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How to select the nth row in a SQL database table?
...dard windowing functions:
SELECT * FROM (
SELECT
ROW_NUMBER() OVER (ORDER BY key ASC) AS rownumber,
columns
FROM tablename
) AS foo
WHERE rownumber <= n
(which I just copied from the site linked above since I never use those DBs)
Update: As of PostgreSQL 8.4 the standard windowing...
Does List guarantee insertion order?
...
The List<> class does guarantee ordering - things will be retained in the list in the order you add them, including duplicates, unless you explicitly sort the list.
According to MSDN:
...List "Represents a strongly typed list of objects that can be
a...
How to set up tmux so that it starts up with specified windows opened?
...ex windows, with the select-pane -t 1 where 1 is the number of the pane in order created starting with 0.
tmux new-session \; \
send-keys 'tail -f /var/log/monitor.log' C-m \; \
split-window -v \; \
split-window -h \; \
send-keys 'top' C-m \; \
select-pane -t 1 \; \
split-window -v \; \...
MySQL Data - Best way to implement paging?
...
When using LIMIT for paging you should also specify an ORDER BY.
– Mark Byers
Sep 26 '10 at 18:42
...
How to simplify a null-safe compareTo() implementation?
...gt; NULL_SAFE_COMPARATOR
= new NullComparator(String.CASE_INSENSITIVE_ORDER);
@Override
public int compareTo(Metadata other) {
int result = NULL_SAFE_COMPARATOR.compare(this.name, other.name);
if (result != 0) {
return result;
}
return NULL_SAFE_COMPARATOR.compare(this....
Can I load a UIImage from a URL?
... have modified that library a bit and integrated it with UIImage+Resize in order to add Resize/Crop capabilities to it. If you need that check it out at github.com/toptierlabs/ImageCacheResize
– Tony
Oct 28 '12 at 2:48
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PHP exec() vs system() vs passthru()
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to create an HTML button that acts like a link?
... Seems a little overkill for styling a single button, no? With border, padding, background, and other CSS effects you can style buttons and links to look similar without bringing over an entire framework. The methodology Bootstrap uses is good, however using Bootstrap seems excessive.
...
Fastest way to check if string contains only digits
... testing (always profile because the results depend on hardware, versions, order, etc.):
static bool isDigitsFr(string s) { if (s == null || s == "") return false; for (int i = 0; i < s.Length; i++) if (s[i] < '0' || s[i] > '9') return false; return true; }
static bool isDigitsFu(string s)...
Execution of Python code with -m option or not
...ty issue (see: preload attack). This behavior is similar to library search order in Windows (before it had been hardened recently). It's a pity that Python does not follow the trend and does not offer a simple way to disable adding . to sys.path
Well, this demonstrates the possible issue - (in win...