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What happens if you call erase() on a map element while iterating from begin to end?
In the following code I loop through a map and test if an element needs to be erased. Is it safe to erase the element and keep iterating or do I need to collect the keys in another container and do a second loop to call the erase()?
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initializing a Guava ImmutableMap
...tableMap class provides six different of() methods, accepting between zero and five key-value pairings. There is not an of(...) overload accepting a varags parameter because K and V can be different types.
You want an ImmutableMap.Builder:
ImmutableMap<String,String> myMap = ImmutableMap.<...
jQuery check if an input is type checkbox?
I'd like to find out if an input is a checkbox or not, and the following doesn't work:
6 Answers
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Creating a jQuery object from a big HTML-string
...le.net/MCSyr/2/
It parses the arbitrary HTML string into a jQuery object, and uses find to display the result in a div.
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No Exception while type casting with a null in java
...ally print methods call String.valueOf(object) method on the input object. And in valueOf method, this check helps to avoid null pointer exception:
return (obj == null) ? "null" : obj.toString();
For rest of your confusion, calling any method on a null object should throw a null pointer exception...
Group a list of objects by an attribute : Java
...ew HashMap<Integer, List<Student>>();
Iterate over this code and add students to the HashMap:
if (!hashMap.containsKey(locationId)) {
List<Student> list = new ArrayList<Student>();
list.add(student);
hashMap.put(locationId, list);
} else {
hashMap.get(loca...
Bootstrap 3 offset on right not left
...t a narrow column of content on the right I might use an offset class of 9 and a column of 3.
9 Answers
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Access index of the parent ng-repeat from child ng-repeat
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My example code was correct and the issue was something else in my actual code. Still, I know it was difficult to find examples of this so I'm answering it in case someone else is looking.
<div ng-repeat="f in foos">
<div>
<div ng-...
.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
Here's a standard scenario:
11 Answers
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Arguments or parameters? [duplicate]
I often find myself confused with how the terms 'arguments' and 'parameters' are used. They seem to be used interchangeably in the programming world.
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