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  • blank space on google home page

    - by topgun_ivard
    2 questions, i was doing nothing productive, and tried selecting the google home page (a left click drag and select whole page) on google.com i see that beside the search box, on the left side, there is an empty space &nbsp; i looked up the source code and there indeed was a <td width=25%>&nbsp;</td> stupid as it may sound, but i was still curious to know why the blank space is out there..or is it just a simple typo?? :) also, any idea what window.lol&&lol() does? curious yet again, google search didnt get me any result and i thought i would turn to stackoverflow to enlighten me... thanks, ivar

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  • How to export each open project in Eclipse as its own JAR?

    - by Freiheit
    I have several projects open in an Eclipse workspace. Like so: com.harbl.project.one com.harbl.project.two com.harbl.project.three I would like to export those as JARs in a batch such that I wind up with the following JAR files: ./com.harbl.project.one.jar ./com.harbl.project.two.jar ./com.harbl.project.three.jar Is this possible with one of the Eclipse wizards or working sets? Is my only option to export each one individually?

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  • MouseWheel Event Fire

    - by Rahat
    I have a problem on calling my private method on MouseWheel event. In fact my mouse wheel event gets fired properly when i only increment a variable or display something in Title bar etc. But when i want to call a private method, that method gets called only one time which is not the requirement i want to call that method depending on the speed of scroll i.e. when scroll is done one time slowly call the private method one time but when the scroll is done in high speed call the private method more than one time depending on the scroll speed. For further explanation i am placing the sample code which displays the value of i in Title bar and add it in the Listbox control properly depending on the scroll speed but when i want to call the private method more than one time depending upon the scroll speed, that method gets called only one time. public partial class Form1 : Form { ListBox listBox1 = new ListBox(); int i = 0; public Form1() { InitializeComponent(); // Settnig ListBox control properties this.listBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); this.listBox1.FormattingEnabled = true; this.listBox1.Location = new System.Drawing.Point(13, 13); this.listBox1.Name = "listBox1"; this.listBox1.Size = new System.Drawing.Size(259, 264); this.listBox1.TabIndex = 0; // Attaching Mouse Wheel Event this.listBox1.MouseWheel += new MouseEventHandler(Form1_MouseWheel); // Adding Control this.Controls.Add(this.listBox1); } void Form1_MouseWheel(object sender, MouseEventArgs e) { i++; this.Text = i.ToString(); this.listBox1.Items.Add(i.ToString()); // Uncomment the following line to call the private method // this method gets called only one time irrelevant of the // mouse wheel scroll speed. // this.LaunchThisEvent(); } private void Form1_Load(object sender, EventArgs e) { this.listBox1.Select(); } private void LaunchThisEvent() { // Display message each time // this method gets called. MessageBox.Show(i.ToString()); } } How to call the private method more than one time depending upon the speed of the mouse wheel scroll?

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  • Multiple depends in ant task

    - by glowcoder
    If I have three targets, one "all", one "compile" and one "jsps", how would I make "all" depend on the other two Would it be <target name="all" depends="compile,jsps"> or would it be <target name="all" depends="compile","jsps"> Or maybe something even different? I tried searching for example ant scripts to base it off of, but I couldn't find one with multiple depends. Thanks!

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  • Displaying bitmaps in relative positions

    - by JonF
    I'd like to put a couple images on a surfaceview. I understand that the screen sizes of android devices can vary, so I don't think I can just use an x y position or I might end up placing it off different screens. Say I want to put two boxes in the center of the screen, a blue one and a red one. The blue one is to the left of the red one. How can I accomplish that while accounting for different screen sizes?

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  • Why must I rewind IteratorIterator

    - by chris
    $arrayIter = new ArrayIterator( array(1, 2) ); $iterIter = new IteratorIterator($arrayIter); var_dump($iterIter->valid()); //false var_dump($arrayIter->valid()); //true If I first call $iterIter-rewind(), then $iterIter-valid() is true. I'm curious why it requires that rewind() be called. I imagine there's good reason for it, but I would have expected it to simply start iteration at whatever state it's inner iterator is in, and leave it as an option to rewind before beginning iteration. calling next() also seems to put it in a "valid" state(although it advances to the next position, suggesting it was previously at the first position). $arrayIter = new ArrayIterator(array(1,2)); $iterIter = new IteratorIterator($arrayIter); $iterIter->next(); var_dump($iterIter->valid()); Again, I'm curious why I need to call rewind(), despite the inner iterator being in a valid state.

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  • C++ - how does Sleep() and cin work?

    - by quano
    Just curious. How does actually the function Sleep() work (declared in windows.h)? Maybe not just that implementation, but anyone. With that I mean - how is it implemented? How can it make the code "stop" for a specific time? Also curious about how cin and those actually work. What do they do exactly? The only way I know how to "block" something from continuing to run is with a while loop, but considering that that takes a huge amount of processing power in comparison to what's happening when you're invoking methods to read from stdin (just compare a while (true) to a read from stdin), I'm guessing that isn't what they do.

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  • Perl daemon script for message queue hanging for 20 seconds after each process. Why?

    - by Mike Diena
    I have daemon script written in Perl that checks a database tables for rows, pulls them in one by one, sends the contents via HTTP post to another service, then logs the result and repeats (only a single child). When there are rows present, the first one is posted and logged immediately, but every subsequent one is delayed for around 20 seconds. There are no sleep()'s running, and I can't find any other obvious delays. Any ideas?

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  • CSS :nth-child Equation

    - by Meander365
    I have an unordered list and each li makes up one item in a two column layout: col1 col2 1 2 3 4 5 6 7 8 9 10 11 12 I need to have an alternating background colour for each item BUT NOT so each item in one column is the same. So : 1,4,5,8,9,11 will have one colour; and 2,3,6,7,10,12 will have another colour. Can this be achieved with one :nth-child rule? Thanks!

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  • In python beyond 'exec string' is there a way to 'import' using the db as a filesystem

    - by molicule
    Although it does not seem possible, I wanted to put this out there to see if others had some innovative solutions to 'dynamically loading and executing code in python' So if one saved code in a database, one could read it and 'exec it', however if one wanted to use it in a similar fashion to the filesystem, one would need to 'save and load the compiled .pyc' create an 'import dbimp' ala 'import imp' etc. any pointers? ideas? thoughts?

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  • Is there a better acts_as_commentable for Rails?

    - by levi rosol
    Here's what I'm looking to do. I have a site where I want the user to be able to leave comments on various Models. acts_as_commentable is the obvious starting point for this, but I'm curious if there is a gem / plug-in with a more robust feature-set. For example: Pre-built partial(s) (w/ or w/o Twitter / FB buttons) Partial(s) that utilize jQuery Twitter and / or FB tunnels (push to the users twitter / FB when they comment) Pre-built mechanism for pushing other users comments to users viewing that Model I can see how some of this functionality could be app specific, however, a generic implementation seems like it would be useful. I'm curious if something like this exists or not.

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  • O(log N) == O(1) - Why not?

    - by phoku
    Whenever I consider algorithms/data structures I tend to replace the log(N) parts by constants. Oh, I know log(N) diverges - but does it matter in real world applications? log(infinity) < 100 for all practical purposes. I am really curious for real world examples where this doesn't hold. To clarify: I understand O(f(N)) I am curious about real world examples where the asymptotic behaviour matters more than the constants of the actual performance. If log(N) can be replaced by a constant it still can be replaced by a constant in O( N log N). This question is for the sake of (a) entertainment and (b) to gather arguments to use if I run (again) into a controversy about the performance of a design.

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  • WHat does information_schema database means in databse

    - by Mirage
    I have one dtabase in mysql. But when i log into phpmyadmin , it shows another database called information_schema. Is that databse always present with one database. I mean to say there is copy of information_schema for evry database present in mysql or in one mysql there is one table called inforemation_schema. If i do something wronmg with table , how will that affect my current database

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  • how set vertical marquee in java application?

    - by Arivu2020
    Hi, I am creating one application in java using swing.In that i have an array of String, I try to use html marquee tag to scroll all the strings one by one from top to bottom.But the marquee tag doesn't support in the panel. How can i acheive it.Can any one suggest me? Thanks in advance

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  • Does having a longer string in a SQL Like expression allow hinder or help query executing speed?

    - by Allain Lalonde
    I have a db query that'll cause a full table scan using a like clause and came upon a question I was curious about... Which of the following should run faster in Mysql or would they both run at the same speed? Benchmarking might answer it in my case, but I'd like to know the why of the answer. The column being filtered contains a couple thousand characters if that's important. SELECT * FROM users WHERE data LIKE '%=12345%' or SELECT * FROM users WHERE data LIKE '%proileId=12345%' I can come up for reasons why each of these might out perform the other, but I'm curious to know the logic.

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  • Language independent logic question

    - by Sam
    If one has three fields in a db that they are querying an object by.... One of these fields must always be an associations id. Concerning the other two fields "only one needs to be true" What interpretation do you take or make of "only one needs to be true"?

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  • wxWidgets: Show a window that was marked hidden in the XRC

    - by jdwieber
    I'm new to wxWidgets and DialogBlocks. I have a form that is created using DialogBlocks and saved as an XRC file. Part of the form has a vertical wxStaticBoxSizer into which is placed two wxScrolledWindow elements. I want to only show one at a time based on what data is to be shown to the user, so I have one marked hidden and left the other one visible. In code (C++), when I try to switch the display and show the widget that was hidden in the XRC and hide the one that was not, the one that I hide goes away fine, but the one that I want to show is not visible. If I resize the window however, it appears. Once it has appeard then I can switch back and forth with no issues. I tried many combinations of showing, enabling, invalidating, getting the sizer and calling RecalcSizes, refresh, layout, and some others. I tried them in different combinations too. Simply calling Show will allow me to toggle between the two, but only after I switch to the one that does not show initially and resize the window. From what I see in the docs. the issue is that wxSizer doesn't allocate space for hidden windows, but there is a flag that can be set to override that behavor. My problem is that DialogBlocks does not expose that feature, so if I manually edit the XRC file the modifation will be lost when I, or one of the other devs. saves some changes. Is ther a sequence of calls that I can make to tell the sizer to allocate space? The default OnResize handler does something to cause the sizer to allocate space, but I don't know what that is, or how to do it. This is the flag I found in the docs: wxRESERVE_SPACE_EVEN_IF_HIDDEN Normally wxSizers don't allocate space for hidden windows or other items. This flag overrides this behavior so that sufficient space is allocated for the window even if it isn't visible. This makes it possible to dynamically show and hide controls without resizing parent dialog, for example. This function is new since wxWidgets version 2.8.8 Thanks in advance.

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  • Remove a single non-unique value from a sequence in F#

    - by mavnn
    I have a sequence of integers representing dice in F#. In the game in question, the player has a pool of dice and can choose to play one (governed by certain rules) and keep the rest. If, for example, a player rolls a 6, 6 and a 4 and decides to play one the sixes, is there a simple way to return a sequence with only one 6 removed? Seq.filter (fun x -> x != 6) dice removes all of the sixes, not just one.

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