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What do Clustered and Non clustered index actually mean?
...the case. SQL Server certainly doesn't guarantee that all data files are laid out in a contiguous physical area of disc and there is zero file system fragmentation. It isn't even true that a clustered index is in order within the data file. The degree to which this isn't the case is the degree of lo...
Exact difference between CharSequence and String in java [duplicate]
...s
There are several classes which implement the CharSequence interface besides String. Among these are
StringBuilder for variable-length character sequences which can be modified
CharBuffer for fixed-length low-level character sequences which can be modified
Any method which accepts a CharSeque...
Why is a div with “display: table-cell;” not affected by margin?
... property is not applicable to display:table-cell elements.
Solution
Consider using the border-spacing property instead.
Note it should be applied to a parent element with a display:table layout and border-collapse:separate.
For example:
HTML
<div class="table">
<div class="row"&g...
How To: Best way to draw table in console app (C#)
...
You could do something like the following:
static int tableWidth = 73;
static void Main(string[] args)
{
Console.Clear();
PrintLine();
PrintRow("Column 1", "Column 2", "Column 3", "Column 4");
PrintLine();
PrintRow("", "", "", "");
PrintRow("", "", "", "");
...
What is the best way to implement “remember me” for a website? [closed]
...the standard session management cookie.
The login cookie contains a series identifier and a token. The series and token are unguessable random numbers from a suitably large space. Both are stored together in a database table, the token is hashed (sha256 is fine).
When a non-logged-in user visits the...
Spring Data JPA - “No Property Found for Type” Exception
... is just a service using the UserBoardRepository.
– Didier L
Apr 9 '19 at 15:48
that's my case! I had no problem befor...
In SQL, how can you “group by” in ranges?
...score range], count(*) as [number of occurrences]
from (
select user_id,
case when score >= 0 and score< 10 then '0-9'
when score >= 10 and score< 20 then '10-19'
else '20-99' end as range
from scores) t
group by t.range
...
How to insert a SQLite record with a datetime set to 'now' in Android application?
...es();
initialValues.put("date_created", dateFormat.format(date));
long rowId = mDb.insert(DATABASE_TABLE, null, initialValues);
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jQuery set checkbox checked
I already tried all the possible ways, but I still didn't get it working.
I have a modal window with a checkbox I want that when the modal opens, the checkbox check or uncheck should be based on a database value. (I have that already working with others form fields.) I started trying to get it c...
How to launch jQuery Fancybox on page load?
...ox's version of a modal or light box) on page load. I could bind it to a hidden anchor tag and fire the click event of that anchor tag via JavaScript, but I would rather just launch the Fancybox directly and avoid the extra anchor tag.
...