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In Objective-C, what is the equivalent of Java's “instanceof” keyword?
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edited Feb 11 '09 at 12:07
community wiki
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Remote Connections Mysql Ubuntu
...ld come back something like this with your actual IP in the xxx's
mysqld 1046 mysql 10u IPv4 5203 0t0 TCP xxx.xxx.xxx.xxx:3306 (LISTEN)
If the above statement returns correctly you will then be able to accept remote users. However for a remote user to connect with the correct priveleges y...
Why can't the tag contain a tag inside it?
... -- paragraph -->
This is consistent with http://www.w3.org/TR/html401/struct/text.html#h-9.3.1, which says that the P element "cannot contain block-level elements (including P itself)."
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Does MySQL ignore null values on unique constraints?
...ws multiple NULLs in a column with a unique constraint.
CREATE TABLE table1 (x INT NULL UNIQUE);
INSERT table1 VALUES (1);
INSERT table1 VALUES (1); -- Duplicate entry '1' for key 'x'
INSERT table1 VALUES (NULL);
INSERT table1 VALUES (NULL);
SELECT * FROM table1;
Result:
x
NULL
NULL
1
This i...
Rebasing a branch including all its children
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git branch --contains C | \
xargs -n 1 \
git rebase --committer-date-is-author-date --preserve-merges --onto B C^
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DROP IF EXISTS VS DROP?
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edited Mar 5 '12 at 11:37
answered Mar 5 '12 at 11:31
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Is there any way to view the currently mapped keys in Vim?
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answered Oct 4 '11 at 2:38
mattr-mattr-
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How do I check the difference, in seconds, between two dates?
...es, use total_seconds like this:
import datetime as dt
a = dt.datetime(2013,12,30,23,59,59)
b = dt.datetime(2013,12,31,23,59,59)
(b-a).total_seconds()
86400.0
#note that seconds doesn't give you what you want:
(b-a).seconds
0
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Is “ ” a replacement of “ ”?
... two text boxes by typing space bar. The equivalent HTML source was   instead of   . So I just wanted to check: is this the new replacement for white space? If yes, any idea why they changed?
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What is a provisioning profile used for when developing iPhone applications?
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A Quote from : iPhone Developer Program (~8MB PDF)
A provisioning profile is a collection ...