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How to pass values between Fragments
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I tried step 5, That i'm calling listactivity from fragment and after selecting item from that activity, i want to come back in fragment with selected file name. But its not working, its giving me Nullpointer Exception at onCreateView. Any solution on...
When would I need a SecureString in .NET?
...-securestring .
We should remove encryption from SecureString across all platforms in .NET Core - We should obsolete SecureString - We probably shouldn't expose SecureString in .NET Core
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Immutable vs Mutable types
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Almost, but not exactly. Technically, all variables are passed by reference in Python, but have a semantics more like pass by value in C. A counterexample to your analogy is if you do def f(my_list): my_list = [1, 2, 3]. With pass-by-reference in C, the val...
How to update two tables in one statement in SQL Server 2005?
...se a transaction to make sure that two UPDATE statements are treated atomically. You can also batch them to avoid a round trip.
BEGIN TRANSACTION;
UPDATE Table1
SET Table1.LastName = 'DR. XXXXXX'
FROM Table1 T1, Table2 T2
WHERE T1.id = T2.id
and T1.id = '011008';
UPDATE Table2
SET Table2.WAprr...
Parsing JSON Object in Java [duplicate]
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Performance of org.json is amongst the worst of all libraries + that lib was developed as proof of concept in the early days of JSON. Choose a json lib that performs well: github.com/fabienrenaud/java-json-benchmark
– fabien
Jun 27 '1...
What's the proper value for a checked attribute of an HTML checkbox?
We all know how to form a checkbox input in HTML:
8 Answers
8
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Delete directories recursively in Java
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With Java 7, we can finally do this with reliable symlink detection. (I don't consider Apache's commons-io to have reliable symlink detection at this time, as it doesn't handle links on Windows created with mklink.)
For the sake of history, here's...
How do I check in JavaScript if a value exists at a certain array index?
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Conceptually, arrays in JavaScript contain array.length elements, starting with array[0] up until array[array.length - 1]. An array element with index i is defined to be part of the array if i is between 0 and array.length - 1 inclu...
Rails Object to hash
...ly attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
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Some projects cannot be imported because they already exist in the workspace error in Eclipse
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doesn´t work in all cases, it´s better to rename one of the two.
– Sebastian Juarez
Dec 20 '12 at 7:34
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