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  • Initializing new instances of a class in a loop, how can I persist an assignment to an event handler

    - by Pydroid
    This is a follow on question from http://stackoverflow.com/questions/3020960/why-is-my-prototype-function-not-returning-the-property-of-the-instance $.getJSON(myjson, function(data) { var json = data; for (i in json) { juuvies[i] = new Juuvy(i,json[i], font, keyfontsize, valfontsize, orbcol, orbkeycol, orbvalcol, paper); juuvies[i].juuv_it(); var mykey = juuvies[i].init_nodes(); juuvies[i].orb.node.onmouseover = function() { console.log(mykey);}; } }); And my init_nodes function, Juuvy.prototype.init_nodes = function() { return this.key; } At this point of time, I get only the last key in the loop, instead of a unique pass each time. Is there a way I can persist the assignment for the event handler?

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  • Multimap Space Issue: Guava

    - by Arpssss
    In my Java code, I am using Guavas Multimap (com.google.common.collect.Multimap) by using this: Multimap< Integer, Integer Index = HashMultimap.create() Here, Multimap key is some portion of URL and value is another portion of URL (converted into integer). Now, I assign my JVM 2560 Mb (2.5 GB) heap space (by using Xmx and Xms). However, it can only store 9 millions of such (key,value) pairs of integers (approx 10 million). But, theoretically (according to memory occupied by int) it should store more. Can anybody help me, 1) Why is this happening (means Multimap is taking lots of space) ? I checked my code with out inserting pairs in Multimap, it takes only 1/2 MB space. 2) Is there any other way or home-baked solution to solve this space issue ? More clearly, how to solve this memory issue ? Thanks in advance and any idea is perfectly OK for me.

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  • NoSQL replacement for memcache

    - by Juan Antonio Gomez Moriano
    We are having a situation in which the values we store on memcache are bigger than 1MB. It is not possible to make such values smaller, and even if there was a way, we need to persist them to disk. One solution would be to recompile the memcache server to allow say 2MB values, but this is either not clean nor a complete solution (again, we need to persist the values). Good news is that We can predict quite acurately how many key/values pair we are going to have We can also predict the total size we will need. A key feature for us is the speed of memcache. So question is: is there any noSQL replacement for memcache which will allow us to have values longer than 1MB AND store them in disk without loss of speed? In the past I have used tokyotyrant/cabinet but seems to be deprecated now. Any idea?

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  • I'm trying to implement 2 factor authentication on the cheap. How would I do that?

    - by Biff MaGriff
    Ok so I need 2 of the 3. Something the user knows. Something the user has. Something the user is. I have a system that is exposed to the internet and we need clients to connect in a secure manner to satisfy our security standards. I'm thinking when a user registers to use our system we send them an application that they install on their home system. The application generates a key based on a timed randomness algorithm. Our application server has the same algorithm so when the user submits their credentials with the key we know that they are a legitimate user. Is this a valid method of 2 factor authentication? What is another way of doing this? Are there any pitfalls that I should be aware of? Thanks for your help!

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  • How to change the image by click keyboard arrows?

    - by Nitz
    Hey Guys, I have made one project in java. Now in this particular module, i am showing the user , so i am showing them a stock inventory. Now for doing this. As you will see in the screen shot [ i have put screenshot so you can understand well ]. To show the images , i have made one table and i have put labels in that and then i am setting the icon at the label. Now as soon as user click on the any image, then that image i put on big label. But this works perfect on mouse click but client want that , if user navigate the by keyboard arrow keys then in same should be happen. Means : User navigate by key board then it should reflect on that table [user should know that which is currently seleted ] and then as soon as the user navigate by key board arrow events and then click enter then that image should reflect on big label. Here is the Link for that screenshot.

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  • Link a sequence with to an identity in hsqldb

    - by Candy Chiu
    In PostgreSql, one can define a sequence and use it as the primary key of a table. In HsqlDB, one can still accomplish creating an auto-increment identity column which doesn't link to any user defined sequence. Is it possible to use a user defined sequence as the generator of an auto-increment identity column in HsqlDB? Sample sql in PostgreSql: CREATE SEQUENCE seq_company_id START WITH 1; CREATE TABLE company ( id bigint PRIMARY KEY DEFAULT nextval('seq_company_id'), name varchar(128) NOT NULL CHECK (name < '') ); What's the equivalent in HsqlDB? Thanks.

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  • Java Hibernate Lazy=false

    - by Noor
    When setting Lazy=false, then hibernate will automatically loads the objects into the required sets e.g. <set name="Options" table="ATTRIBUTEOPTION" inverse="false" cascade="all" lazy="false"> <key> <column name="ATTRIBUTEID" /> </key> <one-to-many class="com.BiddingSystem.Models.AttributeOption" /> </set> but if in my xml mapping, I place lazy=true and in some place in my application i decide that i want to load all attribute options, should i do it manually, or is there a technique which lets tells hibernate that now i want to set lazy=false??

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  • Produce a script to hit Google once a day and log our position in the results?

    - by hawbsl
    The need has arisen within our organisation to monitor (on a daily basis) where our site appears (both organic and PPC) on the page 1 of Google. Also where a key competitor appears. For certain key words. In the immediate short term a colleague is doing this by hitting Google manually and jotting down the results. Yep. It occurs to us we can write a script (e.g. using C#) to do this. I know Analytics will tell us an awful lot but it doesn't note the competitor's position, plus I don't think it has other data we want. Question is, is there an existing basic tool which does this (for free, I guess)? And if we write it ourselves, where to start and are there obvious pitfalls to avoid (for example can Google detect and block automated requests?)

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  • elisp: call command on current file

    - by Jasie
    Hello, I want to set a key in emacs to perform a shell command on the file in the buffer, and revert the buffer without prompting. The shell command is: p4 edit 'currentfilename.ext' (global-set-key [\C-E] (funcall 'revert-buffer 1 1 1)) ;; my attempt above to call revert-buffer with a non-nil ;; argument (ignoring the shell command for now) -- get an init error: ;; Error in init file: error: "Buffer does not seem to be associated with any file" Completely new to elisp. From the emacs manual, here is the definition of revert-buffer: Command: revert-buffer &optional ignore-auto noconfirm preserve-modes Thanks!

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  • insert into several inheritance tables with OUTPUT - sql servr 2005

    - by csetzkorn
    Hi, I have a bunch of items – for simplicity reasons – a flat table with unique names seeded via bulk insert: create table #items ( ItemName NVARCHAR(255) ) The database has this structure: create table Statements ( Id INT IDENTITY NOT NULL, Version INT not null, FurtherDetails varchar(max) null, ProposalDateTime DATETIME null, UpdateDateTime DATETIME null, ProposerFk INT null, UpdaterFk INT null, primary key (Id) ) create table Item ( StatementFk INT not null, ItemName NVARCHAR(255) null, primary key (StatementFk) ) Here Item is a child of Statement (inheritance). I would like to insert items in #items using a set based approach (avoiding triggers and loops). Can this be achieved with OUTPUT in my scenario. A ‘loop based’ approach is just too slow where I use something like this: insert into Statements (Version, FurtherDetails, ProposalDateTime, UpdateDateTime, ProposerFk, UpdaterFk) VALUES (1, null, getdate(), getdate(), @user_id, @user_id) etc. This is a start for the OUTPUT based approach – but I am not sure whether this would work in my case as ItemName is only inserted into Item: insert into Statements ( Version, FurtherDetails, ProposalDateTime, UpdateDateTime, ProposerFk, UpdaterFk ) output inserted.Id ... ??? Thanks. Best wishes, Christian

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  • Mac OS X Lion no longer recognizes environment.plist?

    - by Michael Irwin
    Just installed Lion today and my PATH env variable is no longer being set by ~/.MacOSX/environment.plist. Did something change? Can't seem to find any info on that or how to fix. Any ideas? Here's the contents of the PLIST: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>PATH</key> <string>/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:/usr/X11/bin:/Users/mdi/bin</string> </dict> </plist>

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  • Design ideas for a versioned db schema with related tables also versioned

    - by vfilby
    Here is the drill, I want to version a database. I have done this before using multiple rows where the table primary key becomes a combination of the row id and either a datestamp or a version #. Now I want to version a table that depends on many other small tables. Versioning each table will be a giant PITA, so I am looking for good options to verion a schema where the data to be versioned spreads over multiple tables. All related tables are properly keyed with foreign key relationships. The database is currently on Sql Server 2005.

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  • Best way to set a default button (or trigger its event in javascript) for an input field, not part of a form

    - by Sheldon Pinkman
    I've got a stand-alone input field, not part of any form. I also got a button, that has some onclick event. When I type something in the input field, and press the Enter key, I want it do effectively press the button, or trigger its onclick event. So that the button is "the input field's default button" so to speak. <input id='myText' type='text' /> <button id='myButton' onclick='DoSomething()'>Do it!</button> I guess I can mess around with the input field's onkeypress or onkeydown events and check for the Enter key, etc. But is there a more 'clean' way, I mean something that associated the button with that input field, so that the button is the 'default action' or something for that field? Note that I'm not inside a form, I am not sending, posting, or submitting something. The DoSomething() function just changes some of the HTML content locally, depending on the text input.

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  • Java: How to I change the color of a specific line or row of string in a Text area?

    - by Kevin
    Hi all, the one way I could change the color is by setForground(). However when there are multiple lines of code it makes everything green or black. Is there another method or any way of solving this problem? Thanks! int key = evt.getKeyCode(); if (key == KeyEvent.VK_ENTER) { String tb1EnterdValue = tb1.getText().toString(); if((tb1EnterdValue.equals("yes")) ) { TextArea1.setForeground(Color.green); else { TextArea1.setForeground(Color.lightGray); } this.TextArea1.append(">"+tb1EnterdValue+newline); this.tb1.setText("");

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  • A better understanding of the relations beetween database tables

    - by Nistor Alexandru
    Hi I am trying to get a better understanding of relational databases and there is something that I keep bumping into and don't understand.Let's take this two tables: In this case Login.ID is the primary key with auto_increment set and Profile.ID_LOGIN is the Foreign KEY.When a user is created and it's username and password is stored in the login database does the ID coresponding to the curesnt username and password get automaticly added into ID_LOGIN or do I have to create an SQL statement to do this? If I have to create a SQL statement how should I aproach adding the ID_LOGIN to make sure I am adding it corectly?

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  • c# Lambda Expression built with LinqKit does not compile

    - by Frank Michael Kraft
    This lambda does not compile, but I do not understand why. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Linq.Expressions; using LinqKit; namespace ConsoleApplication2 { class Program { static void Main(string[] args) { var barModel = new BarModel(); string id = "some"; Console.WriteLine(barModel.subFor(id).ToString()); // output: m => (True AndAlso (m.key == value(ConsoleApplication2.Bar`1+<>c__DisplayClass0[ConsoleApplication2.Model]).id)) Console.ReadKey(); var subworkitems = barModel.list.Where(barModel.subFor(id).Compile()); // Exception {"variable 'm' of type 'ConsoleApplication2.Model' referenced from scope '', but it is not defined"} Console.WriteLine(subworkitems.ToString()); Console.ReadKey(); } } class Bar<TModel> { public Bar(Expression<Func<TModel, string>> foreignKeyExpression) { _foreignKeyExpression = foreignKeyExpression; } private Expression<Func<TModel, string>> _foreignKeyExpression { get; set; } public Expression<Func<TModel, bool>> subFor(string id) { var ex = forTargetId(id); return ex; } public Expression<Func<TModel, bool>> forTargetId(String id) { var fc = _foreignKeyExpression; Expression<Func<TModel, bool>> predicate = m => true; var result = predicate.And(m => fc.Invoke(m) == id).Expand(); return result; } } class Model { public string key; public string value; } class BarModel : Bar<Model> { public List<Model> list; public BarModel() : base(m => m.key) { list = new List<Model>(); } } }

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  • Outlook Macro to Search

    - by Corpa Loom
    What's the best way to automate this function? I want to be able to do this in Outlook 2010, (1)select a specific mail account (2)Key in a folder that I am looking for (3)Then have the macro/program fire off an "*" asterisk (4)Then insert the text that I keyed in step one. I am trying to automate the search for a folder hot-keys that already exist. My problem is that I can't type the folder that I am looking for fast enough and all the search programs that I have used are far too slow. The hot-key search is awesome and super fast, I just can't type the folder that I am looking for fast enough. Can this process be automated? And I can't use this code, it is far too slow: http://www.vboffice.net/sample.html?mnu=2&smp=82&cmd=showitem&lang=en

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  • How to get the text with in the datatemplate?

    - by rakish
    I have used below code <DataTemplate x:Key="myTemplate"> <TextBlock Text="Hi"></TextBlock> </DataTemplate> in this case i can able to get the textblock text by using below code DataTemplate myTemplate = this.Resources["myTemplate"] as DataTemplate; TextBlock rootElement = myTemplate.LoadContent() as TextBlock; //I can get the text "rootElement.text " but when i use binding means i cant able to get the text <DataTemplate x:Key="myTemplate"> <TextBlock Text="{Binding EmployeeName}"></TextBlock> </DataTemplate>

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  • Input multiple file names in windows open file dialog box

    - by goodiet
    Windows 7 allows you to select multiple files to open at once by using ctrl or shift key. The "File Name" input field at the bottom of the dialog box would auto populate with the following sample: "aaa.txt" "bbb.txt" "ccc.txt" "ddd.txt" I have 14,000 files in a folder and I only need a range of files (approx 500). When I use the shift key to select a range of files, the "File Name" field auto populates all 500 file names. Windows would cut me off at the 260th character when I try to paste in a pre-generated string into the "File Name" field. Is there a way to bypass the 260 character limit so it would accept my entire string with 500 file names?

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  • symfony 1.4 embedForm not returning all embedded forms

    - by Patrick
    I have a form with multiple embedded forms and symfony is not binding all the embedded forms. The layout is a m-to-m layout: activity: id: link: id: activity_id: FOREIGN KEY to activity table other_data_id: FOREIGN KEY to other_data table other_data: id: For instance I have 7 identical embedded forms iterated at the end of each name (ie- form_1, form_2, ..., form_7). With the new and edit forms all the 7 fields display properly, but when I submit the form, the embedded forms after a certain number just aren't in the embedded forms array of the sfForm. I have two different embedded forms, the first form stops binding at 5 and the second form stops binding at 4. I've looked at the array of posted values through $request->getPostParameters(); and all the fields are there. If I manually enter the data into the database, the binding works without a problem. Any ideas would be greatly appreciated!

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  • Logging out of Facebook invalidates offline_access token

    - by Mike Pateras
    I'm getting an offline access token like this: https://graph.facebook.com/oauth/access_token?scope=offline_access&client_id=MYCLIENTID&redirect_uri=MYREDIRECTURI&client_secret=MYSECRET&code=MYCODE obviously the MYCLIENTID and stuff have been changed for the sake of this post. Anyway, as soon as the user logs out of facebook, the key seems to no longer be valid. Am I not requesting offline_access properly (there's still an "expires" value on it, should there be if it is actually getting offline access), or is that just how it works? If it's the latter, how can I get a key that will persist, regardless of if the user logs out of facebook? I'm sure this is possible, because Tweetdeck can still write to Facebook, even though I'm currently logged out.

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  • Parse youtube links PHP

    - by Isis
    Hello 34|http://v19.lscache8.c.youtube.com/videoplayback?ip=0.0.0.0&sparams=id,expire,ip,ipbits,itag,algorithm,burst,factor,oc:U0dWRlZUVF9FSkNNNl9OTlhF&fexp=902210&algorithm=throttle-factor&itag=34&ipbits=0&burst=40&sver=3&expire=1271696400&key=yt1&signature=583C4A85FA65B6B9782B8B4B5E1F1C08D9EADCA3.5B28033470580BC52EB92A1CB71DBAFE0C4A2A8D&factor=1.25&id=cf3cec58d98073dc,5|http://v24.lscache4.c.youtube.com/videoplayback?ip=0.0.0.0&sparams=id,expire,ip,ipbits,itag,algorithm,burst,factor,oc:U0dWRlZUVF9FSkNNNl9OTlhF&fexp=902210&algorithm=throttle-factor&itag=5&ipbits=0&burst=40&sver=3&expire=1271696400&key=yt1&signature=7B74075BAA26B05A028B2219FD52D7A45197F555.A8878413DC7BB3FFAB0C9219CBD3FCDD7221B440&factor=1.25&id=cf3cec58d98073dc How to parse this text for: 34 http://... (before ,5|) 5 http://... to end Previously it was done so: if (preg_match_all('#|(.*?),#', $urlmap, $b)) { } Sorry for baaaaad english

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  • Enums,use in switch case

    - by WPS
    Hi, I have an Enum defined which contains method return type like "String",Float,List,Double etc. I will be using it in switch case statements. For example my enum is public enum MethodType { DOUBLE,LIST,STRING,ARRAYLIST,FLOAT,LONG; } In a property file, I've key value pairs as follows. Test1=String Test2=Double In my code I'm getting the value for the key. I need to use the VALUE in Switch Case to Determine the Type and based on that I've to implement some logic. For example something like this switch(MethodType.DOUBLE){ case DOUBLE: //Dobule logic } Can someone please help me to implement this?

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  • mysql select query optimization

    - by Saharsh Shah
    I have two table testa & testb. CREATE TABLE `testa` ( `id` INT(10) NOT NULL AUTO_INCREMENT, `name` VARCHAR(50) DEFAULT NULL, PRIMARY KEY (`id`) ); CREATE TABLE `testb` ( `id` INT(10) NOT NULL AUTO_INCREMENT, `name` VARCHAR(50) DEFAULT NULL, `aid1` INT(10) DEFAULT NULL, `aid2` INT(10) DEFAULT NULL, `aid3` INT(10) DEFAULT NULL, PRIMARY KEY (`id`) ); Currently I am running below query for retrieving all rows where id in testa table matches with any columns of aid1,aid2,aid3 in tableb. The query is retreiving acurate result but it is taking minimum 30 seconds to execute which is too much. I have also tried to optimise my query using UNION but failed to do so. SELECT a.id, a.name, b.name, b.id FROM testb b INNER JOIN testa a ON b.aid1 = a.id OR b.aid2 = a.id OR b.aid3 = a.id ; How do i optimize my query so it's total execution time is within 2-3 seconds? Thanks in advance...

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