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Checking if an object is null in C#
I would like to prevent further processing on an object if it is null.
17 Answers
17
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#ifdef vs #if - which is better/safer as a method for enabling/disabling compilation of particular s
...ter of style, but there's a bit of a divide in our dev team and I wondered if anyone else had any ideas on the matter...
19...
How to drop a table if it exists?
...
Is it correct to do the following?
IF EXISTS(SELECT *
FROM dbo.Scores)
DROP TABLE dbo.Scores
No. That will drop the table only if it contains any rows (and will raise an error if the table does not exist).
Instead, for a permanent table you ...
How to check if element has any children in Javascript?
...ve an element which I am grabbing via .getElementById () . How do I check if it has any children?
8 Answers
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Short form for Java if statement
I know there is a way for writing a Java if statement in short form.
15 Answers
15
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'IF' in 'SELECT' statement - choose output value based on column values
I need amount to be amount if report.type='P' and -amount if report.type='N' . How do I add this to the above query?
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AngularJS- Login and Authentication in each route and controller
... service, in the run method you watch when the route changes and you check if the user is allowed to access the requested page, in your main controller you watch if the state of the user change.
app.run(['$rootScope', '$location', 'Auth', function ($rootScope, $location, Auth) {
$rootScope.$on(...
How to check if my string is equal to null?
I want to perform some action ONLY IF my string has a meaningful value. So, I tried this.
27 Answers
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Better way to check if a Path is a File or a Directory?
...en do something with it. This requires me to have a method which performs different actions based on the user's selection.
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Apache Commons equals/hashCode builder [closed]
... .toHashCode();
}
@Override
public boolean equals(final Object obj){
if(obj instanceof Bean){
final Bean other = (Bean) obj;
return new EqualsBuilder()
.append(name, other.name)
.append(length, other.length)
.append(children, other.children)
...