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What is the meaning of the prefix N in T-SQL statements and when should I use it?
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It's declaring the string as nvarchar data type, rather than varchar
You may have seen Transact-SQL code that passes strings around using
an N prefix. This denotes that the subsequent string is in Unicode
(the N actua...
How to display request headers with command line curl
...esponse header by using -D option, but I want to see what request header it is sending. How can I do that?
9 Answers
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Find nearest latitude/longitude with an SQL query
I have latitude and longitude and I want to pull the record from the database, which has nearest latitude and longitude by the distance, if that distance gets longer than specified one, then don't retrieve it.
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How do I force Postgres to use a particular index?
How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan?
6 Answers
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When NOT to use yield (return) [duplicate]
There are several useful questions here on SO about the benefits of yield return . For example,
11 Answers
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How do I break out of a loop in Perl?
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Oh, I found it. You use last instead of break
for my $entry (@array){
if ($string eq "text"){
last;
}
}
share
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imp...
How does Chrome's “Request Desktop Site” option work?
For iOS google chrome, when a user hits the "Request desktop site" button what does the browser do to try to bring up a desktop site? I imagine some sort of header on the request that sites are looking for, or something similar?
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How to convert an entire MySQL database characterset and collation to UTF-8?
...follow
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edited Jan 6 '17 at 17:30
answered May 24 '11 at 19:20
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Interfaces with static fields in java for sharing 'constants'
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It's generally considered bad practice. The problem is that the constants are part of the public "interface" (for want of a better word) of the implementing class. This means that the implementing class is publishing all of...
How to Get the Title of a HTML Page Displayed in UIWebView?
I need to extract the contents of the title tag from an HTML page displayed in a UIWebView. What is the most robust means of doing so?
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