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Why is Lisp used for AI? [closed]
...utes of macro work this week, I implemented an ad-hoc buggy version of SQL Select. It goes like this: (query SELECT * FROM dataset WHERE expr).
– Paul Nathan
Nov 12 '11 at 20:08
...
How can I filter lines on load in Pandas read_csv function?
... read_csv. However, read_csv returns a DataFrame, which can be filtered by selecting rows by boolean vector df[bool_vec]:
filtered = df[(df['timestamp'] > targettime)]
This is selecting all rows in df (assuming df is any DataFrame, such as the result of a read_csv call, that at least contains ...
anchor jumping by using javascript
... element. If you want to get the first element out from your query, do $(mySelector)[0].scrollIntoView().
– Derek 朕會功夫
Jun 8 '18 at 12:48
4
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How do I insert datetime value into a SQLite database?
...liably compare dates with different precision using lexical ordering, e.g "SELECT '2007-01-02 10:00:00' > '2007-01-02 10:00';" returns 1 but "SELECT datetime('2007-01-02 10:00:00') > datetime('2007-01-02 10:00');" returns 0.
– Shane
Mar 21 '14 at 17:17
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C# Pass Lambda Expression as Method Parameter
....Where(predicate.Compile()) //here compile your clausuly
select x;
newList.ToList();//return a new list
}
Calling method
Method(v => v.Equals(1));
You can do the same in their class, see this is example.
public string Name {get;set;}
public static List...
ERROR 2006 (HY000): MySQL server has gone away
...L/MariaDB server.
Double check the value was set properly by:
mysql -sve "SELECT @@max_allowed_packet" # or:
mysql -sve "SHOW VARIABLES LIKE 'max_allowed_packet'"
You got a timeout from the TCP/IP connection on the client side.
Solution: Increase wait_timeout variable.
You tried to run a query a...
In Intellij IDEA how do I replace text with a new line?
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This still exists, select multiple lines, then click CTRL+F, then click CTRL+R, it seems to be a hidden feature, but still works in that case as previous versions
– wired00
May 22 '16 at 7:09
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How do I specify a pointer to an overloaded function?
...putIterator, InputIterator, UnaryFunction );
Template deduction needs to select a type for UnaryFunction at the point of the call. But f doesn't have a specific type - it's an overloaded function, there are many fs each with different types. There is no current way for for_each to aid the template...
How does the algorithm to color the song list in iTunes 11 work? [closed]
...hold &];
If[filterColor =!= 0,
buckets =
Select[buckets,
ColorDistance[ Mean[#1], filterColor] > filterThreshold &]];
buckets = Sort[buckets, Length[#1] > Length[#2] &];
If[Length @ buckets == 0, Return[{}]];
co...
IntelliJ 13 - Add Navigate Back/Forward to toolbar?
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For some reason the toolbar is not visible by default.
In the View menu, select Toolbar. That should fix it.
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