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Can anyone explain IEnumerable and IEnumerator to me? [closed]
...le.
When you write code like:
foreach (Foo bar in baz)
{
...
}
it's functionally equivalent to writing:
IEnumerator bat = baz.GetEnumerator();
while (bat.MoveNext())
{
bar = (Foo)bat.Current
...
}
By "functionally equivalent," I mean that's actually what the compiler turns the code i...
How to make CSS width to fill parent?
...
Hey, thanks. Also having fun with tables deciding to bleed though anyways. I assume tables have the same behavior as the divs?
– Dmitriy Likhten
Feb 9 '10 at 21:00
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MySQL - why not index every field?
...
123
Indexes take up space in memory (RAM); Too many or too large of indexes and the DB is going to...
How does the Amazon Recommendation feature work?
...the data the better the model - and Amazon is BIG. I can only imagine how fun it is to play with models with that much data in a commerce driven site. Now many of those algorithms (like the predictor that started out in commerce server) have moved on to live directly within Microsoft SQL.
The fou...
How do I add custom field to Python log format string?
...getLogger('Test')
if __name__=='__main__':
logger.logMessage('ERROR','123','This is an error')
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Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail
...crawford.com/jquery-1.3.2.min.js"><\/script>');
}
window.onload = function() {
$('#test').css({'border':'2px solid #f00'});
};
</script>
</head>
<body>
<p id="test">hello jQuery</p>
</body>
</html>
The way it works is to use the google obj...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
... to automate the creation of the ~100 columns, and COPY does not have this functionality, as of PG 9.3 at least.
– Daniel Vérité
Jul 28 '14 at 15:00
2
...
How to debug stream().map(…) with lambda expressions?
...ring[] args) {
List<Integer> naturals = Arrays.asList(3247,92837,123);
List<Integer> result =
naturals.stream()
.map(DebugLambda::timesTwo)
.collect(toList());
}
This might make it easier to see what's going on while you're debugging. In addition...
Explanation of JSONB introduced by PostgreSQL
...esentation, why jsonb doesn't support this? UPDATE test SET data->'a' = 123 WHERE id = 1; from CREATE TABLE test(id SERIAL PRIMARY KEY, data JSONB);
– Kokizzu
Nov 28 '14 at 4:46
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Platform independent size_t Format specifiers in c?
...
123
Yes: use the z length modifier:
size_t size = sizeof(char);
printf("the size is %zu\n", size)...