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MySQL: how to get the difference between two timestamps in seconds
...and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(TIMEDIFF('2010-08-20 12:01:00', '2010-08-20 12:00:00')) diff;
+------+
| diff |
+------+
| 60 |
+------+
1 row in set (0.00 sec)
You could also use the UNIX_TIMESTAMP() function as @Amber suggested in an other answer:
SELECT UNIX_T...
Create table in SQLite only if it doesn't exist already
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answered Nov 4 '10 at 15:06
David WoleverDavid Wolever
123k7676 gold badges297297 silver badges462462 bronze badges
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Unique combination of all elements from two (or more) vectors
...aybe what you are after
> expand.grid(a,b)
Var1 Var2
1 ABC 2012-05-01
2 DEF 2012-05-01
3 GHI 2012-05-01
4 ABC 2012-05-02
5 DEF 2012-05-02
6 GHI 2012-05-02
7 ABC 2012-05-03
8 DEF 2012-05-03
9 GHI 2012-05-03
10 ABC 2012-05-04
11 DEF 2012-05-04
12 GHI 2012-05-04
13 AB...
PHP Sort Array By SubArray Value
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208
Use usort.
function cmp_by_optionNumber($a, $b) {
return $a["optionNumber"] - $b["optionNumb...
windowSoftInputMode=“adjustResize” not working with translucent action/navbar
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Indrek Kõue
5,90977 gold badges3131 silver badges6666 bronze badges
answered Feb 18 '14 at 17:18
pabliscopablisco
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How do I use the conditional operator (? :) in Ruby?
...form for readability on multiple lines:
question = if question.size > 20 then
question.slice(0, 20) + "..."
else
question
end
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XPath to select element based on childs child value
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306
Almost there. In your predicate, you want a relative path, so change
./book[/author/name = 'J...
Capitalize or change case of an NSString in Objective-C
...g stringWithString:self];
[self enumerateSubstringsInRange:NSMakeRange(0, [self length])
options:NSStringEnumerationBySentences
usingBlock:^(NSString *sentence, NSRange sentenceRange, NSRange enclosingRange, BOOL *stop) {
[mutableSel...
Secret copy to clipboard JavaScript function in Chrome and Firefox?
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edited Dec 30 '10 at 1:33
answered Dec 30 '10 at 1:19
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How can I create an array with key value pairs?
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150
Use the square bracket syntax:
if (!empty($row["title"])) {
$catList[$row["datasource_id"]]...