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Is it possible to get element from HashMap by its position?
...st HashMap.
Here is an approach that will allow you to get a value by its index in the map:
public Object getElementByIndex(LinkedHashMap map,int index){
return map.get( (map.keySet().toArray())[ index ] );
}
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What is a handle in C++?
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A handle can be anything from an integer index to a pointer to a resource in kernel space. The idea is that they provide an abstraction of a resource, so you don't need to know much about the resource itself to use it.
For instance, the HWND in the Win32 API is a h...
Why is SELECT * considered harmful?
...st and weren't needed when the original consumers coded their data access.
Indexing issues. Consider a scenario where you want to tune a query to a high level of performance. If you were to use *, and it returned more columns than you actually needed, the server would often have to perform more ex...
Exception 'open failed: EACCES (Permission denied)' on Android
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For API 23+ you need to request the read/write permissions even if they are already in your manifest.
// Storage Permissions
private static final int REQUEST_EXTERNAL_STORAGE = 1;
private static String[] PERMISSIONS_STORAGE = {
Manifest.permi...
How to ALTER multiple columns at once in SQL Server
...s usually generate their scripts: create a new table and replicate FKs and indexes, etc, drop original table and then rename new table,
– KM.
Sep 8 '16 at 12:24
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Remove carriage return in Unix
...ed will do it, in a complicated way:
$ echo ',s/\r\n/\n/
> w !cat
> Q' | ed infile 2>/dev/null | od -c
0000000 h e l l o \n g o o d b y e \n
0000016
If you don't have any of those tools installed on your box, you've got bigger problems than trying to convert fil...
How to get indices of a sorted array in Python
...[0, 1, 2, 4, 3]
enumerate(myList) gives you a list containing tuples of (index, value):
[(0, 1), (1, 2), (2, 3), (3, 100), (4, 5)]
You sort the list by passing it to sorted and specifying a function to extract the sort key (the second element of each tuple; that's what the lambda is for. Finall...
Filter git diff by type of change
...ssions to filter out extension types and certain paths from a diff file.
^Index.*\.(dll|pdb|exe|txt|zip|log|ism|resx|tlog|htm|lib)$[\s\S.]*?^Index
^Index: Shared/.+$[\s\S.]*?^Index
^Index: Next/source/Utility/.+$[\s\S.]*?^Index
Only problem is, when it reaches the end. You have to 'ctrl+home' and...
How to add local .jar file dependency to build.gradle file?
...ar: dependencies { compile files("libs/something_local.jar" } (i.e. double-quotes not single-quotes) are needed by Groovy to evaluate the path. Single-quotes are taken literally in Groovy.
– specialk1st
Mar 23 '16 at 3:05
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How do I iterate through children elements of a div using jQuery?
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@SouvikGhosh: the index is passed as the first argument to the callback function for each(). Check the docs, linked in the answer above.
– Andy E
Sep 22 '16 at 8:33
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