Search Results

Search found 25852 results on 1035 pages for 'linq query syntax'.

Page 712/1035 | < Previous Page | 708 709 710 711 712 713 714 715 716 717 718 719  | Next Page >

  • Best way to reverse a string in C# 2.0

    - by Guy
    I've just had to write a string reverse function in C# 2.0 (i.e. LINQ not available) and came up with this: public string Reverse(string text) { char[] cArray = text.ToCharArray(); string reverse = String.Empty; for (int i = cArray.Length - 1; i > -1; i--) { reverse += cArray[i]; } return reverse; } Personally I'm not crazy about the function and am convinced that there's a better way to do it. Is there?

    Read the article

  • Error when customize ValidationMessageFor

    - by user1542080
    i want to customize ValidationMessageFor which display error. when i run application, a get an error : No overload for method 'ValidationMessageFor' takes 1 arguments I'm understand my error, but i don't know how to fix it ? I need some suggest . Thanks you for reading! My code : using System.Linq.Expressions; using System.Web; using System.Web.Mvc; namespace OurCompanyUI.app_code { public static class MyHtml { public static MvcHtmlString ValidationMessageFor<TModel, TProperty>( this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TProperty>> expression, string validationMessage, IDictionary<string, Object> htmlAttributes ) { string modelName = ExpressionHelper.GetExpressionText(expression); TagBuilder p = new TagBuilder("p"); p.InnerHtml = htmlHelper.ValidationMessageFor(htmlHelper,expression).ToString(); // p.InnerHtml = htmlHelper.ValidationMessageFor().ToString(); return MvcHtmlString.Create(p.ToString(TagRenderMode.Normal)); } } }

    Read the article

  • Avaliable parallel technologies in .Net

    - by David
    I am new to .Net platform. I did a search and found that there are several ways to do parallel computing in .Net: Parallel task in Task Parallel Library, which is .Net 3.5. PLINQ, .Net 4.0 Asynchounous Programming, .Net 2.0, (async is mainly used to do I/O heavy tasks, F# has a concise syntax supporting this). I list this because in Mono, there seem to be no TPL or PLINQ. Thus if I need to write cross platform parallel programs, I can use async. .Net threads. No version limitation. Could you give some short comments on these or add more methods in this list? Thanks.

    Read the article

  • Does Adding more namespace in the code file affect performace ?

    - by Harikrishna
    If we imports more namespace in the code file(cs file) then it affects on perfomance ? Like we should add namespace in the cs file as needed. That is adding more namespace in the cs file affects performance ? Like using System; using System.Data.Sql; using System.Collections.Generic; using System.Data; using System.IO; using System.Linq; using System.Text.RegularExpressions; using System.Windows.Forms; using System.Xml; using System.Data.SqlClient; using System.ComponentModel;

    Read the article

  • Weird behaviour of jquery's hide/show with the 'slide' effect. How to change?

    - by Tommy
    When doing $('.mydiv').show('slide', {direction:up}, 1500); //syntax may be a little off jQuery seems to - just before starting the animation - make room for the soon to be showed div. This creates a non-smooth effect making all elements below the showed div shift away in one big go. I would like to see the elements below the div move away as the div is animated/showed. The jQuery native hide()/show() function works like this, how come the slide effect of hide/show doesn't? Anyone knows how to fix it?

    Read the article

  • Get REST Call is not returning the string I put in url

    - by wizage
    I have very simple code: using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Net.Http; using System.Web.Http; namespace Calculator.Controllers { public class CalcController : ApiController { public string Get(string type) { return type; } } } And this is what it returns when I type in http://www.example.com/api/calc/test <string xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.microsoft.com/2003/10/Serialization/" i:nil="true"/> When I use http://www.example.com/api/calc/?test=test it returns this: <string xmlns="http://schemas.microsoft.com/2003/10/Serialization/">type</string> How to I make it so I can just do the top one instead of the bottom one?

    Read the article

  • Problem in populating a dictionary object using Enumerable.Range() (C#3.0)

    - by Newbie
    If I do for (int i = 0; i < appSettings.Count; i++) { string key = appSettings.Keys[i]; euFileDictionary.Add(key, appSettings[i]); } It is working fine. When I am trying the same thing using Enumerable.Range(0, appSettings.Count).Select(i => { string Key = appSettings.Keys[i]; string Value = appSettings[i]; euFileDictionary.Add(Key, Value); }).ToDictionary<string,string>(); I am getting a compile time error The type arguments for method 'System.Linq.Enumerable.Select(System.Collections.Generic.IEnumerable, System.Func)' cannot be inferred from the usage. Try specifying the type arguments explicitly. Any idea? Using C#3.0 Thanks

    Read the article

  • Find records produced in the last hour

    - by justSteve
    I have a smalldatetime field named myTime recording when the record was created. I need the syntax that selects records created within the last hour. thought it would be: and DATEDIFF("hh", datePart(hh, myTime), DatePart(hh, GETDATE()) < 1 where datediff 1) looks for hours; 2) looks at the hours portion of the data in myTime as starting; 3) looks at the hours portion of now for ending 3) produces an int that gets compared to '1' the results i'm getting are clearly way, way off base cuz umm...clearly...i don't know what i'm doing. help? thx

    Read the article

  • Why does this static factory method involving implied generic types, work?

    - by Cheeso
    Consider public class Tuple<T1, T2> { public Tuple(T1 v1, T2 v2) { V1 = v1; V2 = v2; } public T1 V1 { get; set; } public T2 V2 { get; set; } } public static class Tuple { // MAGIC!! public static Tuple<T1, T2> New<T1, T2>(T1 v1, T2 v2) { return new Tuple<T1, T2>(v1, v2); } } Why does the part labeled "MAGIC" in the above work? It allows syntax like Tuple.New(1, "2") instead of new Tuple<int, string>(1, "2"), but ... how and why? Why do I not need Tuple.New<int,string>(1, "2") ??

    Read the article

  • python: creating a list inside a dictionary

    - by user1871081
    I just started using python and I'm trying to create a program that will read a file that looks like this: AAA x 111 AAB x 111 AAA x 112 AAC x 123 ... the file is 50 lines long and I'm trying to make the letters into keys in a dictionary and the numbers lists that correspond with the keys. I want the output to look like this: {AAA: ['111', '112'], AAB: ['111'], AAC: [123], ...} This is what I've tried file = open("filename.txt", "r") readline = file.readline().rstrip() while readline!= "": list = [] list = readline.split(" ") j = list.index("x") k = list[0:j] v = list[p + 1:] d = {} if k in d == False d[k] = [] d[k].append(v) else d[k].append(v) readline = file.readline().rstrip() I keep getting syntax errors on my if statement and I can't figure out what I've done wrong.

    Read the article

  • C# - opening process and changing window position

    - by bartq
    I want to open from c# an application (standalone flashplayer) and set it position to (0,0) on the screen. How can I do this? So far I've managed to open flashplayer: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Diagnostics; namespace swflauncher { class Program { static void Main(string[] args) { Process flash = new Process(); flash.StartInfo.WindowStyle = ProcessWindowStyle.Normal; flash.StartInfo.FileName = "D:\\development\\flex4\\runtimes\\player\\10\\win\\FlashPlayer.exe"; flash.Start(); } } }

    Read the article

  • emacs debugger: how can I step-out, step-over ?

    - by Cheeso
    I don't know why I'm having so much trouble groking the documentation for the elisp debugger. I see it has a commands to "step-into" (d). But for the life of me, I cannot see a step-out or step-over. Can anyone help? If I have this in the Backtrace buffer: Debugger entered--returning value: 5047 line-beginning-position() * c-parse-state() * byte-code("...") * c-guess-basic-syntax() c-show-syntactic-information(nil) call-interactively(c-show-syntactic-information) ...where do I put the cursor, and what key do I type, to step out of the parse-state() fn ? by that I mean, run until that fn returns, and then stop in the debugger again.

    Read the article

  • jquery load data

    - by nabizan
    dumbest question ever... but I want to somehow fill 'gid' value in data load gid = 123; from = 33; to = 44; $('#x').load('y', {'range['+gid+'][]' : [from , to]}); so I could get [range] => Array ( [123] => Array ( [0] => 33 [1] => 44 ) ) but with this syntax 'range['+gid+'][]' I get 'missing : after property id'. I'm desperate...

    Read the article

  • SQL Server PIVOT on key-value table

    - by Zenox
    I have a table that has attributes based on a key-value. Example: CREATE TABLE ObjectAttributes ( int objectId, key nvarchar(64), value nvarchar(512) ) When I select from this I get: objectId key value ---------------------------- 1 Key 1 Value 1 1 Key 2 Value 2 I was wondering if I could use the PIVOT syntax to turn this into: objectId Key 1 Key 2 --------------------------- 1 Value 1 Value 2 I know all of my tables will have the same keys. (Unfortunately I cannot easily change the table structure. This is what is leading me to attempt using PIVOTS). The big issue here though is that pivots require an aggression function to be used. Is there a way to avert this? Am I completely wrong attempting this? Or is there a better solution?

    Read the article

  • How do I put these: @{$subset}, [@ext_subset], [$last_item] in PHP?

    - by Alex
    I'm having trouble translating a subroutine from Perl to PHP (I'm new to Perl). The entire subroutine is as follows: sub find_all_subsets { if (1 == scalar (@_)) {return [@_]} else { my @all_subsets = () ; my $last_item = pop (@_) ; my @first_subsets = find_all_subsets (@_) ; foreach my $subset (@first_subsets) { push (@all_subsets, $subset) ; my @ext_subset = @{$subset} ; push (@ext_subset, $last_item) ; push (@all_subsets, [@ext_subset]) ; } push (@all_subsets, [$last_item]) ; return (@all_subsets) ; } } My problem is that I really don't quite understand the Perl syntax, so I'm having trouble writing these @{$subset}, [@ext_subset] and [$last_item] in PHP. Thanks and sorry if the question is stupid.

    Read the article

  • Is it possible to supply template parameters when calling operator()?

    - by Paul
    I'd like to use a template operator() but am not sure if it's possible. Here is a simple test case that won't compile. Is there something wrong with my syntax, or is this simply not possible? struct A { template<typename T> void f() { } template<typename T> void operator()() { } }; int main() { A a; a.f<int>(); // This compiles. a.operator()<int>(); // This compiles. a<int>(); // This won't compile. return 0; }

    Read the article

  • how i insert values from list of Data Grid View,current time ,EmployeeID using button click event (C

    - by Six fourty
    hi, it show me this error Incorrect syntax near the keyword 'Select' to make to clear Employee ID in this case is FK in the table (Attendance detail) and the other thing is i am using Data Grid View from another table(Employee information) to Show the list of the staff in my form. then i want to transfer each selected cell value from Data Grid View to attendance detail table. 10q private void time_in_Click(object sender, EventArgs e) { employee_InformationDataGridView.SelectedCells[0].Style.ForeColor = Color.Green; time_in.Enabled = false; time_out.Enabled = true; con = new SqlConnection(GlobalClass.conn); con.Open(); SqlCommand cmd = new SqlCommand("Insert into Attendancedetail Values(" + "Select from EmployeeInformation(EmployeeID)" + ",'" + employee_InformationDataGridView.SelectedCells[0] + "','" + DateTime.Now.ToLongDateString() + "','" + null + "','" + null + "','" + DateTime.Now.ToLongTimeString() + "'," + null + ")", con); int i = cmd.ExecuteNonQuery(); MessageBox.Show(i.ToString() + " record inserted"); }

    Read the article

  • javascript : make a new safe class constructor

    - by guilin ??
    sometimes we loss the new keyword when define new object, obj = new Clazz(); //correct obj = Clazz(); //wrong, but no syntax error, hard to debug. I want to write a function to help me create Class and make it new safe. var Class = function(constructor){ //when constructor // if not call by new return new constructor(); // else constructor(); } var MyClazz = Class(function(name){ this.name = name }, SuperClazz1, SuperClass2 ) MyClazz.extend({ show: function(){console.log(this.name)} }) obj1 = new MyClazz(); obj2 = MyClazz(); // obj1 should same as obj2 Is it possible, any exists module?

    Read the article

  • Problems making an accurate Visual Studio scheme for Vim (vim scheme specialist needed) .

    - by janoChen
    I'm trying to make an accurate Visual Studio scheme. I set hi function to blood color (#9A1102) for the "CSS function" (selector). But now the brackets with properties (id, class) in html elements also have blood color: (ironically the same color here in Stackoverflow). But I want them blue (#2902FC) e.g.: <div class="first"> <div id="nopic"> Sample of code: " Syntax highlighting hi Comment guifg=#777777 gui=none hi Todo guifg=#8f8f8f gui=none hi Constant guifg=#e5786d gui=none hi String guifg=#2902FC gui=none hi Identifier guifg=#2902FC gui=none hi Function guifg=#9A1102 gui=none hi Type guifg=#EF2811 gui=none hi Statement guifg=#9A1102 gui=none hi Keyword guifg=#9A1102 gui=none hi PreProc guifg=#2902FC gui=none hi Number guifg=#2902FC gui=none hi Special guifg=#2902FC gui=none " Bottom hi Question guifg=white gui=none hi Question ctermfg=white term=none hi ModeMsg guifg=white gui=none

    Read the article

  • is NATURAL JOIN any better than SELECT FROM WHERE in terms of performance ?

    - by ashy_32bit
    Today I got into a debate with my project manager about Cartesian products. He says a 'natural join' is somehow much better than using 'select from where' because the later cause the db engine to internally perform a Cartesian product but the former uses another approach that prevents this. As far as I know, the natural join syntax is not any different in anyway than 'select from where' in terms of performance or meaning, I mean you can use either based on your taste. SELECT * FROM table1,table2 WHERE table1.id=table2.id SELECT * FROM table1 NATURAL JOIN table2 please elaborate about the first query causing a Cartesian product but the second one being somehow more smart

    Read the article

  • Vim plugin only works when file is provided as arg to launch command

    - by nsfyn55
    I am using the plugin java_getset.vim. The issue is that the plugin's commands are only available when I launch vim with the file as an argument. user@machine~: vim myfile.java If launch vim and use command-t or NerdTree to open the file in a buffer the plugin's commands are not accessible. All the filetype detection stuff is configured and working(I have syntax highlighting and indentation). The plugin source appears to be written to the letter according the the vim docs for a filetype plugin. Can anyone help me understand what changes a can make so that I can use this plugin in conjunction with Command-t?

    Read the article

  • See queries that hit SQL

    - by Shaded
    I have a really basic stupid easy question about sql... and I'll probably get -100 points... but here it goes anyway... Is there a way using sql 2008 Management Studio to look at the queries that hit the server? I'm trying to debug a program and I get messages like "Incorrect syntax near the keyword 'AND'". Since the queries are being dynamically generated it's a hassle to figure out what is going to the server. Any help is appreciated!

    Read the article

  • including a string as a parameter to a function in a header file? c++

    - by Nara
    hello everyone, total newbie is here :) i have this header file, zeeheader.h, and i wrote some classes in it, i'm having problems giving a string as a parameter to one of the functions: class DeliTest { public: void DeliCheck(Stack*,string); void ComCheck (unsigned,string); bool EofCheck (unsigned,string); }; as i was implementinng it in the cpp file, i added #include to it, it seemed to be working, for example : as i was writing the "data." i got the "length()" appear by the intellisense, so i thought that it was working, but it wasn't. i got errors like: syntax error : identifier 'string' overloaded member function not found in 'DeliTest' this is one of the fucntions in the cpp file: bool DeliTest::EofCheck(unsigned i, string data) { if (i == data.length()-1) return 1; return 0; } am i supposed to be adding something to the header file??

    Read the article

  • Ruby does not run code correctly

    - by seefour
    I run this basic code in Ruby (on Windows): def hello () puts 'test' end hello and the Interpreter throws me this error: app.ru:1: syntax error, unexpected tIDENTIFIER, expecting $end hello puts 'test' It seems like Ruby is skipping lines? I've tried various encoding formats, other code and it still gives me an error similar to this. Why is it happening? EDIT The suggestions were to either use different editors or semi-colons to see if the lines were an issue. The version is also new - 1.9.3p327, so that shouldn't have been a problem. Parentheses aren't a problem either.

    Read the article

  • Django: Is it possible to attach media files (css, javascript etc) to a View-class?

    - by mrmclovin
    I can't fins any information on how to define css or javascript files in a view like: class MyView(View): .... class Media: css = { 'all' : 'mystyle.css' } If you have a form you can do like: class MyForm(ModelForm): .... class Media: css = { 'all' : 'mystyle.css' } And then in the template you can print the files like; {{ form.media.css }} I like that Syntax very much and I like to keep the View-specific css files in the app-directory. Does anyone know if it's possible? Thanks!

    Read the article

< Previous Page | 708 709 710 711 712 713 714 715 716 717 718 719  | Next Page >