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  • how to declare a public string with a textbox's text

    - by Ian Lundberg
    i am trying to do public string str = txtText.Text; but it wont let me use txtText.txt so how would I declare that so it can be used everywhere? I can't use it in the button1_click event because if I do it messes it up because I am having a string retrieve from the textbox and set to the textbox so it doesn't work right so I have to have it retrieve the textbox's text somewhere else then set to it.

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  • Uses for the capacity value of a string

    - by dreamlax
    In the C++ Standard Library, std::string has a public member function capacity() which returns the size of the internal allocated storage, a value greater than or equal to the number of characters in the string (according to here). What can this value be used for? Does it have something to do with custom allocators?

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  • Have I to count transactions before rollback one in catch block in T-SQL?

    - by abatishchev
    I have next block in the end of each my stored procedure for SQL Server 2008 BEGIN TRY BEGIN TRAN -- my code COMMIT END TRY BEGIN CATCH IF (@@trancount > 0) BEGIN ROLLBACK DECLARE @message NVARCHAR(MAX) DECLARE @state INT SELECT @message = ERROR_MESSAGE(), @state = ERROR_STATE() RAISERROR (@message, 11, @state) END END CATCH Is it possible to switch CATCH-block to BEGIN CATCH ROLLBACK DECLARE @message NVARCHAR(MAX) DECLARE @state INT SELECT @message = ERROR_MESSAGE(), @state = ERROR_STATE() RAISERROR (@message, 11, @state) END CATCH or just BEGIN CATCH ROLLBACK END CATCH ?

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  • SQL Server: How to get a subitem of sp_helplanguage ?

    - by Quandary
    Question: I can get the SQL Server database language by querying: SELECT @@language And I can get further info via EXEC sp_helplanguage How can I query for a column of sp_helplanguage where name= @@language I do SELECT * FROM sp_helplanguage WHERE name='DEUTSCH' but that obviously doesn't work. What's the correct way to query it ?

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  • Delete System Files containing string

    - by Fuzz Evans
    I am trying to write a batch file that will examine a given directory, read each file for a given string "Example" and then delete any files that contain the string. The files are also System Files so I don't know what the exact extension is or if that matters (maybe you can just omit a file type filter and have it read all files?). Some of the files will be locked from reading as well so it needs to handle access denial errors if that occurs, not sure how batch files handle that.

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  • How to process this string via regular expression

    - by iiduce
    my string style like this: expression1/field1+expression2*expression3+expression4/field2*expression5*expression6/field3 a real style mybe like this: computer/(100)+web*mail+explorer/(200)*bbs*solution/(300) "+" and "*" represent operator "computer","web"...represent expression (100),(200) represent field num . field num may not exist. I want process the string to this: /(100)+web*+explorer/(200)bbs/(300) rules like this: if expression length is more than 3 and its field is not (200), then add brackets to it.

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  • How to include the total number of returned rows in the resultset from SELECT T-SQL command?

    - by quarkX
    I would like to ask if there is a way to include the total number of rows, as an additional column, in the returned result sets from a TSQL query using also the Row_Number (SQL 2005) command. For example, getting the results set from a query against Book table in a form similar to this: RowNum BookId BookTitle TotalRows -------------------------------------------- 1 1056 Title1 5 2 1467 Title2 5 3 121 Title3 5 4 1789 Title4 5 5 789 Title5 5

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  • Odd SQL behavior, I'm wondering why this works the way it does.

    - by Matthew Vines
    Consider the following Transact sql. DECLARE @table TABLE(val VARCHAR(255) NULL) INSERT INTO @table (val) VALUES('a') INSERT INTO @table (val) VALUES('b') INSERT INTO @table (val) VALUES('c') INSERT INTO @table (val) VALUES('d') INSERT INTO @table (val) VALUES(NULL) select val from @table where val not in ('a') I would expect this to return b, c, d, NULL but instead it returns b, c, d Why is this the case? Is NULL not evaluated? Is NULL somehow in the set 'a'?

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  • Way to partialy match a Ruby string using Regexp

    - by Fabiano PS
    I'm working on 2 cases: assume I have those var: a = "hello" b = "hello-SP" b = "not_hello" 1 - Any partial matches I want to accept any string that has the var a inside, so b and c would match. 2 - Patterned match I want to match a string that has a inside, followed by '-', so b would match, c does not. I am having problem, because I always used the syntax /expression/ to define Regexp, so how dinamicaly define an RegExp on Ruby??

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  • PHP string to object name.

    - by Smickie
    Ok I have a string... $a_string = "Product"; and I want to use this string in a call to a object like this: $this->$a_string->some_function(); How the dickens do I dynamically call that object? (don't think Im on php 5 mind)

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  • ADO.NET connection string and password with "=" in it

    - by Philippe Leybaert
    How do I build a connection string which includes a passsword having a "=" in it? (I'm connecting to MySql 5.1) For example, let's say the password is "Ge5f8z=6", what would the connection string look like? I tried: Server=DBSERV;Database=mydb;UID=myuser;PWD="Ge5f8z=6"; and Server=DBSERV;Database=mydb;UID=myuser;PWD=Ge5f8z=6;" Both don't work.

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  • String literals in python

    - by kjakeb
    Hello, Is there a way to declare a string variable in python such that everything inside of it is automatically escaped, or has its literal character value? I'm NOT asking how to escape the quotes with slashes, that's obvious. What I'm asking for is a general purpose way for making EVERYTHING in a string literal so that I don't have to manually go through and escape everything for very large strings. Anyone know of a solution? Thanks!

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