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Add object to ArrayList at specified index
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You can use Array of objects and convert it to ArrayList-
Object[] array= new Object[10];
array[0]="1";
array[3]= "3";
array[2]="2";
array[7]="7";
List<Object> list= Arrays.asList(array);
ArrayList will be- [1, null, 2, 3, null...
What is the purpose of static keyword in array parameter of function like “char s[static 10]”?
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The first declaration tells the compiler that someArray is at least 100 elements long. This can be used for optimizations. For example, it also means that someArray is never NULL.
Note that the C Standard does not require the compiler to diagnose when a call to the function...
“Unknown provider: aProvider
...m happening again in the future.
Obviously, you could just use the inline array annotation everywhere, or the (depending on your preference) $inject property annotation and simply try not to forget about it in the future. If you do so, make sure to enable strict dependency injection mode, to catch ...
Ruby arrays: %w vs %W
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%w and %W are examples of General Delimited Input types, that relate to Arrays. There are other types that include %q, %Q, %r, %x and %i.
The difference between upper and lower case is that it gives us access to the features of single and double quote. With single quotes and lowercase %w, we hav...
How do I bind to list of checkbox values with AngularJS?
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There are two ways to approach this problem. Either use a simple array or an array of objects. Each solution has it pros and cons. Below you'll find one for each case.
With a simple array as input data
The HTML could look like:
<label ng-repeat="fruitName in fruits">
<input...
Java: function for arrays like PHP's join()?
...ons Lang has a StringUtils class which has a join function which will join arrays together to make a String.
For example:
StringUtils.join(new String[] {"Hello", "World", "!"}, ", ")
Generates the following String:
Hello, World, !
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Filtering a list based on a list of booleans
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With numpy:
In [128]: list_a = np.array([1, 2, 4, 6])
In [129]: filter = np.array([True, False, True, False])
In [130]: list_a[filter]
Out[130]: array([1, 4])
or see Alex Szatmary's answer if list_a can be a numpy array but not filter
Numpy usually gives ...
Example JavaScript code to parse CSV data
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You can use the CSVToArray() function mentioned in this blog entry.
<script type="text/javascript">
// ref: http://stackoverflow.com/a/1293163/2343
// This will parse a delimited string into an array of
// arrays. The default d...
How does interfaces with construct signatures work?
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@RyanCavanaugh, say you have an array of interfaces const objs: ComesFromString[] = [MadeFromString, AnotherOne, MoreString]; Now, how would I go about creating instances from those? say in a loop: _.each(objs, (x) => makeObj(x)? This will throw an error...
Can I list-initialize a vector of move-only type?
... The recursive pack expansion could be replaced by the dummy array comma operator hack , to save a couple of lines of code
– M.M
Nov 10 '15 at 1:12
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