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Discuz轻松生成sitemaps.xml网站地图discuz_sitemaps只针对论坛版块生成sitemaps xml：●建立一个名为cron_sitemaps php的文件；●复制以下代码区的内容到cron_sitemaps php中，并保存文件；PS：注意编码，选择自己DZ对应的编码，我 只针对论坛...
psql: FATAL: role “postgres” does not exist
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432
NOTE: If you installed postgres using homebrew, see the comment from @user3402754 below.
Note...
PostgreSQL return result set as JSON array?
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Himanshu sharmaHimanshu sharma
5,05322 gold badges3232 silver badges5454 bronze badges
add a com...
Loop backwards using indices in Python?
...as no way to tell the xrange to go backwards... (Since Python 2.6 it calls __reversed__().)
– Robert Siemer
Jun 21 '12 at 18:31
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Label Alignment in iOS 6 - UITextAlignment deprecated
...f UITextAlignmentCenter and a list of other replacements is below:
#ifdef __IPHONE_6_0 // iOS6 and later
# define UITextAlignmentCenter NSTextAlignmentCenter
# define UITextAlignmentLeft NSTextAlignmentLeft
# define UITextAlignmentRight NSTextAlignmentRight
# define UILineBreakM...
How to reset sequence in postgres and fill id column with new data?
...ich explains the ALTER SEQUENCE command ... so I changed 'seq' by mytable_id_seq where 'mytable' is my table name and 'id' is the name of my serial column
– Javi
May 4 at 9:19
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Optional Parameters in Go?
...a pointer.
– burfl
Mar 29 '18 at 11:32
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What is the best way to dump entire objects to a log in C#?
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edited Oct 27 '14 at 21:32
answered Oct 3 '14 at 15:14
Ja...
What does void mean in C, C++, and C#?
... to be run and a pointer to the data to be passed to the function:
struct _deferred_work {
sruct list_head mylist;
.worker_func = bar;
.data = somedata;
} deferred_work;
Then a kernel thread goes over a list of deferred work and when it get's to this node it effectively executes:
bar(some...
How do I find duplicates across multiple columns?
...4,'jim','London')
, (904835,'jim','London')
, (90145,'Fred','Paris')
, (90132,'Fred','Paris')
, (90133,'Fred','Paris')
, (923457,'Barney','New York') # not expected in result
;
SELECT
t.*
FROM (
SELECT
s.*
, COUNT(*) OVER (PARTITION BY s.name, s.city) AS qty
FROM stuff...