On a php file that many variables are received by $_REQUEST[] or $_POST[], and I have to check them in case the value is null with the function isset(), it is quite troublesome. Is there a better solution? ...
Hey peepz! I have this footer image, that I want to align to the bottom of the stage, however I'm getting errors. As you can see I have an ADDED_TO_STAGE listener in the constructor function. package src.display{ import flash.text.*; import flash.display.*; import flash.geom.Matrix; import flash.events.Event; public class Frame exten...
Is there an analogous method to StringUtils.defaultString for collections, so you can avoid checking for null value, since in most cases, the desired effect is the same as if it were an empty list? e.g. to replace if (list != null) { for (String item: list) { // ... } } with something like for (String item: ListUtils.defaultList...
For reasons beyond my control, I need to join two tables and I need null values to match. The best option I could think of was to spit out a UUID and use that as my comparison value but it seems ugly SELECT * FROM T1 JOIN T2 ON nvl(T1.SOMECOL,'f44087d5935dccbda23f71f3e9beb491') = nvl(T2.SOMECOL,'f44087d5935dccbda23f71f3e9beb491') ...
Background: today, an issue arose while using SQL Server Reporting Services. It seems that SSRS drop-down parameters in the report viewer don't allow you to indicate a (null) option so that you can see a report where that parameter is null. Basically, table A is a table nullably referencing table B; since the report uses table B to popul...
Hey, I know that you are supposed to use 0 instead of NULL in c++ (even though NULL is defined as 0 in c++ most of the time). Recently I came across some code where "0x0" was used instead though. What is the difference? Thank you! ...
I have a problem with dereferencing a Javascript object and setting it to NULL. Here, I have a Folder implementation that supports recursive subdirectory removal. Please see my comments to understand my dilemma. function Folder(name, DOM_rows) { this.name = name; this.files = [].concat(DOM_rows); this.subdirs = []; } Fold...
In a stored procedure (Oracle in my case), I want to add some values to an existing record. Problem is that both the existing value and the value to be added can be null. I only want the result to be NULL when both operands are null. If only one of them is null, I want the result to be the other operand. If both are non-null, I want the ...
In my Generator class ,I make a new password and also I have a SystemManagements class which imports Generator class (it is in the other package) and I have some information like name and family of user and I make an object which its type is SystemManagement but when i call getPassword() on my object it will return null!!!?????? public ...
I have created a report which links into subreports. I created parameter fields to feed into the parameters of the subreports using subreport links. If I do not add a subreport link and therefore the subreport is prompting for the value directly it will allow the set to null option. However if the enter value prompt is being generated ...
I have the following code which seems to blow up if the column in the datarow (dr) is null. what is the correct way to parse out the value from the data row and handle null checks? Person person = new Person() { FirstName = dr["FirstName"].ToString(), ...
I am trying to make a remove method that works on an array implementation of a list. Can I set the the duplicate element to null to remove it? Assuming that the list is in order. ArrayList a = new ArrayList[]; public void removeduplicates(){ for(a[i].equals(a[i+1]){ a[i+1] = null; } a[i+1] = a[i]; } ...
hey guys: I've been building a website with some animated rollovers, where I animate the background image to give a colour fade effect. It works fine in FF3, Safari, chrome, but IE8 throws the "undefined is null or not an object" error. Full text: Message: 'undefined' is null or not an object Line: 22 Char: 16 Code: 0 URI: http://www.p...
void Insert(AVLnode * & root, string X) { if ( root == NULL) { root = GetNode(X); } else if ( root->info > X ) { Insert(root->left,X); if ( height(root->left) - height(root->right) == 2 ) if ( X < root->left->info ) RotateRR(root); else RotateLR(root); } else if ( root-...
In php, ($myvariable==0) When $myvariable is zero, the value of the expression is true; when $myvariable is null, the value of this expression is also true. How can I exclude the second case? I mean I want the expression to be true only when $myvariable is zero. Of course I can write ($myvariable!=null && $myvariable==0 ) but is ther...
is there a C++ equivalent for C# null coalescing operator? i am doing too many null checks in my code.. so was looking for a way to reduce the amount of null code ...
Hi All, my question is, with some background: I have to generate some sql queries based on the table metadata (column format), and the result is something like: TABLENAME1|COL1 TABLENAME1|COL2 TABLENAME2|COL1 TABLENAME2|COL2 TABLENAME2|COL3 TABLENAME3|COL1 TABLENAME4|COL1 TABLENAME4|COL2 ... /*some other 1800 rows */ (Yeah, it's ord...
Hi, I need help with a testmethod im trying to write... I need to test that a user can show his profile, however i encounter an error when i try to use my mocked GetProfileFromUserName method. The methods returns null. What I Dont understand is that i have a similar method named GetEmail, which basically does the same and works. This i...
We have developed a custom visual studio workflow for SharePoint MOSS. It creates tasks for a document approval process and works fine on our development machines. We are using a main workflow activity and one custom child activity. We use binding on the properties to pass them throughout the workflow, all standard stuff for windows work...
Which is the most reliable way to check if a character array is empty? char text[50]; if(strlen(text) == 0) {} or if(text[0] == '\0') {} or do i need to do memset(text, 0, sizeof(text)); if(strlen(text) == 0) {} Whats the most efficient way to go about this? ...