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How to differentiate between time to live and time to idle in ehcache
...idated if it hasn't been requested for 4 seconds.
If timeToLiveSeconds = 90, then the object will be removed from cache after 90 seconds, even if it has been requested few milliseconds in the 90th second of its short life.
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Selecting the first “n” items with jQuery
...d to select just the first "n" items from the page, for example the first 20 links instead of selecting all of them with the usual
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How to change column datatype from character to numeric in PostgreSQL 8.4
...nding on your data):
alter table presales alter column code type numeric(10,0) using code::numeric;
-- Or if you prefer standard casting...
alter table presales alter column code type numeric(10,0) using cast(code as numeric);
This will fail if you have anything in code that cannot be cast to num...
Right way to reverse pandas.DataFrame?
...n__() which returns 6. Then it tries to call data[j - 1] for j in range(6, 0, -1), and the first call would be data[5]; but in pandas dataframe data[5] means column 5, and there is no column 5 so it will throw an exception. ( see docs )
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Populate data table from data reader
I'm doing a basic thing in C# (MS VS2008) and have a question more about proper design than specific code.
5 Answers
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Does git return specific return error codes?
...iled; fix conflicts and then commit the result.
$ echo $?
1
Git returns 0 when it merges correctly, as expected.
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How can I negate the return-value of a process?
...m negate -process that negates the value a process returns. It should map 0 to some value != 0 and any value != 0 to 0, i.e. the following command should return "yes, nonexistingpath doesn't exist":
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anchor jumping by using javascript
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You can get the coordinate of the target element and set the scroll position to it. But this is...
How do I write a custom init for a UIView subclass in Swift?
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self.s = s
self.i = i
super.init(frame: CGRect(x: 0, y: 0, width: 100, height: 100))
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
}
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How do Google+ +1 widgets break out of their iframe?
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edited Mar 17 '17 at 10:45
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answered Sep 5 '11 at 23:03
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