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How to test an SQL Update statement before running it?
...e 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';
shar...
Count number of days between two dates
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10 Answers
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Dealing with “Xerces hell” in Java/Maven?
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Why use make over a shell script?
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132
The general idea is that make supports (reasonably) minimal rebuilds -- i.e., you tell it what...
Safari 3rd party cookie iframe trick no longer working?
...in because I think the playing field has changed, perhaps after February 2012. One of the standard tricks to get 3rd party cookies in Safari was as follows: use some javascript to POST to a hidden iframe. It (used to) trick Safari into thinking that the user had interacted with the 3rd party content...
How do I find the next commit in git? (child/children of ref)
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14 Answers
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Why does the JVM still not support tail-call optimization?
... the results were
surprising. Running on Sun's Hotspot
JVM for version 1.3 reveals that
Hotspot doesn't perform the
transformation. At default settings,
the stack space is exhausted in less
than a second on my machine. On the
other hand, IBM's JVM for version 1.3
purrs along without...
Append TimeStamp to a File Name
...following custom format specifiers y (year), M (month), d
(day), h (hour 12), H (hour 24), m (minute), s (second), f (second
fraction), F (second fraction, trailing zeroes are trimmed), t (P.M or
A.M) and z (time zone).
With Extension Method
Usage:
string result = "myfile.txt".AppendTimeS...
How to get maximum value from the Collection (for example ArrayList)?
...aximum value in this list. E.g. suppose the arrayList stored values are : 10, 20, 30, 40, 50 and the max
value would be 50 .
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