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Search found 6186 results on 248 pages for 'syntax'.

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• C++: Trouble with tr1::bind (C2065)

  - by Rosarch

  I'm getting a compiler error with bind: using namespace std; bool odp(int arg1, int arg2); // ... find_if(vec.begin(), vec.end(), tr1::bind(odp, iValue, _1)); // C2065 My goal is to curry odp(), so its first argument is iValue, and apply that function in find_if. The error: C2065: '_1' : undeclared identifier. What am I doing wrong?

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• Include code file into C#? Create library for others?

  - by Tomas

  Hi, I would like to know how can I embedd a code source file (if possible), something like that: class X { include "ClassXsource" } My second question - Can I build DLL or something like that for my colleagues to use? I need them to be able to call methods from my "part" but do not modify or view their content. Basically just use namespace "MyNamespace" and call its methods, but I have never done anything like that. Thanks

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• C# syntax to get access to webcontrol in different file (aspx)

  - by Josh

  Within my Website project, I have some aspx pages, javascript files, and a custom C# class I called MyCustomReport. I placed a Image box with an ID of Image1 inside SelectionReport.aspx. I need to get access to that Image1 inside MyCustomReport.cs so I can turn it on and off based on conditions. What code do I need to do this? Thanks everyone

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• How do I understand the 3 lines batch script?

  - by Runner

  ECHO @ECHO OFF ^& (IF EXIST "%%~dp0%~n1.swf" (DEL "%%~dp0%~n1.swf")) ^& %mxmlcPath% %opts% -file-specs "%%~dp0%~nx1" ^& (IF EXIST "%%~dp0%~n1.swf" (CALL "%%~dp0%~n1.swf") ELSE (PAUSE)) > "%~dpn1.bat" REM Immediately execute the generated bat @ECHO on CALL "%~dpn1.bat" It's really a mess for me(like ECHO @ECHO OFF,what's that intended for?), can someone elaborate it?

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• which sql consumes less memory

  - by prmatta

  Yesterday I asked a question on how to re-write sql to do selects and inserts in batches. I needed to do this to try and consume less virtual memory, since I need to move millions of rows here. The object is to move rows from Table B into Table A. Here are the ways I can think of doing this: SQL #1) INSERT INTO A (x, y, z) SELECT x, y, z FROM B b WHERE ... SQL #2) FOREACH SELECT x,y,z FROM B b WHERE ... INSERT INTO A(x,y,z); END FOREACH; SQL #3) FOREACH SELECT FIRST 2000 x,y,z FROM B b WHERE ... INSERT INTO A(x,y,z); END FOREACH; SQL #4) FOREACH SELECT FIRST 2000 x,y,z FROM B b WHERE ... AND NOT EXISTS IN (SELECT * FROM A) INSERT INTO A(x,y,z); END FOREACH; Are any of the above incorrect? The database is informix 11.5.

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• Parse error: expecting `T_STRING' or `T_VARIABLE' or `T_NUM_STRING' in ..?

  - by myaccount

  I tried to put an if statement inside an echo but this parse error came up, is it not possible to do that? should I use heredoc instead? echo "<input name='main_branch' type='radio' value='1' <?php if($restaurant['main_branch'] == 1) { echo "checked"; } ?> />Yes <input name='main_branch' type='radio' value='0' <?php if($restaurant['main_branch'] == 0) { echo " checked"; } ?> />No";

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• C# - Does function get called for each iteration of a foreach loop?

  - by Robert W

  If I have functionality like the following - will ReturnParts() get called for each iteration in a foreach loop, or will it get called just the once? private void PrintParts() { foreach(string part in ReturnParts()) { // Do Something or other. } } private string[] ReturnParts() { // Build up and return an array. }

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• What is the role of `while`-loops in computation expressions in F#?

  - by MizardX

  If you define a While method of the builder-object, you can use while-loops in your computation expressions. The signature of the While method is: member b.While (predicate:unit->bool, body:M<'a>) : M<'a> For comparison, the signature of the For method is: member b.For (items:seq<'a>, body:unit->M<'a>) : M<'a> You should notice that, in the While-method, the body is a simple type, and not a function as in the For method. You can embed some other statements, like let and function-calls inside your computation-expressions, but those can impossibly execute in a while-loop more than once. builder { while foo() do printfn "step" yield bar() } Why is the while-loop not executed more than once, but merely repeated? Why the significant difference from for-loops? Better yet, is there some intended strategy for using while-loops in computation-expressions?

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• Unexpected T_ELSE error in PHP

  - by Jacksta

  I am working on an example from a php book and am getting an error on line 8 with this code <?php $agent = getenv("HTTP_USER_AGENT"); if (preg_match("/MSIE/i", "$agent")); { $result = "You are using Microsoft Internet Explorer"; } else if (preg_match("/Mozilla/i", "$agent")); { $result = "You are using Mozilla firefox"; } else {$result = "you are using $agent"; } echo $result; ?>

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• C++ WCHAR: Cannot allocate an array of constant size 0

  - by Rosarch

  I'm trying to create a WCHAR: LONG bufferSize = foo.bar() + 1; WCHAR wszBaz[bufferSize]; The compiler issues an error: error C2057: expected constant expression error C2466: cannot allocate an array of constant size 0 error C2133: 'wszBaz' unknown size What am I doing wrong? UPDATE: I added const but it still gives the same error: const LONG bufferSize = foo.bar() + 1; WCHAR wszBaz[bufferSize];

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• Ruby: method names ending with : (colon)?

  - by marienbad

  An odd question: Just wondering if it is possible by some loophole to define a method name that ends in a colon. The purpose being things like this: mymethod: arg1,arg2,arg3

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• Why does this Razor syntax gives compilation errors?

  - by dotnetN00b

  I either get a "you need a ; here" or a "best overloaded match has invalid arguments" errors. <tbody> <tr> @for (int i = 0; i < startDay; ++i) { @:<td><span></span><span></span></td> } @for (int j = startDay; j < ((numberOfDays + startDay) - 1); ++j) { <td> <span>@startCount</span> <br /> <span> @{ var todaysEvents = Model.ToList().FindAll(d => d.CalDate.Day == j); foreach(HTMLMVCCalendar.Models.CalendarModel eventsToday in todaysEvents) { foreach(HTMLMVCCalendar.Models.EventModel eventToday in eventsToday.CalEvents) { @eventToday.DayCode.ToString // error here @:<br /> @eventToday.Subject // error here @:<br /> @eventToday.EventDesc //error here } @:<br /> } } </span> </td> if ((j + 1) % 7 == 0) { @:</tr><tr> } @++startCount; } </tr> </tbody>

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• What does ~= mean in MATLAB?

  - by Runner

  I've never seen this operator yet.

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• how to do this pythonic?

  - by Mike

  a = 7 for a in range(10): if a == 7: pass if a == 8: pass if a == 9: pass else: print "yes" how to write it shortly? #like this or... help if a ?????[7,8,9]: pass

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• Just seen a factory style object creating in JavaScript (without literals). What else do I need to k

  - by alex

  I have just seen this in code var thisYear = (new Date()).getFullYear(); See it live on JSbin. This is cool, as I've always done something like that in 2 lines, i.e. create the new object instance and assigned it to a variable, then called the method on it. Is this new method fine to use everywhere? Any gotchas?

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• Question about JavaScript syntax

  - by Sakti

  $(document).ready(function(){ var date = new Date(); var d = date.getDate(); var m = date.getMonth(); var y = date.getFullYear(); var month = new array("January","February","March","April","May","June","July","August","September","October","November","December"); var mon; mon = month(m); var today = m+"/"+d+"/"+y $('#calendar').append('<div id="today">Today is'+' '+mon+'/'+d+'/'+y+'.'); });

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• highlight dicritic arabic text

  - by user602720

  hi this plugin to highlight words but I'm trying to highlight diacritic arabic word like this example : jsfiddle.net/z8PUG/84/ but its not working i tested for three arabic characters '?': '[\u0645\u064b\20\u0645\u064c\20\u0645\u064d\20\u0645\u064e\20\u0645\u064f\20\u0645\u0650\20\u0645\u0651\20\u0645\u0652\20\u0645\u0653]', '?': '[\u062d\u064b\20\u062d\u064c\20\u062d\u064d\20\u062d\u064e\20\u062d\u064f\20\u062d\u0650\20\u062d\u0651\20\u062d\u0652\20\u062d\u0653]', '?': '[\u062f\u064b\20\u062f\u064c\20\u062f\u064d\20\u062f\u064e\20\u062f\u064f\20\u062f\u0650\20\u062f\u0651\20\u062f\u0652\20\u062f\u0653]',

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• variables in batch scripts

  - by richzilla

  I'm trying to set up a batch file to automatically deploy a php app to a web server. Basically, what I want is an entirely automated process: I would just give it a revision number from the repository and it would then export the files, upload via ftp and then update deployment info at the repo host (codebase). However, I'm starting from scratch here. How would I set up a batch file to accept a variable when it was run? For example, the command myfile.bat /revision 42 should deploy revision 42 to my server. If anyone can point me in the right direction I'd appreciate it.

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• Unexpected token }

  - by tann98

  i have a script, to open a model window, but it wont work. google chrome give me "Uncaught SyntaxError: Unexpected token }", but on a line that doesnt even have a closing curly brace. here is my script: function showm(id1){ window.onscroll=function(){document.getElementById(id1).style.top=document.body.scrollTop;}; document.getElementById(id1).style.display="block"; document.getElementById(id1).style.top=document.body.scrollTop; } does anybody have any ideas on this? any help is appreciated.

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• Explaining makefile

  - by Michael

  xpi_built := $(build_dir)/$(install_rdf) \ $(build_dir)/$(chrome_manifest) \ $(chrome_jar_file) \ $(default_prefs) xpi_built_no_dir := $(subst $(build_dir)/,,$(xpi_built)) $(xpi_file): $(build_dir) $(xpi_built) @echo "Creating XPI file." cd $(build_dir); $(ZIP) ../$(xpi_file) $(xpi_built_no_dir) @echo "Creating XPI file. Done!" $(build_dir)/%: % cp -f $< $@ $(build_dir): @if [ ! -x $(build_dir) ]; \ then \ mkdir $(build_dir); \ fi can anyone explain me this makefile part? particularly interested in $(build_dir)/%: % as well as $< and $@ directives two labels $(build_dir) exists, I guess both are executed, but in which order?

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• PHP while(variable=mysql_fetch_assoc) - explanation

  - by Petr

  Hi, I have been working with C# so this is quite strange for me: while($variable=mysql_fetch_assoc) I have not been able to look up in PHP manual how it works. I guess that in each loop it advances to next element of assoc.array. But what is this generally called in PHP? I am just not used to see '=' in loop condition.

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• jQuery on/delegate correct syntax

  - by KryptoniteDove

  As the jQuery API is currently down, is anyone able to assist me with the below? I am ajax loading an unordered list into the web page and need to be able to attach hover and click events to the list items. <ul> <li class="option">Item 1</li> <li class="option">Item 1</li> <li class="option">Item 1</li> </ul> So far I have tried a few variations of the below jQuery code using .on for version 1.7+ $("ul").on("click", "li .option", function(){ alert($(this).text()); }); Can anyone point me in the right direction? I'm aware that .live has been depreciated and that .delegate has been superceeded so really only looking for a solution that will allow me to use .on. Thanks as always!

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• unset in Varnish - syntax error

  - by Dude

  I'm trying to hide the "Server" header returned by Apache on every request, from Varnish. Using in sub vcl_fetch: unset obj.http.Server; on Varnish start I get: Expected action, 'if' or '}' (/etc/varnish/default.vcl Line 43 Pos 9) unset obj.http.Server; --------#####----------------- Any ideas?

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• Why do I see javascript arrays getting created with string.split()?

  - by Matthew

  I see code like this all over the web var days= "Monday Tuesday Wednesday Thursday Friday Saturday Sunday".split(" "); Why do that instead of var days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"];

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• Programming terms - field, member, properties (C#)

  - by Petr

  Hi, I was trying to find meaning of this terms but especially due to language barrier I was not able to understand what they are used for. I assume that "field" is variable (object too?) in the class while "property" is just an object that returns specific value and cannot contain methods etc. By "member" I understand any object that is declared on the class level. But these are just my assumptions based on commented code samples where some careful programmers used "property region" etc. I would really appreciate if someone could explain it to me.

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