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Paging with Oracle
...T * FROM
(
SELECT a.*, rownum r__
FROM
(
SELECT * FROM ORDERS WHERE CustomerID LIKE 'A%'
ORDER BY OrderDate DESC, ShippingDate DESC
) a
WHERE rownum < ((pageNumber * pageSize) + 1 )
)
WHERE r__ >= (((pageNumber-1) * pageSize) + 1)
...
Unique random string generation
...ose from the entire allowedCharSet, ignore
// the value in order to avoid biasing the result.
var outOfRangeStart = byteSize - (byteSize % allowedCharSet.Length);
if (outOfRangeStart <= buf[i]) continue;
result.Append(allowedCharSet[...
On design patterns: When should I use the singleton?
...ler. Your application should only have a single instance of the spooler in order to avoid conflicting request for the same resource.
Or a database connection or a file manager etc.
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improve ...
Prevent dialog dismissal on screen rotation in Android
...o an attribute of the Activity and in onPause() dismiss() it if showing in order to avoid a WindowLeak. Hope it helps!
– Caumons
Feb 23 '12 at 14:36
add a comment
...
Failed to install Python Cryptography package with PIP and setup.py
... macOS 10.12 with Python3.7 (in a virtualenv) when needing cryptography in order to install ansible.
– jalanb
Jan 22 '18 at 22:18
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...
Create Windows service from executable
...u'll (almost certainly) have to run the command prompt as Administrator in order for this command to work
– Jeutnarg
Aug 29 '16 at 21:10
2
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How can I get form data with JavaScript/jQuery?
...
Please also beware that in order to record a value from any form input, the input must have a name attribute.
– Chris - Jr
Oct 27 '17 at 19:37
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What must I know to use GNU Screen properly? [closed]
...ing to split my terminal. I didn't realize I needed to run screen first in order to get any of these commands to work, silly, I know.
– Ogaday
Nov 3 '15 at 11:49
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How to check whether an object is a date?
...
In order to check if the value is a valid type of the standard JS-date object, you can make use of this predicate:
function isValidDate(date) {
return date && Object.prototype.toString.call(date) === "[object Date]" &...
Difference between >>> and >>
...ts are interpreted in two's complement.
Therefore, if you are shifting in order to divide by a power of two, you want the arithmetic right shift (v >> n). It returns a value in which the bits in v have been shifted to the right by n bit positions, and copies of the leftmost bit of v are shift...