Search Results

Search found 19928 results on 798 pages for 'matt null'.

Page 3/798 | < Previous Page | 1 2 3 4 5 6 7 8 9 10 11 12  | Next Page >

• what is "=null" and " IS NULL"

  - by user329820

  I want some links for reading about the "=null" and "is null" please help me thanks

  Read the article

• SQL SERVER – Validating Spatial Object as NULL using IsNULL

  - by pinaldave

  Follow up questions are the most fun part of writing a blog post. Earlier I wrote about SQL SERVER – Validating Spatial Object with IsValidDetailed Function and today I received a follow up question on the same subject. The question was mainly about how NULL is handled by spatial functions. Well, NULL is NULL. It is very easy to work…

  Read the article

• Matt Asay on Partisanship

  <b>The-Source.com:</b> "If Microsoft warms up to open source, why not share some plaudits? And even when it gets things wrong, surely it&#8217;s better to politely critique rather than spew invectives?"

  Read the article

• Canonical CTO Matt Zimmerman Speaks

  <b>Daniweb:</b> "There are some secret goings on in the mill at Canonical that he didn't tell us about but I can read between the lines."

  Read the article

• Frugal Tech Show: Podcast with Matt Zimmerman, CTO of Canonical Ltd (Ubuntu)

  <b>Tech Broiler:</b> "We talk about Canonical's upcoming Ubuntu 10.04 LTS release for Desktop and Server, and the company's near term goals for 2010 and 2011."

  Read the article

• C++ segmentation error when first parameter is null in comparison operator overload

  - by user1774515

  I am writing a class called Word, that handles a c string and overloads the <, , <=, = operators. word.h: friend bool operator<(const Word &a, const Word &b); word.cc: bool operator<(const Word &a, const Word &b) { if(a == NULL && b == NULL) return false; if(a == NULL) return true; if(b ==…

  Read the article

• Dereferencing the null pointer

  - by zilgo

  The standard says that dereferencing the null pointer leads to undefined behaviour. But what is "the null pointer"? In the following code, what we call "the null pointer": struct X { static X* get() { return reinterpret_cast<X*>(1); } void f() { } }; int main() { X* x = 0; (*x).f(); // the null pointer? (1) x = X::get(); …

  Read the article

• sql query where parameters null not null

  - by Laziale

  I am trying to do a sql query and to build the where condition dynamically depending if the parameters are null or no. I have something like this: SELECT tblOrder.ProdOrder, tblOrder.Customer FROM tblOrder CASE WHEN @OrderId IS NOT NULL THEN WHERE tblOrder.OrderId = @OrderId ELSE END CASE WHEN @OrderCustomer IS NOT NULL THEN AND…

  Read the article

• IS NULL vs = NULL in where clause + SQL Server

  - by Nev_Rahd

  Hello How to check a value IS NULL [or] = @param (where @param is null) Ex: Select column1 from Table1 where column2 IS NULL => works fine If I want to replace comparing value (IS NULL) with @param. How can this be done Select column1 from Table1 where column2 = @param => this works fine until @param got some value in…

  Read the article

• IS NULL vs = NULL in where clause + MSSQL

  - by Nev_Rahd

  Hello How to check a value IS NULL [or] = @param (where @param is null) Ex: Select column1 from Table1 where column2 IS NULL = works fine If I want to replace comparing value (IS NULL) with @param. How can this be done Select column1 from Table1 where column2 = @param = this works fine until @param got some value in it and if…

  Read the article

• inserting or updating values into null textboxes [closed]

  - by tanya

  this is my sql table structure create table cottonpurchase ( slipNo int null, purchasedate datetime, farmercode int , farmername varchar (100), villagename varchar (100), basicprice int null, premium int null, totalamountpaid int null, weight int null, totalamountbasic int null, totalamountpremium int null, …

  Read the article

• Sql Server Where Case Then Is Null Else Is Not Null

  - by Fabio Montezuma

  I have a procedure which receive a bit variable called @FL_FINALIZADA. If it is null or false I want to restrict my select to show only the rows that contain null DT_FINALIZACAO values. Otherwise I want to show the rows containing not null DT_FINALIZACAO values. Something like this: SELECT * FROM ... WHERE ... AND…

  Read the article

• Ultrawingrid - how to display #1/1/1800# as blank ( as if null )

  - by Charles Hankey

  Ultrawingrid 9.2 VS2008 .net 3.5 My wingrid uses a bindingsource. All datetimes which are null in SQL Server are delivered to the bindingsource as #1/1/1800# I would like Ultrawingrid to display this date as blank as it would a null from source. Also, if the date is null in the grid ( i.e. blanked out ) I would…

  Read the article

• Managed bean property value not set to null

  - by Vladimir

  Hi! I'm new to JSF, so this question might be strange. I have an inputText component's value bound to managed bean's property of type Float. I need to set property to null when inputText field is empty, not to 0 value. It's not done by default, so I added converter with the following method implemented: public…

  Read the article

• Throwing exception vs checking null, for a null argument

  - by dotnetdev

  What factors dictate throwing an exception if argument is null (eg if (a is null) throw new ArgumentNullException() ), as opposed to checking the argument if it is null beforehand. I don't see why the exception should be thrown rather than checking for null in the first place? What benefit is there in the throw…

  Read the article

• Java - JSON Null Exception

  - by user1112111

  Hi, I'm using JSON to deserialize an input string that contains a null value for certain hashmap property. Does anyone have any clue why this exception occurs ? Is it possible that null is not accepted as a value Is this configurable somehow ? input sample: {"prop1":"val1", "prop2":123, "prop3":null} …

  Read the article

• How can a not null constraint be dropped?

  - by Tomislav Nakic-Alfirevic

  Let's say there's a table created as follows: create table testTable ( colA int not null ) How would you drop the not null constraint? I'm looking for something along the lines of ALTER TABLE testTable ALTER COLUMN colA DROP NOT NULL; which is what it would look like if I used PostgreSQL. To my…

  Read the article

• MySQL Query Browser How do I enter NULL ?

  - by rlb.usa

  Stupid question: In SQL, I know I can do UPDATE TableA SET MyColumn=NULL But, how do I enter NULL into a cell graphically? I tried entering 'null' and 'NULL' and '' (nothing/empty string) into the MySQL Query Browser with no success.

  Read the article

• Negate the null-coalescing operator

  - by jhunter

  I have a bunch of strings I need to use .Trim() on, but they can be null. It would be much more concise if I could do something like: string endString = startString !?? startString.Trim(); Basically return the part on the right if the part on the left is NOT null, otherwise just return the null…

  Read the article

• Why cast null before checking if object is equal to null?

  - by jacerhea

  I was looking through the "Domain Oriented N-Layered .NET 4.0 Sample App" project and ran across some code that I do not understand. In this project they often use syntax like the following to check arguments for null: public GenericRepository(IQueryableContext context,ITraceManager…

  Read the article

• How to check if a BOOL is null?

  - by Sheehan Alam

  Is there a way I can check to see if a value is NULL/Nil before assigning it to a BOOL? For example, I have a value in a NSDictionary that can be either TRUE/FALSE/NULL mySTUser.current_user_following = [[results objectForKey:@"current_user_following"]boolValue]; When the value is…

  Read the article

• When is `x IS NOT NULL` not the same as `NOT(x IS NULL)`

  - by Mark Hurd

  For what x is The expression x IS NOT NULL is not equal to NOT(x IS NULL), as is the case in 2VL (quote from this answer, which is quoting Fabian Pascal Practical Issues in Database Management - A Reference for the Thinking Practitioner -- near the end of that answer) My guess…

  Read the article

• Unique ways to use the Null Coalescing operator

  - by Atomiton

  I know the standard way of using the Null coalescing operator in C# is to set default values. string nobody = null; string somebody = "Bob Saget"; string anybody = ""; anybody = nobody ?? "Mr. T"; // returns Mr. T anybody = somebody ?? "Mr. T"; // returns "Bob Saget" But what…

  Read the article

• Deep Null checking, is there a better way?

  - by Mattias Konradsson

  We've all been there, we have some deep property like cake.frosting.berries.loader that we need to check if it's null so there's no exception. The way to do is is to use a short-circuiting if statement if (cake != null && cake.frosting != null &&…

  Read the article

• SQL-Join with NULL-columns

  - by tstenner

  I'm having the following tables: Table a +-------+------------------+------+-----+ | Field | Type | Null | Key | +-------+------------------+------+-----+ | bid | int(10) unsigned | YES | | | cid | int(10) unsigned | YES | |…

  Read the article

< Previous Page | 1 2 3 4 5 6 7 8 9 10 11 12  | Next Page >