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How can I do SELECT UNIQUE with LINQ?
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Hmm... that didn't achieve an alphabetic sort - for some reason... I switched ascending and descending and got the same result. Is the distinct statement affecting it? maybe it needs to be orderedby after that ?
– ba...
What is a “Bitmap heap scan” in a query plan?
... (hence the so-called recheck cond you see in query plans).
Note, as an aside, how clustering/row order affects the associated costs with either method. If rows are all over the place in a random order, a bitmap index will be cheaper. (And, in fact, if they're really all over the place, a seq scan ...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
SQL set values of one column equal to values of another column in the same table
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Moderator Note - Please do not roll back valid updates to your post.
– Bhargav Rao♦
Jul 16 '19 at 1:03
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How to properly handle a gzipped page when using curl?
...the "Features" line:
$ curl -V
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Protocols: ...
Features: GSS-Negotiate IDN IPv6 Largefile NTLM SSL libz
Note that it's really the website in question that is at fault here. If curl did not pass an Accept-Encoding: gzip request header, the server should not have sent a compressed response.
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Compare dates in MySQL
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I appreciate your consideration of taking advantage of the index. I think the query should not have the "+ interval 1 day" clause.
– Jurgenfd
Dec 14 '16 at 8:58
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Using print statements only to debug
...e me write a lot of print statements to verify if it's all going right and identify the points of failure. But, generally, outputting so much information is not a good practice. How do I use the print statements only when I want to debug and let them be skipped when I don't want them to be printed? ...
Incompatible implicit declaration of built-in function ‘malloc’
...t's defined as int malloc() which is incompatible with the built-in type void *malloc(size_t).
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What does status=canceled for a resource mean in Chrome Developer Tools?
...being loaded, but before the load happened, you deleted the IMG node)
You did something that made loading the data unnecessary. (i.e. you started loading a iframe, then changed the src or overwrite the contents)
There are lots of requests going to the same server, and a network problem on earlier re...
Export specific rows from a PostgreSQL table as INSERT SQL script
...utility pg_dump to export to a file:
create table export_table as
select id, name, city
from nyummy.cimory
where city = 'tokyo'
$ pg_dump --table=export_table --data-only --column-inserts my_database > data.sql
--column-inserts will dump as insert commands with column names.
--data-only do...