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  • Under what circumstances does Groovy use AbstractConcurrentMap?

    - by Electrons_Ahoy
    (Specifically, org.codehaus.groovy.util.AbstractConcurrentMap) While doing some profiling of our application thats mixed Java/Groovy, I'm seeing a lot of references to the AbstractConcurrentMap class, none of which are explicit in the code base. Does groovy use this class when maps are instantiated in the groovy dynamic def myMap = [:] style? Are there rules somewhere about when groovy chooses to use this as opposed to, say, java.util.HashMap? And does anyone have any performance information comparing the two? My rough "eyeball check" says that AbstractConcurrentMap seems to be much slower - anyone know if I'm right?

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  • How do I get access to object being described?

    - by Bill T
    If I have an example such as the following: describe "A flux capacitor" do it "should flux a lot" do # how can I access the string object "A flux capacitor" in here??? ... end end How can I access the described string object "A flux capacitor"? I've tried a few permutations of 'described_type' and 'described_class' Such as: self.described_type.to_s But these always return nothing. What am I doing wrong? Thanks, -Bill

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  • oprofile unable to produce call graph

    - by aaa
    hello I am trying to use oprofile to generate call graph. Compiler is g++, platform is linux x86-64, linker is gfortran C++ code is compiled with -fno- omit-frame-pointer. oprofile is started with --callgraph=25. report I run with --callgraph. the call graph is produced but it's only includes self time, which is not much use what am I missing?

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  • iPhone. About action target again.

    - by Siegfried
    This line of code is in AController.m UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addItem)]; And -(void)addItem is also in AController.m If I want to call a method -(void)addItem1 in BController.m, how can I change to make it work? What should I pass to the target parameter? Many thanks!

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  • Working with friends. Poor career choice?

    - by a_person
    Hi all, Hope you can help me solve somewhat of a moral dilemma. Some time ago, after just a few years of living in U.S. and having to take any job I could get my hands on a friend of mine submitted recommended me for an open position at the company that he was working for. I could have not been happier. I do not have a degree of any sort, however, by being passionate about CS and with constant drive for self education I've became a somewhat of a strong generalist. Every place I worked for recognized me for that quality and used me on various projects where set of technology in hand had no overlap with set of knowledge of the team members. Rapidly I've advanced to Sr. Programmer position and the trend of me following a friend from one place to another have started and continued on for a few years. My friend's goal always been to become an IT Director, mine is to become the best programmer I can be. To my knowledge I've accommodated his goals as much as I could by taking a back seat, and letting him take the lead. Fast forward to today. He's a manager, and I am on his team. I am unhappy and I in considerable amount of suffering. I am not being utilized to my potential, it's almost exact opposite, I am being micromanaged to an unhealthy extent, my decisions, and suggestions are constantly met with negative connotation. Last week I had to hear about how my friend is a better programmer than I am. My ego was ecstatic about this one /s. In addition to that working in the field of BI have exhausted itself for most parts. The only pleasure of my work is being derived from making everything as dynamic and parameter driven as possible. This is the only area where a friend of mine does not feel competent enough to actually micromanage. Because of my situation I feel a fair amount of guilt and ever growing resentment. I need your advice, maybe you've dealt with this expression of ego before, needs of self vs the needs of your friend. Is working with a friend a poor choice? Thank you for reading in.

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  • IPhone avcomposition issue

    - by user346443
    Hi, Im trying to create a video that shows two videos one after the other using avcomposition on the iphone. This code works, however i can only see one of the videos for the entire duration of the newly created video - (void) startEdit{ AVMutableComposition* mixComposition = [AVMutableComposition composition]; NSString* a_inputFileName = @"export.mov"; NSString* a_inputFilePath = [NSTemporaryDirectory() stringByAppendingPathComponent:a_inputFileName]; NSURL* a_inputFileUrl = [NSURL fileURLWithPath:a_inputFilePath]; NSString* b_inputFileName = @"output.mov"; NSString* b_inputFilePath = [NSTemporaryDirectory() stringByAppendingPathComponent:b_inputFileName]; NSURL* b_inputFileUrl = [NSURL fileURLWithPath:b_inputFilePath]; NSString* outputFileName = @"outputFile.mov"; NSString* outputFilePath = [NSTemporaryDirectory() stringByAppendingPathComponent:outputFileName]; NSURL* outputFileUrl = [NSURL fileURLWithPath:outputFilePath]; if ([[NSFileManager defaultManager] fileExistsAtPath:outputFilePath]) [[NSFileManager defaultManager] removeItemAtPath:outputFilePath error:nil]; CMTime nextClipStartTime = kCMTimeZero; AVURLAsset* a_videoAsset = [[AVURLAsset alloc]initWithURL:a_inputFileUrl options:nil]; CMTimeRange a_timeRange = CMTimeRangeMake(kCMTimeZero,a_videoAsset.duration); AVMutableCompositionTrack *a_compositionVideoTrack = [mixComposition addMutableTrackWithMediaType:AVMediaTypeVideo preferredTrackID:kCMPersistentTrackID_Invalid]; [a_compositionVideoTrack insertTimeRange:a_timeRange ofTrack:[[a_videoAsset tracksWithMediaType:AVMediaTypeVideo] objectAtIndex:0] atTime:nextClipStartTime error:nil]; nextClipStartTime = CMTimeAdd(nextClipStartTime, a_timeRange.duration); AVURLAsset* b_videoAsset = [[AVURLAsset alloc]initWithURL:b_inputFileUrl options:nil]; CMTimeRange b_timeRange = CMTimeRangeMake(kCMTimeZero, b_videoAsset.duration); AVMutableCompositionTrack *b_compositionVideoTrack = [mixComposition addMutableTrackWithMediaType:AVMediaTypeVideo preferredTrackID:kCMPersistentTrackID_Invalid]; [b_compositionVideoTrack insertTimeRange:b_timeRange ofTrack:[[b_videoAsset tracksWithMediaType:AVMediaTypeVideo] objectAtIndex:0] atTime:nextClipStartTime error:nil]; AVAssetExportSession* _assetExport = [[AVAssetExportSession alloc] initWithAsset:mixComposition presetName:AVAssetExportPresetLowQuality]; _assetExport.outputFileType = @"com.apple.quicktime-movie"; _assetExport.outputURL = outputFileUrl; [_assetExport exportAsynchronouslyWithCompletionHandler: ^(void ) { [self saveVideoToAlbum:outputFilePath]; } ]; } - (void) saveVideoToAlbum:(NSString*)path{ if(UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(path)){ UISaveVideoAtPathToSavedPhotosAlbum (path, self, @selector(video:didFinishSavingWithError: contextInfo:), nil); } } - (void) video: (NSString *) videoPath didFinishSavingWithError: (NSError *) error contextInfo: (void *) contextInfo { NSLog(@"Finished saving video with error: %@", error); } I've posted the whole code as it may help someone else. Shouldn't nextClipStartTime = CMTimeAdd(nextClipStartTime, a_timeRange.duration); [b_compositionVideoTrack insertTimeRange:b_timeRange ofTrack:[[b_videoAsset tracksWithMediaType:AVMediaTypeVideo] objectAtIndex:0] atTime:nextClipStartTime error:nil]; add the second video to the end of the first Cheers

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  • How to replace a multipart message schema in a map without replacing the map

    - by BizTalkMama
    I have an orchestration map that maps two source messages into one destination message. When the schema for one of the source messages changes, I was hoping to be able to click on the input message part and select "Replace Schema" to refresh the schema for just the message part affected. Instead I can only replace the entire multipart message schema with the single message part schema. My only other option seems to be to generate a new map from the orchestration transform shape, but this means I have to recreate all the links in my map... Does anyone know of a more efficient way to update this type of schema?

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  • python mock patch : a method of instance is called?

    - by JuanPablo
    In python 2.7, I have this function from slacker import Slacker def post_message(token, channel, message): channel = '#{}'.format(channel) slack = Slacker(token) slack.chat.post_message(channel, message) with mock and patch, I can check that the token is used in Slacker class import unittest from mock import patch from slacker_cli import post_message class TestMessage(unittest.TestCase): @patch('slacker_cli.Slacker') def test_post_message_use_token(self, mock_slacker): token = 'aaa' channel = 'channel_name' message = 'message string' post_message(token, channel, message) mock_slacker.assert_called_with(token) how I can check the string use in post_message ? I try with mock_slacker.chat.post_message.assert_called_with('#channel') but I get AssertionError: Expected call: post_message('#channel') Not called

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  • devise register confirmation

    - by mattherick
    hello! i have a user and an admin role in my project. i created my authentification with devise, really nice and goot tool for handling the authentification. in my admin role i don´t have any confirmation or something like that. it is really simple and doesn´t make problems. but in my user model i have following things: model: devise :database_authenticatable, :confirmable, :recoverable, :rememberable, :trackable, :validatable, :timeoutable, :registerable # Setup accessible (or protected) attributes for your model attr_accessible :email, :username, :prename, :surname, :phone, :street, :number, :location, :password, :password_confirmation and few validations, but they aren´t relevant this time. my migration looks like following one: class DeviseCreateUsers < ActiveRecord::Migration def self.up create_table(:users) do |t| t.database_authenticatable :null = false t.confirmable t.recoverable t.rememberable t.trackable t.timeoutable t.validateable t.string :username t.string :prename t.string :surname t.string :phone t.string :street t.integer :number t.string :location t.timestamps end add_index :users, :email, :unique => true add_index :users, :confirmation_token, :unique => true add_index :users, :reset_password_token, :unique => true add_index :users, :username, :unique => true add_index :users, :prename, :unique => false add_index :users, :surname, :unique => false add_index :users, :phone, :unique => false add_index :users, :street, :unique => false add_index :users, :number, :unique => false add_index :users, :location, :unique => false end def self.down drop_table :users end end into my route.rb I added following statements: map.devise_for :admins map.devise_for :users, :path_names = { :sign_up = "register", :sign_in = "login" } map.root :controller = "main" and now my problem.. if I register a new user, I fill in all my data in the register form and submit it. After that I get redirected to the controller main with the flash-notice "You have signed up successfully." And I am logged in. But I don´t want to be logged in, because I don´t have confirmed my new user account yet. If I open the console I see the last things in the logs and there I see the confirmation-mail and the text and all stuff, but I am already logged in... I can´t explain why, ... does somebody of you have an idea? If I copy out the confirmation-token from the logs and confirm my account, I can log in, but if I don´t confirm, I also can log in..

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  • ios how can user cancel facebook sign in?

    - by Jackson
    When a user gets to this screen, there is no way to cancel out of it. What can I do? To get this view in the first place I am running: NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys: vid, @"link", vid, @"source", vid, @"picture", @"My Place", @"name", @"YouTube Presentation", @"caption", title, @"description", @"Enjoy this Video", @"message", nil]; [app.facebook dialog:@"stream.publish" andParams:params andDelegate:self];

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  • How to define RequestMapping prioritization

    - by James Skidmore
    I have a situation where I need the following RequestMapping: @RequestMapping(value={"/{section}"}) ...method implementation here... @RequestMapping(value={"/support"}) ...method implementation here... There is an obvious conflict. My hope was that Spring would resolve this automatically and map /support to the second method, and everything else to the first, but it instead maps /support to the first method. How can I tell Spring to allow an explicit RequestMapping to override a RequestMapping with a PathVariable in the same place? (Edit - this is simplified, I know that having those two RequestMapping alone wouldn't make much sense)

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  • Cant change text in custom cell

    - by darkman
    I created a custom cell to display a text a two images, when the user select the cell, the image is suposed to change, i can acess the properties of the cell, but cant change then : - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { [tableView deselectRowAtIndexPath:indexPath animated:YES]; CustomCell *cell = (CustomCell *)[self.tableView cellForRowAtIndexPath:indexPath]; cell.check.image = setImage:[UIImage imageNamed:@"1355327732_checkbox-checked"]; [cell.check setImage:[UIImage imageNamed:@"1355327732_checkbox-checked"]]; } cell.check is a UIImageView Am i missing something?

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  • jRuby's Float to represent in JTable's cell

    - by guai
    Hello. I need to represent floats in jTable formatted. When I do tbl.model.add_row [obj, 1.3524632478].to_java, obj is represented as it's to_s method's return value, but float do not. Overriding float's to_s method does nothing. I want floats to be formatted like this class Float def to_s sprintf("%.2f", self) end end in all my tables.

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  • SSL question java web application

    - by Nitesh Panchal
    Hello, I configure my web application to use SSL using my own self signed certificate. Everything is working fine but here my whole site is https now as i used :- <transport-guarantee>CONFIDENTIAL</transport-guarantee> However, i only want my login page to use SSL and not complete site. What changes do i need to make in my application? Thanks in advance :)

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  • Partitioning requests in code among several servers

    - by Jacques René Mesrine
    I have several forum servers (what they are is irrelevant) which stores posts from users and I want to be able to partition requests among these servers. I'm currently leaning towards partitioning them by geographic location. To improve the locality of data, users will be separated into regions e.g. North America, South America and so on. Is there any design pattern on how to implement the function that maps the partioning property to the server, so that this piece of code has high availability and would not become a single point of failure ? f( Region ) -> Server IP

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  • How do i structure my SQL Database (tables, Schemas, users, stored procedures etc.) to prepare it fo

    - by AlexRednic
    I think the title is self explanatory. What I'm looking for is material so I can further my knowledge. I've never developed a full application before so building one from scratch is a bit overwhelming for me. And the first bump in the road is the database. Websites, articles, books, elaborate answers, anything will do as long as they keep me on the right track. Thanks

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  • How do I restrict foreign keys choices to related objects only in django

    - by Jeff Mc
    I have a two way foreign relation similar to the following class Parent(models.Model): name = models.CharField(max_length=255) favoritechild = models.ForeignKey("Child", blank=True, null=True) class Child(models.Model): name = models.CharField(max_length=255) myparent = models.ForeignKey(Parent) How do I restrict the choices for Parent.favoritechild to only children whose parent is itself? I tried class Parent(models.Model): name = models.CharField(max_length=255) favoritechild = models.ForeignKey("Child", blank=True, null=True, limit_choices_to = {"myparent": "self"}) but that causes the admin interface to not list any children.

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  • Create a ASP.NET Generic gridview

    - by harold-sota
    I wont to create a User Control based in gridview that have the edit add delete incorporate, the problem is these: In the admin part of my web site i have to repeat the same action for view add delete update the data for different datasource. I wont to create a generic gridview that have incorporate these action. The gridview can take a xml file for configure him self dependently of the request for desplay the data. Any ideas how i can do it?

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  • RODBC sqlSave and column names

    - by waanders
    I've a question about using sqlSave. How maps RODBC data in the data frame to the database table columns? If I've a table with columns X and Y and a data frame with columns X and Y, RODBC puts X into X and Y into Y (I found out by trail-and-error). But can I explicitly tell R how to map data.frame columns to database table columns, like put A in X and B in Y. I'm rather new to R and think the RODBC manual is a bit cryptic. Nor can I find an example on the internet.

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  • Where do you extend classes in your rails application?

    - by ro
    Just about to extend the Array class with the following extension: class Array def shuffle! size.downto(1) { |n| push delete_at(rand(n)) } self end end However, I was wondering where a good place to keep these sort of extensions. I was thinking environment.rb or putting in its own file in the initializers directory.

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  • UIStoryboard load from app delegate

    - by Alessandro
    I am trying to load a UIStoryboard from the app delegate .m in this way: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { UIStoryboard *storybord = [UIStoryboard storyboardWithName:@"MainStoryboard_iPhone" bundle:[NSBundle mainBundle]]; UIViewController *vc =[storybord instantiateInitialViewController]; [self.window addSubview:vc.view]; return YES; } What is the problem with this code?? any idea?

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  • When learning C, should one only refer to resources published from 2007 onward?

    - by Adam Siddhi
    I ask this question because the international standardization subcommittee for programming languages, or ISO/IEC JTC1/SC22 Programming languages, states on this page: http://www.open-std.org/JTC1/SC22/WG14/www/standards that Technical Corrigendum 3, the latest one, was published in 2007. Now I take it that this means the C language it self was changed and that the books and tutorials pre-2007 may contain outdated information. Please correct me if I am wrong. Thanks, Adam

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  • WPF ControlTemplate and Binding

    - by Vinjamuri
    In the below code, MousePressImage is a dependency property of class ButtonControl. The following Binding doesn't work.. Appreciate your help in solving this issue.. Value="{Binding RelativeSource={x:Static RelativeSource.Self}, Path=MousePressImage}"/> -- I create the ButtonControl like this. <local:ButtonControl Height="48" Width="160" MouseOverImage="pack://application:,,,/Recipe_06_13;component/Resources/Over.bmp" MousePressImage="pack://application:,,,/Recipe_06_13;component/Resources/Press.bmp" DisableImage=" "> </local:ButtonControl>

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