want it to have a good dodging skills. The variables are: shotX - shot x position shotY - shot y position shotSpeedX - shot x speed shotSpeedY - shot x speed charX - character x position charY - character y position keyLeft - Set to true to make the character press the to left key keyRight - Set to true to make the character press the to right key keyUp - Set to true to make the character press the to up key keyDown - Set to true to make the character press the down key I can understand the following languages: C/C++ Java Actionscript 2/3 Javascript

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• c# HTTPListener encoding issue

  - by Rob Griffin

  I have a Java application sending HTTP requests to a C# application. The C# app uses HTTPListener to listen for requests and respond. On the Java side I'm encoding the URL using UTF-8. When I send a \ character it gets encoded as %5C as expected but on the C# side it becomes a / character. The encoding for the request object is Windows-1252 which I think may be causing the problem. How do I set the default encoding to UTF-8? Currently I'm doing this to convert the encoding: foreach (string key in request.QueryString.Keys) { if (key != null) { byte[] sourceBytes =request.ContentEncoding.GetBytes(request.QueryString[key]); string value = Encoding.UTF8.GetString(sourceBytes)); } } This handles the non ASCII characters I'm also sending but doesn't fix the slash problem. Examining request.QueryString[key] in the debugger shows that the / is already there.

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• linq to xml. read. and assign to ViewData..noob

  - by raklos

  I have some xml similar to this: <?xml version="1.0" encoding="utf-8" ?> <data> <resources> <resource key="Title">Alpha</resource> <resource key="ImageName">Small.png</resource> <resource key="Desc">blah</resource> </resources> </data> using linq-xml how can i assign each resource here as a key value pair with the ViewData collection. Thanks.

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• Troubleshooting FORM POST problems

  - by brettr

  I'm using the following code to submit to a WCF service. I keep getting an error that the key is invalid. I have a webpage on the same server that I submit the same data (but different key) using a FORM POST. It works fine that way. I put the URL below all in a URL (including valid key from server webpage) and get the key is invalid error. I'm thinking the data I'm submitting through the iPhone isn't really going across as a FORM POST but rather as a URL. Is there anything I may be doing wrong in the following code or any other suggestions? NSString *stringForURL = @"https://abc.com/someservice.aspx"; NSURL *URL=[[NSURL alloc] initWithString:stringForURL]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:URL]; NSString *request_body = [NSString stringWithFormat:@"prop1=value1&key=%@", [@"r2xHEuzgDTQEWA5Xe6+k9BSVrgsMX2mWQBW/39nqT4s=" stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]; NSData *postData = [request_body dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]]; [request setValue:postLength forHTTPHeaderField:@"Content-Length"]; [request setHTTPMethod:@"POST"]; [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"]; [request setHTTPBody:postData]; NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:request delegate:self]; [NSThread sleepForTimeInterval:1]; self.receivedData = [[NSMutableData data] retain];

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• RijndaelManaged: IV Generation?

  - by cam

  I want to implement the most secure, and most reliable form of symmetric key cryptography in my application. The user should input a password to encrypt/decrypt, and that's all. For RijndaelManaged, one must enter a key and an IV. I'm not sure how to address the situation. Right now, I have the entered password being hashed by SHA256 and then being used as the key for the Rijndael. What do I use for the IV? Another password?

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• How to turn off auto_increment in Rails Active Record

  - by Darth

  Is it possible to create primary key without auto_increment flag in ActiveRecord? I can't do create table :blah, :id => false because I want to have primary key index on the column. I looked up documentation but didn't find anything useful. Is it possible to create primary key without auto_increment?

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• .NET: Preserving some, but not all query params during redirect

  - by kasper pedersen

  Hi all, Could someone tell me if the code below would achieve what I want, which is: Check if the query parameters 'return_path' and/or 'user_state' are present in the query string, and if so append them to the query string of the redirect URI. As I'm not a .NET dev and don't have a server to test this on, I was hoping someone could give me some feedback. ArrayList vars = new ArrayList(); vars.Add("return_path"); vars.Add("user_state"); string newUrl = "/new/request/uri" + "?"; ArrayList params = new ArrayList(); foreach ( string key in Request.QueryString ) { if (vars.contains(key)) { params.Add(key + "=" + HttpUtility.URLPathEncode(Request.QueryString[key])); } } String[] paramArr = (String[]) params.ToArray( typeof (string) ); String queryString = String.join("&", paramArr); Response.Redirect(newUrl); Thank you :)

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• How do I Relate these 4 Tables

  - by Baddie

  Trying to setup a simple Thread/Poll table mapping. Here is what I have: Threads table ThreadID (Primary Key/Identity Column) Polls table PollID (Primary Key, FK for ThreadID for one-to-one relation) Question PollOptions table PollOptionID (Identity/Primary Key) Text PollID PollVotes table PollVoteID (Primary Key/Identity) PollOptionID I'm not sure if this is a proper relationship. It seems wrong but I'm not sure whats wrong with it. A Thread can have 0 or 1 Poll. A Poll can have 2 or more PollOptions. A PollOption can have 0 or many PollVotes. I'm going to be using Entity Framework and before I generate the code for it (VS 2010, .NET 4) I want to make sure I have the proper relationship mapping.

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• Query String in Javascript

  - by Ajith

  How can we collect a query string value in javascript. my script is like follows http://192.168.10.5/study/gs.js?id=200 here i want to collect the id value in my gs.js script file. For this i am using function getQuerystring(key, default_) { if (default_==null) default_=""; key = key.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]"); var regex = new RegExp("[\\?&]"+key+"=([^&#]*)"); var qs = regex.exec(window.location.href); if(qs == null) return default_; else return qs[1]; } var string_value = getQuerystring('id'); alert(string_value); But it is not getting..Please anybody can correct me.Please

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• Keyboard for programming

  - by exhuma

  This may seem a bit a tangential topic. It's not directly related to actual code, but is important for our line of work nevertheless. Over the years, I've switched keyboards a few times. All of them had slightly different key layouts. And I'm not talking about the language/locale layout, but the physical layout! Why not the locale layout? Well, quite frankly, that's easy to change via software. I personally have a German keyboard but have it set to the UK layout. Why? It's quite hard to find different layouts in the shops where I live. Even ordering is not always easy in the shops. So that leaves me with Internet shops. But I prefer to "test" my keyboards before buying. The most notable changes are: Mangled "Home Key Block" I've seen this first on a Logitech keyboard, but it may have originated elsewhere. Shape of the "Enter" key I've seen three different cases so far: Two lines high, wider at the top Two lines high, wider at the bottom One line high Shape of the Backspace button I've seen two types so far: One "character" wide Two "characters" wide OS Keys For Macs, you have the Option and Command buttons, for Windows you have the Windows and Context Menu buttons. Cherry even produced a Linux keyboard once (unfortunately I cannot find many details except news results). I assume a dedicated Linux keyboard would sport a Compose key and had the SysRq always labelled as well (note that some standard layouts do this already). Obviously... .. all these differences entail that some keys have to be moved around the board a lot. Which means, if you are used to one and have to work on another one, you happen to hit the wrong keys quite often. As it happens, this is much more annoying for programmers as it is for people who write texts. Mainly because the keys which are moved around are special character keys, often used in programming. Often these hardware layouts depend also indirectly on where you buy the keyboards. Honestly, I haven't seen a keyboard with a one-line "Enter" key in Germany, nor Luxembourg. I may just have missed it but that's how it looks to me at least. A survey I've seen some attempts at surveys in the style "which keyboard is best for programming". But they all - in my opinion - are not using comparable sets. So I was wondering if it was possible to concoct a survey taking the above criteria into account. But ignoring key dimensions that one would be a bit overkill I guess ;) From what I can see there are the following types of physical layout: Backspace: 2-characters wide Enter: 2-Lines, wider top Backspace: 2-characters wide Enter: 1-Line Backspace: 1-character wide Enter: 2-Lines, wider bottom Then there are the other possible permutations (home-key block, os-keys), which in total makes for quite a large list of categories. Now, I wonder... Would anyone be interested in such a survey? I personally would. Because I am looking for the perfect fit for me. If yes, then I could really use the help of anyone here to propose some models to include in the survey. Once I have some models for each category (I'd say at least 3 per category) I could go ahead and write up a survey, put it on-line and let the it collect data for a while. What do you think?

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• Do a query only if there are no results on previous query

  - by yes123

  Hi guys: I do this query(1): (1)SELECT * FROM t1 WHERE title LIKE 'key%' LIMIT 1 I need to do a second(2) query only if this previous query has no results (2)SELECT * FROM t1 WHERE title LIKE '%key%' LIMIT 1 basically i need only 1 row who got the most close title to my key. Atm i am using an UNION query with a custom field to order it and a LIMIT 1. Problem is I don't want to do the others query if already the first made the result. Thanks

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• General many-to-many relationship problem ( Postgresql )

  - by David

  Hi, i have two tables: CREATE TABLE "public"."auctions" ( "id" VARCHAR(255) NOT NULL, "auction_value_key" VARCHAR(255) NOT NULL, "ctime" TIMESTAMP WITHOUT TIME ZONE NOT NULL, "mtime" TIMESTAMP WITHOUT TIME ZONE NOT NULL, CONSTRAINT "pk_XXXX2" PRIMARY KEY("id"), ); and CREATE TABLE "public"."auction_values" ( "id" NUMERIC DEFAULT nextval('default_seq'::regclass) NOT NULL, "fk_auction_value_key" VARCHAR(255) NOT NULL, "key" VARCHAR(255) NOT NULL, "value" TEXT, "ctime" TIMESTAMP WITHOUT TIME ZONE NOT NULL, "mtime" TIMESTAMP WITHOUT TIME ZONE NOT NULL, CONSTRAINT "pk_XXXX1" PRIMARY KEY("id"), ); if i want to create a many-to-many relationship on the auction_value_key like this: ALTER TABLE "public"."auction_values" ADD CONSTRAINT "auction_values_fk" FOREIGN KEY ("fk_auction_value_key") REFERENCES "public"."auctions"("auction_value_key") ON DELETE NO ACTION ON UPDATE NO ACTION NOT DEFERRABLE; i get this SQL error: ERROR: there is no unique constraint matching given keys for referenced table "auctions" Question: As you might see, i want "auction_values" to be be "reused" by different auctions without duplicating them for every auction... So i don't want a key relation on the "id" field in the auctions table... Am i thinking wrong here or what is the deal? ;) Thanks

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• Essence of BiMap in Google collections

  - by littleEinstein

  I am still quite puzzled at the BiMap in Google collections/Guava. It was claimed that The two bimaps are backed by the same data; any changes to one will appear in the other. I browsed through the source code, and I found the use of delegate in ForwardingMap. But in any actually subclass of StandardBiMap, I do see the data are put into both the forward and reverse map. So what is the essence, and why it claims to have saved space by keeping only one copy of the data? Is it just the actual objects are one set, but two distinct sets of references to these objects are still needed, one set maintained in forward map, and the other in reverse map? private V putInBothMaps(K key, V value, boolean force) { boolean containedKey = containsKey(key); if (containedKey && Objects.equal(value, get(key))) { return value; } if (force) { inverse().remove(value); } else if (containsValue(value)) { throw new IllegalArgumentException( "value already present: " + value); } V oldValue = super.put(key, value); updateInverseMap(key, containedKey, oldValue, value); return oldValue; }

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• Good way to edit the previous defined class in ipython

  - by leo

  Hi, I am wondering a good way to follow if i would like to redefine the members of a previous defined class in ipython. say : I have defined a class intro like below, and later i want to redefine part of the function definition _print_api. Any way to do that without retyping it . class intro(object): def _print_api(self,obj): def _print(key): if key.startswith('_'): return '' value = getattr(obj,key) if not hasattr(value,im_func): doc = type(valuee).__name__ else: if value.__doc__ is None: doc = 'no docstring' else: doc = value.__doc__ return ' %s :%s' %(key,doc) res = [_print(element) for element in dir(obj)] return '\n'.join([element for element in res if element != '']) def __get__(self,instance,klass): if instance is not None: return self._print(instance) else: return self._print_api(klass)

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• JSF/Facelets: set `action` attribute to a dynamically evaluated string

  - by harto

  In my JSF/Facelets application, I want to dynamically generate a breadcrumb trail from a list of page IDs using a custom tag: <foo:breadcrumbs trail="foo,bar,baz"/> This should generate something like: <h:commandLink action="foo" ... /> <h:commandLink action="bar" ... /> <!-- (etc.) --> My code looks something like this: <ui:repeat value="#{fn:split(trail, ',')}" var="key"> <h:commandLink action="#{key}" ... /> </ui:repeat> The problem with this code is that #{key} is interpreted as a method binding. However, I just want the string value of #{key} to be returned as the navigation outcome. How can I achieve this? The only thing I could think of was creating a dummy managed-bean that has an outcome field and an action handler, and invoke it like so: <h:commandLink action="#{dummy.click}" ...> <f:setPropertyActionListener target="#{dummy.outcome}" value="#{key}" /> </h:commandLink> with the dummy class defined like so: public class Dummy { private String outcome; public String click() { return outcome; } public void setOutcome(String outcome) { this.outcome = outcome; } public void getOutcome() { return outcome; } } That seems ugly though, and I don't know if it would work.

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• mcrypt decoding errors

  - by Kyle Hudson

  Hi, I have a few issues with the following php functions (part of a bigger class). //encode public function acc_pw_enc($text, $key) { $text_num = str_split($text, 8); $text_num = 8 - strlen($text_num[count($text_num)-1]); for ($i=0; $i < $text_num; $i++) { $text = $text . chr($text_num); } $cipher = mcrypt_module_open(MCRYPT_TRIPLEDES, '', 'cbc', ''); mcrypt_generic_init($cipher, $key, 'fYfhHeDm'); $decrypted = mcrypt_generic($cipher, $text); mcrypt_generic_deinit($cipher); return base64_encode($decrypted); } //decode public function acc_pw_dec($encrypted_text, $key) { $cipher = mcrypt_module_open(MCRYPT_TRIPLEDES, '', 'cbc', ''); mcrypt_generic_init($cipher, $key, 'fYfhHeDm'); $decrypted = mdecrypt_generic($cipher, base64_decode($encrypted_text)); mcrypt_generic_deinit($cipher); $last_char = substr($decrypted, -1); for($i=0; $i < 8-1; $i++) { if(chr($i) == $last_char) { $decrypted = substr($decrypted, 0, strlen($decrypted)-$i); break; } } return rtrim($decrypted); //str_replace("?", "", $decrypted); } So for exampe if i encrypt the string 'liloMIA01' with the salt/key 'yBevuZoMy' i will get '7A30ZkEjYbDcAXLgGE/6nQ=='. I get liloMIA01 as the decrypted value, i tried using rtrim but it didn't work.

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• How can I optimize the import of this dataset in mysql?

  - by GeoffreyF67

  I've got the following table schema: CREATE TABLE `alexa` ( `id` int(10) unsigned NOT NULL, `rank` int(10) unsigned NOT NULL, `domain` varchar(63) NOT NULL, `domainStatus` varchar(6) DEFAULT NULL, PRIMARY KEY (`rank`), KEY `domain` (`domain`), KEY `id` (`id`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 It takes several minutes to import the data. To me that seems rather slow as we're only talking about a million rows of data. What can I do to optimize the insert of this data? (already using disable keys) G-Man

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