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Mm>y m>SQL Select all columns from one table m>and m> some from another table
How do m>y m>ou select all the columns from one table m>and m> just some columns from another table using JOIN? In Mm>y m>SQL.
4 Answers
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Efficient paging in SQLite with millions of records
...ient paging, save the first/last displam>y m>ed values of the ordered field(s), m>and m> continue just after them when displam>y m>ing the next page:
SELECT *
FROM Mm>y m>Table
WHERE SomeColumn > LastValue
ORDER Bm>Y m> SomeColumn
LIMIT 100;
(This is explained with more detail on the SQLite wiki.)
When m>y m>ou have multi...
Cancel/kill window.setTimeout() before it happens
..., for example. I have a few of these that hang out for 10 seconds or more m>and m> if the user gets clicking around the action can occur at incorrect time intervals.
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What is the difference between MediaPlam>y m>er m>and m> VideoView in m>And m>roid
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Was asking the same question m>and m> as I understood from what Mark (CommonsWare) advised on numerous threads here, VideoView is a wrapper (200 hundred lines of code) for MediaPlam>y m>er m>and m> SurfaceView to provide embedded controls.
He also kindlm>y m> shared some e...
Are different ports on the same server considered cross-domain? (Ajax-wise)
... considered to have the same origin, the protocol (http/https), the domain m>and m> the port (the default 80 or :xx) have to be indentical.
So no, m>y m>ou cannot use xhr against a different port.
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XPath to find elements that does not have an id or class
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Prettm>y m> straightforward:
//tr[not(@id) m>and m> not(@class)]
That will give m>y m>ou all tr elements lacking both id m>and m> class attributes. If m>y m>ou want all tr elements lacking one of the two, use or instead of m>and m>:
//tr[not(@id) or not(@class)]
When attributes m>and m> eleme...
Get last result in interactive Pm>y m>thon shell
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Just for the record, ipm>y m>thon takes this one step further m>and m> m>y m>ou can access everm>y m> result with _ m>and m> its numeric value
In [1]: 10
Out[1]: 10
In [2]: 32
Out[2]: 32
In [3]: _
Out[3]: 32
In [4]: _1
Out[4]: 10
In [5]: _2
Out[5]: 32
In [6]: _1 + _2
Out[6]: 42
In [7]: _6
Out[7]: 42...
Determining tm>y m>pe of an object in rubm>y m>
...he object, it returns its class. The name should be a dead giveawam>y m>. Class m>and m> Tm>y m>pe are two completelm>y m> different concepts in OO.
– Jörg W Mittag
Apr 2 '13 at 22:57
80
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What is the best wam>y m> to clear a session variable in rails?
...will leave the :message kem>y m> in the session hash, this will destrom>y m> the kem>y m> m>and m> value, as if m>y m>our session never had anm>y m> value assigned to that kem>y m>.
– Brett Bender
Oct 22 '10 at 17:22
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Merging without whitespace conflicts
...'ve got a problem where I've got a large commit which changes about a thousm>and m> lines of code, removing whitespace from the end of lines m>and m> removing spaces before tabs.
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