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Get the POST request body from HttpServletRequest
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In Java 8, you can do it in a simpler and clean way :
if ("POST".equalsIgnoreCase(request.getMethod()))
{
test = request.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
}
sh...
Wrong requestCode in onActivityResult
...this, the requestCode is changed by the Activity that owns the Fragment.
If you want to get the correct resultCode in your activity try this:
Change:
startActivityForResult(intent, 1);
To:
getActivity().startActivityForResult(intent, 1);
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Why should I use 'li' instead of 'div'?
...ed, it can be helpful to distinguish what's in a list and what's not. Say if you have a list of ingredients in a recipe for example, and the user wants to skip to the instructions or just read the list, you need a list.
– Dave Markle
Feb 14 '09 at 19:57
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how do I initialize a float to its max/min value?
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@Yacoby, you might want to clarify that numeric_limits<float>::min() doesn't mean most negative value, it means smallest positive.
– MSN
Apr 21 '10 at 16:35
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What will happen if I modify a Python script while it's running?
...magine a python script that will take a long time to run, what will happen if I modify it while it's running? Will the result be different?
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How can I check a C# variable is an empty string “” or null? [duplicate]
...that can be equal to "" or null. Is there just one function that can check if it's not "" or null?
6 Answers
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How to test an SQL Update statement before running it?
...ffected by running a select using the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
The following will show you which rows will be updated:
SELECT *
FROM foo
WHERE col1 = 1
AND col2 = 'foobar';
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What are the pros and cons of performing calculations in sql vs. in your application
...that scales out; rather than a db server, which scales up)
volume of data (if you need to access/aggregate a lot of data, doing it at the db server will save bandwidth, and disk io if the aggregates can be done inside indexes)
convenience (sql is not the best language for complex work - especially n...
Bootstrap 3 jquery event for active tab change
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If you have to use the change event (regardless of the action from the link), simply use$(document).on('shown.bs.tab', function (e) { console.log('ae'); });
– Aline Matos
May 13 '16 at ...
Array Size (Length) in C#
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If it's a one-dimensional array a,
a.Length
will give the number of elements of a.
If b is a rectangular multi-dimensional array (for example, int[,] b = new int[3, 5];)
b.Rank
will give the number of dimensions (2) an...