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• Extract Lines when Column K is empty with AWK/Perl

  - by neversaint

  I have data that looks like this: foo 78 xxx bar yyy qux 99 zzz xuq xyz They are tab delimited. How can I extract lines where column 2 is empty, yielding bar yyy xuq xyz I tried this but doesn't seem to work: awk '$2==""' myfile.txt

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• How does the compiler choose which method to call when a parameter type is ambiguous?

  - by Darksider

  I have the following code: [TestMethod] public void TestFoo() { Foo(null); } private void Foo (object bar) { Console.WriteLine("Foo - object"); } private void Foo (string bar) { Console.WriteLine("Foo - string"); } and when I run the test "TestFoo()", the console output is "Foo - string". How does the compiler decide which method to call?

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• Automatically connect to 3G dialup connection

  - by Philipp

  I have a notebook with an internal 3G modem (a HUAWEI Mobile Connect) which appears to the system as a dialup modem. When I want to connect to the Internet, I need to open the charms bar, click settings, network, the modem and "connect" to open the dialup dialog on the desktop. When the connection is interrupted for some reason, I need to repeat these steps. Is there a way to configure Windows 8 to automatically (and preferably silently in the background) connect with this modem at system startup and automatically restore the connection should it get interrupted? As an operating system which is developed for mobile devices, I would expect it to be able to somehow be able to manage a always-on 3g connection.

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• setup apache virtualhost (windows)

  - by nightingale2k1

  Hi, How to setup virtualhost for multiple domain name on windows ? I will use it for my own test projects. I have 3 projects that I need to setup and at the moment I'm using xampplite for the portable apache. www.foo-bar.com -- direct to c:\xampplite\htdocs\foo-bar\ www.abcdef.com -- directo to c:\xampplite\htdocs\abcdef\ www.qwerty.com -- direct to c:\xampplite\htdocs\qwerty\web\ I also need to access on another project but it just like typing http://localhost/my-project/ how to write the vhost configuration for that ?

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• small scale web site - global javascript file style/format/pattern - improving maintainability

  - by yaya3

  I frequently create (and inherit) small to medium websites where I have the following sort of code in a single file (normally named global.js or application.js or projectname.js). If functions get big, I normally put them in a seperate file, and call them at the bottom of the file below in the $(document).ready() section. If I have a few functions that are unique to certain pages, I normally have another switch statement for the body class inside the $(document).ready() section. How could I restructure this code to make it more maintainable? Note: I am less interested in the functions innards, more so the structure, and how different types of functions should be dealt with. I've also posted the code here - http://pastie.org/999932 in case it makes it any easier var ProjectNameEnvironment = {}; function someFunctionUniqueToTheHomepageNotWorthMakingConfigurable () { $('.foo').hide(); $('.bar').click(function(){ $('.foo').show(); }); } function functionThatIsWorthMakingConfigurable(config) { var foo = config.foo || 700; var bar = 200; return foo * bar; } function globallyRequiredJqueryPluginTrigger (tooltip_string) { var tooltipTrigger = $(tooltip_string); tooltipTrigger.tooltip({ showURL: false ... }); } function minorUtilityOneLiner (selector) { $(selector).find('li:even').not('li ul li').addClass('even'); } var Lightbox = {}; Lightbox.setup = function(){ $('li#foo a').attr('href','#alpha'); $('li#bar a').attr('href','#beta'); } Lightbox.init = function (config){ if (typeof $.fn.fancybox =='function') { Lightbox.setup(); var fade_in_speed = config.fade_in_speed || 1000; var frame_height = config.frame_height || 1700; $(config.selector).fancybox({ frameHeight : frame_height, callbackOnShow: function() { var content_to_load = config.content_to_load; ... }, callbackOnClose : function(){ $('body').height($('body').height()); } }); } else { if (ProjectNameEnvironment.debug) { alert('the fancybox plugin has not been loaded'); } } } // ---------- order of execution ----------- $(document).ready(function () { urls = urlConfig(); (function globalFunctions() { $('.tooltip-trigger').each(function(){ globallyRequiredJqueryPluginTrigger(this); }); minorUtilityOneLiner('ul.foo') Lightbox.init({ selector : 'a#a-lightbox-trigger-js', ... }); Lightbox.init({ selector : 'a#another-lightbox-trigger-js', ... }); })(); if ( $('body').attr('id') == 'home-page' ) { (function homeFunctions() { someFunctionUniqueToTheHomepageNotWorthMakingConfigurable (); })(); } });

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• Question about JSON?

  - by Alex

  Hi all, I have a fairly simple question: In Javascript how can I return the boolean (if its found in the JSON) rather than the actual value? Example: var myJSON = { "foo" : "bar", "bar" : "foo" }; var keyToLookFor = "foo"; var found = myJSON[keyToLookFor]; if (found) { // I know I can test if the string exists in the if } // but is there a way I could just return something like: return found; // instead of testing found in the if statement and then returning true?

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• FileInfo.MoveTo() vs File.Move()

  - by Eric

  Is there any difference between these two methods of moving a file? System.IO.FileInfo f = new System.IO.FileInfo(@"c:\foo.txt"); f.MoveTo(@"c:\bar.txt"); //vs System.IO.File.Move(@"c:\foo.txt", @"c:\bar.txt");

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• dismissing search display controller keyboard

  - by andy-iphone

  Hi, I am using search display controller and a search bar. When i click inside the serach bar the keyboard appears. When i navigate away to another page , the keyboard does not disappear and stays in the same page. Can you please help me ? Thanks, Andy.

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• Receive Event Notification Broad-casted from Fortran in Managed Code

  - by Ngu Soon Hui

  I have a fortran (unmanaged code) dll as the calculation engine, and a C# form as the GUI. Now, the calculation in fortran is long, so in order not to bore the users, I decided to use Asynch command to create a progress bar. The fortran dll would be responsible for putting messages in the progress bar as the calculation proceeds. Any idea how this can be done?

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• How do I get the name of the parent folder in a command prompt?

  - by Bernhard Hofmann

  I'm in a Windows Command Line and want the parent folder in a variable. Assuming current directory is "C:\foo\bar", how can I get the value "bar"? I'm expecting something like a "find last backslash in CD and that's it". And please, no powershell references; I want plain old Windows Command Line operations.

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• How to implement something like PHP's http_build_query and the reverse in javascript?

  - by wamp

  <?php $data = array('foo'=>'bar', 'baz'=>'boom', 'cow'=>'milk', 'php'=>'hypertext processor'); echo http_build_query($data); /* Output: foo=bar&baz=boom&cow=milk&php=hypertext+processor */ How to do similar thing in javascript,say, get the query string from the array ,and convert the array to query string?

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• HorizontalFieldmanager overlay

  - by Dachmt

  Hi, I have a VerticalFieldManager that takes all my screen, and I want to put an HorizontalFieldmanager at the bottom of the screen (menu bar that appear and disappear like the WeatherEye menu bar) that overlay the VerticalFieldManager. Any idea? I think it's something with overwriting the paint or sublayout methods but I have no clue how to implement this... Thanks to Max, I have almost everything, but in my other post it resize the VerticalFieldManager instead of having the HorizontalFieldmanager overlaying it. Thank you!

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• excel automation edit existing chart

  - by user330737

  Hi Everyone, I need excel automation expert here. I have chart with x-axis contains label: Jan,Feb,Mar,Apr and y-axis contains label: 10,20,30,40. Chart type is Bar. Can anyone show me a csharp code how to change to Bar color to different color if the month is Mar? I hope you guy understand my question since I can't put the image on stackoverflow. thank you

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• How to turn this into valid javascript?

  - by Todd Horrtyz

  If the backslashes don't do it, then what? [...] foo: ('lorem ipsum dolor sit amet'), bar: ('lorem ipsum \(dolor\) sit amet'), [...] Here's the full code: google.load('orkut.share', '1'); google.setOnLoadCallback(function() { new google.orkut.share.Button({ title: 'foo', summary: ('foo \(bar\) foo'), thumbnail: ('...'), destination: '...'}).draw('orkut'); });

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• how to remove .php from a certain file (with apache .htaccess)

  - by user2015253

  I want a certain file (only this!) to remove the php extension for calling it. BUT: It uses get parameters and they should remain! I tried it with my .htaccess and something like: RewriteEngine on followed by either RewriteRule ^file(.*)$ file.php$1 or RewriteRule ^file(.+)$ file.php$1 but it doesn't work. (First gives error 500, second gives 404) Example what I want to call in the browser: file?param=asd&foo=bar - It should call as: file.php?param=asd&foo=bar

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• recursive directory svn move shell script

  - by yaya3

  I want to rename all nested directories named "foo" to "bar" - I've tried the following with no joy: find */ -name 'foo' | xargs svn move {} 'bar' \; Thanks

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• where to put the unittest for library in rails

  - by lidaobing

  Hello, I am a ruby and rails newbie. And I am working on a rails application with RadRails. RadRails has a "Switch to Test" function for my controller, model, etc. but not for my library. if I have class Foo::Bar in /lib/foo/bar.rb, where should I put the unittest for it? or should I separate the foo library in a separated project? Thanks.

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• Rails: Why does find_by not work on my ActiveRecord model?

  - by randombits

  I have a simple model named Foo. Foo has two columns, bar and foobar. Doing a simple Foo.find_by_bar("a") is returning nil. There is a record in the table where bar contains a. Also, what's even more troubling, is I don't see the query even happening in the development log. A simple Foo.find(1) works though.

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• URL/Apache redirection question. (domain+directory redirect to sudomain)

  - by furstgurshnur

  Hello, I have been trying to figure this out for about 2 hours now. A new requirement came up where it was asked of me to try to find a way to send requests from foo.bar.com/blah to blah.bar.com. Technically /blah doesn't exist, but I was hoping to have the server redirect before it gets to that point. Has anyone had to do this before? What was the solution?

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• Multidimensional each

  - by c00lryguy

  How would I do something like below? [ 'foo' ['bar', 'baz'], [ 'one', ['two', 'three'] ] ].each { |word| puts word } # I want this to return: foo bar baz one two three

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• Align text box with menu control using boostrap

  - by JamesMitLondon

  Hi I am using bootstrap styles for my asp.net web application and I have a menu control at the top. I want to insert a search text box at the top right on the same line as the menu bar. Following is my code. Can anyone please suggest how to do this? Thanks. <div id="container"> <form runat="server" class="navbar-form navbar-left" role="search"> <div class = "navbar"> <div class="navbar-inner"> <div class="container"> <!-- .btn-navbar is used as the toggle for collapsed navbar content --> <a class="btn btn-navbar" data-target=".nav-collapse" data-toggle="collapse"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </a> <div class="nav-collapse collapse"> <asp:Menu ID="NavigationMenu" runat="server" EnableViewState="false" IncludeStyleBlock="false" Orientation="Horizontal" CssClass="navbar" StaticMenuStyle-CssClass="nav" StaticSelectedStyle-CssClass="active" DynamicMenuStyle-CssClass="dropdown-menu"> <Items> <asp:MenuItem Text="Home" ToolTip="Home"></asp:MenuItem> <asp:MenuItem Text="Music" ToolTip="Music"> <asp:MenuItem Text="Classical" ToolTip="Classical" /> <asp:MenuItem Text="Rock" ToolTip="Rock" /> <asp:MenuItem Text="Jazz" ToolTip="Jazz" /> </asp:MenuItem> <asp:MenuItem Text="Movies" ToolTip="Movies"> <asp:MenuItem Text="Action" ToolTip="Action" /> <asp:MenuItem Text="Drama" ToolTip="Drama" /> <asp:MenuItem Text="Musical" ToolTip="Musical" /> </asp:MenuItem> </Items> </asp:Menu> <div class="form-group"> <input type="text" class="form-control" placeholder="Search"/> <button type="submit" class="btn btn-default">Submit</button> </div> </div> </div> </div> </div> </form> </div> `

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• Windows 8 trackpad edge swipe zones

  - by askvictor

  I'm running Windows 8 on a Lenovo x220 laptop; and have just inadvertently discovered the edge-swipe feature or that brings up the charms or switches between desktop and RT. Only problem is that the landing zones are a little too wide for my liking - I'd like to keep this feature, but to narrow the zone where it can start. I'd rather not disable it completely as per: Modify or disable Windows 8 swipe gestures on touchpad / laptop The Synaptic driver (latest available) doesn't seem to provide for changing this (though it does for other zones). Any ideas?

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• In Java, when should I use an abstract method in an interface?

  - by John Oxley

  I have the following interface in Java public interface IFoo { public abstract void foo(); public void bar(); } What is the difference between foo() and bar()? When should I use abstract? Both seem to accomplish what I want unless I'm missing something subtle? Update Duplicate of Why would one declare a Java interface method as abstract?

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• Hooking entity creation in SQLAlchemy

  - by Dan Ellis

  I want to write a SessionExtension that fires a 'Foo-created' event or 'Bar-created' event every time a new Foo or new Bar is committed to the database. However, once inside the after_commit method, I don't know where to find which entities have been committed. Where do I get this information?

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• On a system level, adding a directory to the Perl library path

  - by paulj3000

  On a standard linux set up, where can I add a directory to the @INC variable? In the /etc/profile file, I added: export PERLLIB=$PERLLIB:/foo/bar export PERL5LIB=$PERL5LIB:/foo/bar Thanks

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