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MemoryCache does not obey memory limits in configuration
...otected override int GetCurrentPressure()
{
int num = GC.CollectionCount(2);
SRef ref2 = this._sizedRef;
if ((num != this._gen2Count) && (ref2 != null))
{
this._gen2Count = num;
this._idx ^= 1;
this._cacheSizeSampleTimes[this._idx] = DateTime.UtcNow;
this._cacheSizeSa...
python list in sql query as parameter
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answered Nov 12 '08 at 12:30
bobincebobince
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How to select rows with no matching entry in another table?
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Here's a simple query:
SELECT t1.ID
FROM Table1 t1
LEFT JOIN Table2 t2 ON t1.ID = t2.ID
WHERE t2.ID IS NULL
The key points are:
LEFT JOIN is used; this will return ALL rows from Table1, regardless of whether or not there is a matching row in Table2.
The WHERE t2.ID IS NULL clause; this ...
How do I invoke a Java method when given the method name as a string?
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21 Answers
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Detect iPad users using jQuery?
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Jan 6 '11 at 17:17
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Working with time DURATION, not time of day
..., you can simply use subtraction, e.g.
A1: Start: 36:00 (=1.5)
A2: End: 60:00 (=2.5)
A3: Duration: =A2-A1 24:00 (=1.0)
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PHP YAML Parsers [closed]
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Last updated: July 26th, 2017
Here's a summary of the state of YAML in PHP:
Wrappers to C libraries: You'll probably want these if you need sheer speed:
php-yaml: Wrapper for LibYAML. Available as a PECL extension; it is also the one on P...
Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
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22 Answers
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What is the most frequent concurrency issue you've encountered in Java? [closed]
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How to get last items of a list in Python?
... Here's an example using the python CLI interpreter:
>>> a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a[-9:]
[4, 5, 6, 7, 8, 9, 10, 11, 12]
the important line is a[-9:]
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