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• How to override the focus on page in greasmonkey

  - by nimo

  After the page has loaded a piece of javascript set focus on window and on a specific input field. I want to prevent this focus on the input field how can I do that with javascript in greasemonkey? Maybe this is not possible because greasemonkey don't execute the code until the entire page has loaded? Then let's say I can run my code at any time how can I prevent the focusing?

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• Is there a way to develop C#/.NET on Android devices?

  - by martani_net

  Hi, I want to run C# programs on my HTC Magic, I can find the mono app on the Android market but I have no clue on how to run C# using. The code is just for fun, I don't want official support and such. After coding Visual Basic on windows mobile, I really want to code C# on Android, whether directly using some sort of editor if exists, or compiling it on a PC then installing it on Android. If anyone knows a way to do such please let me know. Thank you

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• Why would you use the ternary operator without assigning a value for the "true" condition?

  - by RickNotFred

  In the Android open-source qemu code I ran across this line of code: machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ It this just a confusing way of saying: if (machine->max_cpus) { ; //do nothing } else { machine->max_cpus = 1; } If so, wouldn't it be clearer as: if (machine->max_cpus == 0) machine->max_cpus = 1; Interestingly, this compiles and works fine with gcc, but doesn't compile on http://www.comeaucomputing.com/tryitout/ .

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• jQuery: Get <td>'s html only

  - by Poku

  Hey, i have this code. It returns all the td code including the td /td tags. I want it to only return the content/html of the td <td>Hey</td> should give me just Hey   jQuery("#ReportTable", html).each(function (index, tr) { arr[index] = jQuery("tbody tr", tr).map(function (index, td) { return jQuery(td).html(); }); });

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• Getting all methods inside a script file

  - by ryudice

  After executing this code: var runtime = IronRuby.Ruby.CreateRuntime(); var engine = IronRuby.Ruby.CreateEngine(); var scrope = engine.CreateScope(); engine.ExecuteFile("libtest.rb"); How can I get all the methods of a ruby class in c# code?

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• Is it a good practice to have trim in setter?

  - by zibi

  I'm doing a code review and I noticed such a code: @Entity @Table(name = "SOME_TABLE") public class SomeReportClass { @Column(name = "REPORT_NUMBER", length = 6, nullable = false) private String reportNumber; ..... public String getReportNumber() { return reportNumber; } public void setReportNumber(String reportNumber) { this.reportNumber = StringUtils.trimToNull(reportNumber); } } Every time I see trimming inside of a setter I feel that its not the clearest solution - what is the general practice with that issue?

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• Delphi: Which are the downsides of having unused units listed in the uses clause?

  - by user193655

  I use cnPack Uses cleaner, but in general which are the downsides of having useless units? I know some of them: 1) of course if the unit is never used across the full project there will be useless resource consuption 2) the code insight will give useless results 3) the code insight will be slower But imagine a simple case: I have a project with 2 forms, I use StrUtils in one of them but I declared StrUtils in both of them... Is there any downside in temrs of memory consumption in this case or not?

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• basic modal dialog hiding problem

  - by senzacionale

  I am using basic modal dialog: http://www.ericmmartin.com/projects/simplemodal-demos/ $(document).ready(function() { $("#bodyTxt .basic").click(function() { var text = $(this).attr("title"); $("#basicModalContent").html(text).modal(); return false; }); }); but when i click on X code is now visible in page. How can after i close model dialog delete html code and add #basicModalContent display to none?

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• outllook addin threading issues

  - by Sanju

  hi i am having threading issues in my vsto project // code for function var threadUpdate = new Thread(_fun){IsBackgroud = true}; threadUpdate.Start(); threadList.add(threadUpdate); // code for progressbar Progressbar pb = new Prgressbar(){Title =@"abc"} pb.Show() it was working in perfect condition before i add wpf progress bar. as the plugin has been running as single thread can i ask how can running multi threading in outlook thanks

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• Should Javascript's "for in" construct iterate the length property?

  - by Eric

  I'm making a bookmarklet, but I've encountered some wierd behaviour in IE8. The code causing the problem is this: var els = document.getElementById("my_id").getElementsByTagName("*"); for(var i in els) { alert(i+","+els[i]) } The first thing that is alerted is "length, n". This isn't the case in chrome: just in IE8. Interestingly, it seems to behave differently depending on whether the code goes in the console/address bar or the page itself. Is this standard behaviour?

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• how long will it take to start coding with symfony?

  - by fayer

  i wonder how long it will take to master Symfony and use it to code? i already know mvc + oop and have used CodeIgniter before to code. are we talking about days, weeks or months giving that i will dedicate 8-12 hours a day to learn it.

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• Confusion in multi dimensional array in Java

  - by Alvin

  Hello, I'm not able to understand the following multi-dimensional code. Could someone please clarify me? int[][] myJaggedArr = new int [][] { new int[] {1,3,5,7,9}, new int[] {0,2,4,6}, new int[] {11,22} }; May I know how it is different from the following code? int[][] myArr = new int [][] { {1,3,5,7,9}, {0,2,4,6}, {11,22} };

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• jQuery: Remove Div after 2 combined animations done?

  - by Axel

  Hi, i have a jQuery line that execute 2 animations, what i want is to remove the #flasher DIV after sliding it up by my current code. How to add a callback in this bunch of brackets? here is my code: $("#flasher").animate({opacity: 1.0}, 6000).animate({"top": "-=30px"},"slow"); Thanks

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• firebug and _moz_dirty

  - by shivesh

  I am developing Javascript app that will wrap every line of text entered inside iframe (designmode) with P (or div) like it happens by default in IE. For now I am not pasting my code because I just started, the first problem is when i type some text in firefox and even before I click enter or calling any function firebug inserts <br _moz_dirty=""> under the entered text. Why? How can I prevent it? If you still need my code please tell.

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• Should the argument be passed by reference in this .net example?

  - by Hamish Grubijan

  I have used Java, C++, .Net. (in that order). When asked about by-value vs. by-ref on interviews, I have always done well on that question ... perhaps because nobody went in-depth on it. Now I know that I do not see the whole picture. I was looking at this section of code written by someone else: XmlDocument doc = new XmlDocument(); AppendX(doc); // Real name of the function is different AppendY(doc); // ditto When I saw this code, I thought: wait a minute, should not I use a ref in front of doc variable (and modify AppendX/Y accordingly? it works as written, but made me question whether I actually understand the ref keyword in C#. As I thought about this more, I recalled early Java days (college intro language). A friend of mine looked at some code I have written and he had a mental block - he kept asking me which things are passed in by reference and when by value. My ignorant response was something like: Dude, there is only one kind of arg passing in Java and I forgot which one it is :). Chill, do not over-think and just code. Java still does not have a ref does it? Yet, Java hackers seem to be productive. Anyhow, coding in C++ exposed me to this whole by reference business, and now I am confused. Should ref be used in the example above? I am guessing that when ref is applied to value types: primitives, enums, structures (is there anything else in this list?) it makes a big difference. And ... when applied to objects it does not because it is all by reference. If things were so simple, then why would not the compiler restrict the usage of ref keyword to a subset of types. When it comes to objects, does ref serve as a comment sort of? Well, I do remember that there can be problems with null and ref is also useful for initializing multiple elements within a method (since you cannot return multiple things with the same easy as you would do in Python). Thanks.

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• checkbox val not showing false

  - by user281180

  I have the follwoing code: $("input:checkbox").live('click', function() { alert($(this).val()); }); True is shown if the checkbox is checked. However, if the checkbox is checked and I uncheck it, the value shown is still true. How can I correct that? What is wrong with the code? Thanks

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• Why save output until the end?

  - by user509006

  Very quick question about programming practices here: I've always used echo() to output HTML code to the user as soon as it was generated, and used ob_start() at the same time to be able to output headers later in the code. Recently, I was made aware that this is bad programming practice and I should be saving HTML output until the end. Is there a reason for this? What is it, and why isn't output buffering a good alternative? Thanks!

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• C++ macro expansion , debugging

  - by Pradyot

  I have a bunch of MACROS in c++ code that expand into some functions. And I am debugging something. Just want to see what the code ends up looking like” Any ideas?

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• Traversing stack and retrieving main arguments

  - by dlee313

  Given the size of the code of the main function in bytes passed as a parameter to a function, what is the best way to get to the base address for the main code and retrieve the first char * in the argv array?

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• Prevent web2py from caching ?

  - by Joe

  Hi ! I'm working with web2py and for some reason web2py seems to fail to notice when code has changed in certain cases. I can't really narrow it down, but from time to time changes in the code are not reflected, web2py obviously has the old version cached somewhere. The only thing that helps is quitting web2py and restarting it (i'm using the internal server). Any hints ? Thank you !

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• Javascript: can I call a function in an external file from the main page ?

  - by Patrick

  hi, I'm loading from my main page an external js file, with a function. I have a flash file in the main page invoking the javascript function. Everything worked very well until when the javascript code was in the main file, but when I moved javascript to an external file the function seems not called anymore. So... there is no way to move the javascript code to an external file ? Or any other solution ? thanks

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• How to use google map for my site?

  - by user75472

  Hi, I have tried to find the link or document to know how to use google map for my site. I am using php. I need code for this. Though I tried a lot to find, may be the way I tried was not correct. Can anybody suggest me the link where I can find the code for google map use. Thanks in advance.........

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• C# stop property change at runtime

  - by petebob796

  I have been trying to build a user control with some custom properties set in the designer. However the control involves some interop code and settings which shouldn't be adjusted at runtime. Is there a way to stop the values being changed after they have been initially set by the designer code?

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• How to generate a window (widget) on button press in qt

  - by Ram

  I had designed some gui through Qt cretor on linux,these design consists of some fields, text edit , & some push buttons . Now my doubt is when i press on push button i want display aanother window . Is there any GUI option for this or any hard code.please let me know if any hard code............. waiting for answer Tanks in advance. Ram

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• Javascript confirm function in codebehind

  - by Geetha

  Hi All, I am using the following code to show confirmation dialog box after finishing some update process in database. but it is not working for me. code: string javaScript = "<script language=JavaScript>\n " + "if(confirm('Do you want to update the files?'))window.location.href = \"Upload.aspx?ID=" + ID + "&pt=Gm&page=Gms\"; else return false;\n" + "</script>"; RegisterStartupScript("imbtnUpdate_Click", javaScript);

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