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Extract digits from a string in Java
... I guess you can downvote anything you like to downvote (no sarcasm intended). But my personal opinion is: when great developers (and we have lots of them here) share some of their advice for free, then I'm going to honor that, and I only downvote stuff that's really awful (check my profile, ...
Jackson Vs. Gson [closed]
...ns of Gson also include streaming reader
Tree model (DOM-like access); can convert between various models (tree <-> java object <-> stream)
Can use any constructors (or static factory methods), not just default constructor
Field and getter/setter access (earlier gson versions only used f...
Why should I use Deque over Stack?
...reason to use Dequeue over Stack is Dequeue has the ability to use streams convert to list with keeping LIFO concept applied while Stack does not.
Stack<Integer> stack = new Stack<>();
Deque<Integer> deque = new ArrayDeque<>();
stack.push(1);//1 is the top
deque.push(1)//1 ...
How to change the color of a CheckBox?
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If your minSdkVersion is 21+ use android:buttonTint attribute to update the color of a checkbox:
<CheckBox
...
android:buttonTint="@color/tint_color" />
In projects that use AppCompat library and support Android versions below 21 you can use a compat version o...
Determine file creation date in Java
...cannot infer type-variable(s) A (argument mismatch; File cannot be converted to Path))
– Hooli
Sep 9 '16 at 15:50
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No submodule mapping found in .gitmodule for a path that's not a submodule
...h actually are gitlinks.
See How to track untracked content? in order to convert such a directory to a real submodule.
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How do I change selected value of select2 dropdown with JqGrid?
... @AdamKDean: One can test additionally whether <select> where converted to select2 control by testing existense of the class select2-offscreen on the <select>. All elements of searching toolbar have id which start with gs_ prefix and have the name like in colModel. You can use get...
What is the string length of a GUID?
...ystem.Guid.NewGuid();
byte[] guidbytes = guid.ToByteArray();
string uuid = Convert.ToBase64String(guidbytes).Trim('=');
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How to get week number in Python?
... This approach is better in cases where you don't want to split or convert a date which comes as a string... just pass the string in strptime in string format as it is and specify the format in second argument. Good solution. Remember: %W if week starts on Mondays.
– Th...
With MySQL, how can I generate a column containing the record index in a table?
...ng a separate SET command.
Test case:
CREATE TABLE league_girl (position int, username varchar(10), score int);
INSERT INTO league_girl VALUES (1, 'a', 10);
INSERT INTO league_girl VALUES (2, 'b', 25);
INSERT INTO league_girl VALUES (3, 'c', 75);
INSERT INTO league_girl VALUES (4, 'd', 25);
INSERT...