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  • Is "map" a loop?

    - by DVK
    While answering this question, I came to realize that I was not sure whether Perl's map can be considered a loop or not? On one hand, it quacks/walks like a loop (does O(n) work, can be easily re-written by an equivalent loop, and sort of fits the common definition = "a sequence of instructions that is continually repeated"). On the other hand, map is not usually listed among Perl's control structures, of which loops are a subset of. E.g. http://en.wikipedia.org/wiki/Perl_control_structures#Loops So, what i'm looking for is a formal reason to be convinced of one side vs. the other. So far, the former (it is a loop) sounds a lot more convincing to me, but I'm bothered by the fact that I never saw "map" mentioned in a list of Perl loops.

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  • Lotus Notes - Fails to move inbox article to subfolder

    - by Klaptrap
    Lotus Notes 8.5 - yuck! User is trying to move an email from the Inbox into a subfolder and is using the menu option (not dragging & dropping) the email simply fails to move. It just appears again in the inbox. Drag and drop has the same effect! I have checked that it is a failure to move and not just a copy/delete issue. I am not a Notes adminstrator, being more of a MS Exchange administrator by career path and have no idea what to be looking for.

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  • Issue with mouse move event

    - by Vinjamuri
    I have a WPF control1 (has a moving control) that is hosted through elementhost on a windows form. My aim is to capture the mouse move events for the elementhost. I found out from the following link that MouseMove fires when Control moves under mouse while mouse stands still. http://social.msdn.microsoft.com/Forums/en/wpf/thread/56e7b331-ac6f-4d62-a83b-c09009b79fa0 I am getting fake mouse move events for elementhost. In order to fix this issue, I added a button on top of elementhost and set its Visible property to Hidden. Still I get fake mouse move events.. How to fix this issue? Is there any workaround? Appreciate your help...

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  • is versus as pl/sql

    - by sqlgrasshopper5
    I thought that oracle treats both "is" and "as" same for functions and procedures.I tried googling with "pl/sql is vs as" and got the following link which says both are the same. http://stackoverflow.com/questions/2338408/is-vs-as-keywords-for-pl-sql-oracle-function-or-procedure-creation But I found http://www.adp-gmbh.ch/ora/plsql/coll/declaration.html#index_by which seems to indicate there is a difference. Could somebody (list/point me to a link) the other contexts where using "is/as" makes a difference?. Thanks.

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  • How can I make the C# compiler infer these type parameters automatically?

    - by John Feminella
    I have some code that looks like the following. First I have some domain classes and some special comparators for them. public class Fruit { public int Calories { get; set; } public string Name { get; set; } } public class FruitEqualityComparer : IEqualityComparer<Fruit> { // ... } public class BasketEqualityComparer : IEqualityComparer<IEnumerable<Fruit>> { // ... } Next, I have a helper class called ConstraintChecker. It has a simple BaseEquals method that makes sure some simple base cases are considered: public static class ConstraintChecker { public static bool BaseEquals(T lhs, T rhs) { bool sameObject = l == r; bool leftNull = l == null; bool rightNull = r == null; return sameObject && !leftNull && !rightNull; } There's also a SemanticEquals method which is just a BaseEquals check and a comparator function that you specify. public static bool SemanticEquals<T>(T lhs, T rhs, Func<T, T, bool> f) { return BaseEquals(lhs, rhs) && f(lhs, rhs); } And finally there's a SemanticSequenceEquals method which accepts two IEnumerable<T> instances to compare, and an IEqualityComparer instance that will get called on each pair of elements in the list via Enumerable.SequenceEquals. public static bool SemanticSequenceEquals<T, U, V>(U lhs, U rhs, V comparator) where U : IEnumerable<T> where V : IEqualityComparer<T> { return SemanticEquals(lhs, rhs, (l, r) => lhs.SequenceEqual(rhs, comparator)); } } // end of ConstraintChecker The point of SemanticSequenceEquals is that you don't have to define two comparators whenever you want to compare both IEnumerable<T> and T instances; now you can just specify an IEqualityComparer<T> and it will also handle lists when you invoke SemanticSequenceEquals. So I could get rid of the BasketEqualityComparer class, which would be nice. But there's a problem. The C# compiler can't figure out the types involved when you invoke SemanticSequenceEquals: return ConstraintChecker.SemanticSequenceEquals(lhs, rhs, new FruitEqualityComparer()); If I specify them explicitly, it works: return ConstraintChecker.SemanticSequenceEquals< Fruit, IEnumerable<Fruit>, IEqualityComparer<Fruit> > (lhs, rhs, new FruitEqualityComparer()); What can I change here so that I don't have to write the type parameters explicitly?

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  • Find Specific Rows

    - by H07R0D
    I'm trying to build a rather specific query to find a set of user_ids based on topics they have registered to. Unfortunately it's not possible to refactor the tables so I have to go with what I've got. Single table with user_id and registration_id I need to find all user_ids that have a registration_id of (4 OR 5) AND NOT 1 Each row is a single user_id/registration_id combination. My SQL skills aren't the best, so I'm really scratching my brain. Any help would be greatly appreciated.

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  • I am trying to move a rectangle in Pygame using coordinates but won't work

    - by user1821449
    this is my code import pygame from pygame.locals import * import sys pygame.init() pygame.display.set_caption("*no current mission*") size = (1280, 750) screen = pygame.display.set_mode(size) clock = pygame.time.Clock() bg = pygame.image.load("bg1.png") guy = pygame.image.load("hero_stand.png") rect = guy.get_rect() x = 10 y = 10 while True: for event in pygame.event.get(): if event.type == pygame.QUIT: sys.exit() if event.type == KEYDOWN: _if event.key == K_RIGHT: x += 5 rect.move(x,y)_ rect.move(x,y) screen.blit(bg,(0,0)) screen.blit(guy, rect) pygame.display.flip() it is just a simple test to see if i can get a rectangle to move. Everything seems to work except the code I put in italic.

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  • Draw and move animation from xml in android

    - by Muahammad Yousuf Saif
    What I want to do: I want to draw image from xml and then animate it from xml. this image should move with constant speed anywhere on our screen. Now the problem is: I can draw and animate image from xml but i can not move this image with constant speed. I am using two xml files: One for animate and other for moving. XML for animation: android:duration="200"/ XML file for move: <translate android:interpolator="@android:anim/linear_interpolator" android:fromXDelta="2%" android:toXDelta="400%" android:fromYDelta="2%" android:toYDelta="800%"/> Activity.java file code in onCreate() method: ImageView rocketImage = (ImageView) findViewById(R.id.rocket_image); Animation hyperspaceJump = AnimationUtils.loadAnimation(this, R.anim.hyperspace_jump); rocketImage.setBackgroundResource(R.drawable.rocket_thrust); AnimationDrawable rocketAnimation = (AnimationDrawable) rocketImage.getBackground(); rocketAnimation.start(); rocketImage.startAnimation(hyperspaceJump);

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  • How to I correctly add brackets to this code

    - by Mohammad
    This code removes whites paces, (fyi: it's credited to be very fast) function wSpaceTrim(s){ var start = -1, end = s.length; while (s.charCodeAt(--end) < 33 ); //here while (s.charCodeAt(++start) < 33 ); //here also return s.slice( start, end + 1 ); } The while loops don't have brackets, how would i correctly add brackets to this code? while(iMean){ like this; } Thank you so much!

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  • JQuery Two colour slider control automatic move

    - by Geetha
    Hi All, I creating a slider control with two colours for media player streaming. Working: i can drag/ move the slider. Needs: I want to move the slider automatically.(1. Once the control is ready and 2. After changing the position of the slider, from that position it has to move automatically) Code: var slider1 = new Control.Slider('handle1', 'track1', { animate: true, range: $R(0, 10), max: 10, min: 0, sliderValue: 5, startSpan: 'span1', onChange: function(v) { handleSliderChange(v); } }); Plugins: <script src="js/prototype.js" type="text/javascript"></script> <script src="js/slider.js" type="text/javascript"></script> Geetha.

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  • How to move the mouse

    - by GroundZero
    I'm making a little bot in C#. At the moment it works pretty well, it can load text from a file and type it for you. But for now, I need to manualy click the textfield to put the focus on it, remaximize my form and then click the Type-button. After the typing, I need to manualy slide the scorebar and press submit. I'd like to know how I can move my mouse with C# and if possible, if possible I'd like to load the mouse positions from a xml-file. I need to move to the textfield, click in it to focus on it, start the type script, move to the slider, hold the mouse down on it while dragging, releasing it on the correct position & clicking on the submitbutton This is what I have for now: To load in the variables, I'm using this script: private void Initialize() { XmlTextReader reader = new XmlTextReader(Application.StartupPath + @"..\..\..\CursorPositions.xml"); while (reader.Read()) { switch (reader.NodeType) { case XmlNodeType.Element: // The node is an element. element = reader.Value; break; case XmlNodeType.Text: //Display the text in each element. switch (element) { case "Textbox-X": textX = int.Parse(reader.Value); break; case "Textbox-Y": textY = int.Parse(reader.Value); break; case "SliderBegin-X": sliderX = int.Parse(reader.Value); break; case "SliderBegin-Y": sliderY = int.Parse(reader.Value); break; case "SubmitButton-X": submitX = int.Parse(reader.Value); break; case "SubmitButton-Y": submitY = int.Parse(reader.Value); break; } break; } } This is the xml-file: <?xml version="1.0" encoding="utf-8" ?> <CursorPositions> <Textbox-X>430</Textbox-X> <Textbox-Y>270</Textbox-Y> <SliderBegin-X>430</SliderBegin-X> <SliderBegin-Y>470</SliderBegin-Y> <SubmitButton-X>860</SubmitButton-X> <SubmitButton-Y>365</SubmitButton-Y> </CursorPositions> To move the mouse I'm using this piece of code: public partial class FrmMain : Form { [System.Runtime.InteropServices.DllImport("user32.dll")] public static extern void mouse_event(int dwFlags, int dx, int dy, int cButtons, int dwExtraInfo); public const int MOUSEEVENTF_LEFTDOWN = 0x0002; public const int MOUSEEVENTF_LEFTUP = 0x0004; public const int MOUSEEVENTF_RIGHTDOWN = 0x0008; public const int MOUSEEVENTF_RIGHTUP = 0x0010; ... private void btnStart_Click(object sender, EventArgs e) { // start button (de)activates loop if (!running) { btnStart.Text = "Stop"; btnStart.Cursor = Cursors.No; running = true; } else { btnStart.Text = "Start"; btnStart.Cursor = Cursors.AppStarting; running = false; } while (running) { // move to textbox & type Cursor.Position = new Point(textX, textY); mouse_event(MOUSEEVENTF_LEFTDOWN, textX, textY, 0, 0); mouse_event(MOUSEEVENTF_LEFTUP, textX, textY, 0, 0); Type(); // wait 90 seconds till slider available Thread.Sleep(90 * 1000); // move to slider & slide according to score Cursor.Position = new Point(sliderX, sliderY); mouse_event(MOUSEEVENTF_LEFTDOWN, sliderX, sliderY, 0, 0); Cursor.Position = new Point(sliderX + 345 / 10 * score, sliderY); mouse_event(MOUSEEVENTF_LEFTUP, sliderX + 345 / 10 * score, sliderY, 0, 0); // submit Cursor.Position = new Point(submitX, submitY); mouse_event(MOUSEEVENTF_LEFTDOWN, submitX, submitY, 0, 0); mouse_event(MOUSEEVENTF_LEFTUP, submitX, submitY, 0, 0); // wait 10 sec to be sure it's submitted Thread.Sleep(10 * 1000); // refresh page SendKeys.SendWait("{F5}"); // get new text NewText(); // wait 10 sec to refresh and load song Thread.Sleep(10 * 1000); } } } PS: I get the coordinates via my form. I've got 2 labels that show my X & Y coordinates. To capture them outside the form, I press and hold my Left Mouse Button and 'drag' it outside the form to the correct place. This way I get the coordinates of my mouse outside the form

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  • Reading from an write-only(OUT) parameter in pl/sql

    - by sqlgrasshopper5
    When I tried writing to an read-only parameter(IN) of a function, Oracle complains with an error. But that is not the case when reading from an write-only(OUT) parameter of a function. Oracle silently allows this without any error. What is the reason for this behaviour?. The following code executes without any assignment happening to "so" variable: create or replace function foo(a OUT number) return number is so number; begin so := a; --no assignment happens here a := 42; dbms_output.put_line('HiYA there'); dbms_output.put_line('VAlue:' || so); return 5; end; / declare somevar number; a number := 6; begin dbms_output.put_line('Before a:'|| a); somevar := foo(a); dbms_output.put_line('After a:' || a); end; / Here's the output I got: Before a:6 HiYA there VAlue: After a:42

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  • fast scrolling background

    - by Andre
    i want a game that scrolls the background in a similar way to a UItableView. I solved it with a timer that moves the background up and brings another copy of the same picture up if (bg1.center.y <= - self.view.bounds.size.height/2 ) { bg1.center = CGPointMake(bg1.center.x, 690); } if (bg2.center.y <= - self.view.bounds.size.height/2 ) { bg2.center = CGPointMake(bg2.center.x, 690); bg1.center = CGPointMake(bg1.center.x, bg1.center.y - movement); bg2.center = CGPointMake(bg2.center.x, bg2.center.y - movement); But the faster i move the pictures the more problems occur: There are appearing gaps between the backgrounds and they are getting biggiger the faster i move them! movement is defined by the speed of swiping over the screen Any idea to solve that?

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  • Move smaller hard drive to partition on a larger hard drive

    - by bluejeansummer
    My parents bought a new hard drive for a laptop that I've owned for several years. It's much larger than the current one, so I plan on splitting it up to dual boot it with Ubuntu. I have no problem with partitioning a drive (I always keep a LiveCD handy), but my question is this: how can I go about moving the existing partition to the new drive? This is a laptop, so I can't simply plug the new drive into another slot. Also, even if I manage to move it, will Windows still work on the new drive in a larger partition? I've had this laptop for quite a while, and I've lost the recovery discs that came with it a long time ago. I also have a lot of software without CDs to reinstall them with. This makes not reinstalling Windows a high priority. In case it helps, both drives use 2.5" PATA, and I have a 1 TB external drive available if it's needed.

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  • Script to move specific user folders in Windows 7

    - by Evan M.
    Hi there. When I install Windows Vista/7, I move some of my user folders onto a new partition (i.e. Documents, Musics, Pictures, etc.). This does not include moving the whole User directory, just some of the data folders. %AppData% remains in it's default location (%SystemDrive%\Users). I'm getting tired of manually moving each of these folder's by changing their location under the properties dialog. Does anyone know of a way that I can script this to apply to the folders that I wish?

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  • How to move linux executables to a ramdisk?

    - by alfa64
    i've made a ramdisk this way: mkdir -p /media/ramdisk mount -t tmpfs -o size=512M tmpfs /media/ramdisk/ The reason for this is because i run a lot of node.js scripts and their execution time is very small, but i suspect that the time overhead is because it reloads the node.js executable from disk and destroys it on each subsecuent run. So i think this might be the solution to gain a bit, if not much, performance. How can i move a program like node to the ramdisk and run it from there? The idea is to have a startup script that creates the ramdisk and puts the node files inside of it. Note that i'm currently using fedora 16 for what's it's worth. Thanks in advance.

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  • Can't move or access WSS Central Administration site

    - by Jim
    We have several WSS Servers: WSS1 WSS2 WSS3 WSS4 SharePoint thinks that Central Administration is on WSS3 and that it can be access via SSL on port 22641. The problem is that central administration is not there. It was removed using the config wizard. We removed central admin from all servers to clean everything out, and we tried installing Central Admin on WSS1. The alternate access mappings still point to central admin on WSS3. We tried deleting the alternate access mappings, but SharePoint won't let you delete central admin's mapping. Later, we removed central admin from all of our servers and tried creating the Central Admin website on WSS3, where SharePoint already thinks it is. But for some reason SharePoint is creating the alternate access mappings using SSL, and we don't have a certificate for the server. Why is SharePoint creating alternate access mappings routing an https internal URL by default? How can we move central administration to a new server? We are using WSS 3.0.

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  • "mv: cannot stat file" in for loop

    - by F.C.
    I wanted to rename a lot of files with a pattern so I tried this for loop: $ for f in *; do mv \""$f"\" \""HouseMD-S06E${f#*Episode }"\"; done But I got this error: mv: cannot stat `"House MD Season 6 Episode 01 - Broken (Parts 1 & 2).avi"': No such file or directory So what I did was echo the mv commands to a file like this: $ for f in *; do echo mv \""$f"\" \""HouseMD-S06E${f#*Episode }"\">>mv.txt; done And the run the file with source. Any ideas why the first for didn't work and how can I fix it?

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  • Windows 7 gadgets changing place when I move from dual monitor to a single one

    - by tsahilevi
    Hi, I am using Windows 7 on my laptop. At the office, I have a dual monitor setup through my docking station while at home or during meetings I use my laptop with its single monitor. Whenever I move between these two setups, Windows 7 plays with the location of the gadgets I have and I need to rearrange them each time. Is there a way to tell it to store these settings and locations (both gadgets and icons) so that it will remember their placement on the dual monitor setup and it will remember a different placement for the single monitor setup?

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