What does using mean in c++?
Like : using ::size_t; using ::fpos_t; using ::FILE; In fact it's a question inspired by the comment under this question: http://stackoverflow.com/questions/2532412/when-is-h-not-needed-to-include-a-header-file ...
using
What about the using construct in c#
I see this: using (StreamWriter sw = new StreamWriter("file.txt")) { // d0 w0rk s0n } Everything I try to find info on is does not explain what this doing, and instead gives me stuff about namespaces. ...
missing a using directive or an assembly reference
I'm in the process of writing a small asp.net mvc application that is using the northwind.mdf. When building the solution I get this error: Error 1 The type or namespace name 'Order' could not be found (are you missing a using directive or an assembly reference?) Order is a table in the northwind database. any help is most appreciate...
How to save an avi file from camera to any disk in vc++ using opencv
How to save an avi file from camera to any disk in vc++ using opencv ...
include and using namespace in C++
for using cout, I need to specify both: #include<iostream> and using namespace std; Where is cout defined? in iostream, correct? So, it is that iostream itself is there in namespace std? What is the meaning of both the statements with respect to using cout? I am confused why we need to include them both. ...
How to refresh a webpage in IE
HI all, I have Ishare URL " www.example.com\ishare " which i opened it thru wshshell. I want this page to be reloaded every 10 seconds. any help on this would be much appreciated. following is the script, Dim WSHShell Dim oShell Set WSHShell = WScript.CreateObject("WScript.Shell") WSHShell.Run("iexplore https://Infrastructure/IA/Lis...
Is it possible to force the use of "using" for disposable classes?
I need to force the use of "using" to dispose a new instance of a class. public class MyClass : IDisposable { ... } using(MyClass obj = new MyClass()) // Force to use "using" { } ...
operator << overload
//using namespace std; using std::ifstream; using std::ofstream; using std::cout; class Dog { friend ostream& operator<< (ostream&, const Dog&); public: char* name; char* breed; char* gender; Dog(); ~Dog(); }; im trying to overload the << operator. I'm also trying to practice good...
Can MySQL / SQL's short hand of "Using" be used without saying "Inner Join" ?
The following 2 statements are to join using gifts.giftID = sentgifts.giftID: mysql> select * from gifts, sentgifts using (giftID); ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'using (giftID)' at line 1 and the second one: m...
Why is the ( ) mandatory in the SQL statement "select * from gifts INNER JOIN sentgifts using (giftID);" ?
Why is the ( ) mandatory in the SQL statement select * from gifts INNER JOIN sentgifts using (giftID); ? The ( ) usually is for specifying grouping of something. But in this case, are we supposed to be able to use 2 or more field names...? in the example above, it can be all clear that it is 1 field, is it just that the parser i...
Does a C# using statement perform try/finally?
Suppose that I have the following code: private void UpdateDB(QuoteDataSet dataSet, Strint tableName) { using(SQLiteConnection conn = new SQLiteConnection(_connectionString)) { conn.Open(); using (SQLiteTransaction transaction = conn.BeginTransaction()) { using (SQLiteCommand cmd = new SQLit...
Automate refactor import/using directives, using ReSharper and Visual Studio 2010
I want to automate the Visual Studio 2010 / Resharper 5 auto inserting import directives to put my internal namespaces into the namespace sphere. Like this: using System; using System.Collections.Generic; using System.Linq; using StructureMap; using MyProject.Core; // <--- Move inside. using MyProject.Core.Common; // <--- Mov...
Insert Records in Radgrid using user control.
How can I insert in Radgrid using user control when I clock on the Add New Record. ...
var keyword without 'using someNamespace'
How does Visual Studio/intellisense know what to do with a variable declared as var even if you don't include the necessary using declaration at the top? For example, I have class MyDomainObject defined in a different namespace If I don't declare using TheOtherNameSpace; in the file the following code won't compile: private void Foo() ...
updating changes from one database to another database in the same server
I have a copy of client database say 'DBCopy' which already contains modified data. The copy of the client database (DBCopy) is attached to the SQL Server where the Central Database (DBCentral) exists. Then I want to update whatever changes already present in DBCopy to DBCentral. Both DBCopy and DBCentral have same schema. How can i do ...
return the variable used for using inside the using C#
Hello, I am returning the variable I am creating in a using statement inside the using statement (sounds funny): public DataTable foo () { using (DataTable properties = new DataTable()) { // do something return properties; } } Will this Dispose the properties variable?? After doing this am still getting th...
Detecting a Dispose() from an exception inside using block
I have the following code in my application: using (var database = new Database()) { var poll = // Some database query code. foreach (Question question in poll.Questions) { foreach (Answer answer in question.Answers) { database.Remove(answer); } // This is a sample line that simulate an err...
Getting rid of nested using(...) statements
Sometimes I need to use several disposable objects within a function. Most common case is having StreamReader and StreamWriter but sometimes it's even more than this. Nested using statements quickly add up and look ugly. To remedy this I've created a small class that collects IDisposable objects and disposes of them when it itself is di...
Using block around a static/singleton resource reference
This is interesting (to me anyway), and I'd like to see if anyone has a good answer and explanation for this behavior. Say you have a singleton database object (or static database object), and you have it stored in a class Foo. public class Foo { public static SqlConnection DBConn = new SqlConnection(ConfigurationManager.Connection...
Provisioning Api using java
Hi i'm working in java and tried to retrieve all the user in the domain for that i used Provisionin api............ Its working good But my idea is to Use 2-legged OAuth to retrieve the users from the domain Is it Possible? I dont how to specify the URL please Help me And i triede the following the program final String CONSUMER_KEY...