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PostgreSQL: How to make “case-insensitive” query
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Use LOWER function to convert the strings to lower case before comparing.
Try this:
SELECT id
FROM groups
WHERE LOWER(name)=LOWER('Administrator')
share
|
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Define variable to use with IN operator (T-SQL)
...@c_pos);
while @n_pos > 0
begin
insert into @tab (item) values (SUBSTRING(@list,@c_pos+1,@n_pos - @c_pos-1));
set @c_pos = @n_pos;
set @l_pos = @n_pos;
set @n_pos = CHARINDEX(',',@list,@c_pos+1);
end;
insert into @tab (item) values (SUBSTRING(@list,@l_pos+1,4000));
return;
end;...
How do I install pip on macOS or OS X?
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An extra warning: don't run this when a homebrew based python installed and occurs earlier in PATH (e.g. when you change /etc/paths): it would install pip with root credentials for the wrong python
– acidju...
Find object by id in an array of JavaScript objects
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@VickyChijwani: Are there any issues when comparing a string to a string?
– Guffa
Dec 11 '12 at 12:17
38
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Should methods in a Java interface be declared with or without a public access modifier?
... be omitted in Java interfaces (in my opinion).
Since it does not add any extra information, it just draws attention away from the important stuff.
Most style-guides will recommend that you leave it out, but of course, the most important thing is to be consistent across your codebase, and especial...
How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
...s) <(ls *Music*)
comm is preferable over diff because it doesn't have extra cruft.
This returns all elements of set 1, ls, that are not also in set 2, ls *Music*. This requires both sets to be in sorted order to work properly. No problem for ls and glob expansion, but if you're using something...
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
..., err on the side of more nodes
in the hidden layer.
Why? First, a few extra nodes in the hidden layer isn't likely do any any harm--your MLP will still converge. On the other hand, too few nodes in the hidden layer can prevent convergence. Think of it this way, additional nodes provides some ex...
Synchronous request in Node.js
... works. I've tried other examples here and was stumped when there was much extra setup to do or installs didn't work!
Notes:
The example that sync-request uses doesn't play nice when you use res.getBody(), all get body does is accept an encoding and convert the response data. Just do res.body.toStri...
How can I make a multipart/form-data POST request using Java?
...ost = new HttpPost(url);
FileBody bin = new FileBody(new File(fileName));
StringBody comment = new StringBody("Filename: " + fileName);
MultipartEntity reqEntity = new MultipartEntity();
reqEntity.addPart("bin", bin);
reqEntity.addPart("comment", comment);
httppost.setEntity(reqEntity);
HttpRespo...
Generate random string/characters in JavaScript
I want a 5 character string composed of characters picked randomly from the set [a-zA-Z0-9] .
77 Answers
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