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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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'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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How can I check in a Bash script if my local Git repository has changes?
There are some scripts that do not work correctly if they check for changes.
13 Answers
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How to filter multiple values (OR operation) in angularJS
...ant to use the filter in angular and want to filter for multiple values, if it has either one of the values then it should be displayed.
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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)
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Is there shorthand for returning a default value if None in Python? [duplicate]
In C#, I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
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How exactly does tail recursion work?
I almost understand how tail recursion works and the difference between it and a normal recursion. I only don't understand why it doesn't require stack to remember its return address.
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