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Shell script - remove first and last quote (") from a variable
...
You can do it with only one call to sed:
$ echo "\"html\\test\\\"" | sed 's/^"\(.*\)"$/\1/'
html\test\
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Easy way to turn JavaScript array into comma-separated list?
...ar csv = new csvWriter();
csv.del = '\t';
csv.enc = "'";
var nullVar;
var testStr = "The comma (,) pipe (|) single quote (') double quote (\") and tab (\t) are commonly used to tabulate data in plain-text formats.";
var testArr = [
false,
0,
nullVar,
// undefinedVar,
'',
{ke...
How do I check in JavaScript if a value exists at a certain array index?
Will this work for testing whether a value at position index exists or not, or is there a better way:
18 Answers
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Rails Object to hash
... @post.as_json
puts hash.pretty_inspect
Will output :
{
:name => "test",
:post_number => 20,
:active => true
}
To go a bit further, you could override that method in order to customize the way your attributes appear, by doing something like this :
class Post < ActiveRecord::...
How to check if an object is a certain type
...lso use the TypeOf operator instead of the GetType method. Note that this tests if your object is compatible with the given type, not that it is the same type. That would look like this:
If TypeOf Obj Is System.Web.UI.WebControls.DropDownList Then
End If
Totally trivial, irrelevant nitpick: T...
How to pass password to scp?
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You can use the 'expect' script on unix/terminal
For example create 'test.exp' :
#!/usr/bin/expect
spawn scp /usr/bin/file.txt root@<ServerLocation>:/home
set pass "Your_Password"
expect {
password: {send "$pass\r"; exp_continue}
}
ru...
How to get the mouse position without events (without moving the mouse)?
... is implementable without having to much CPU load (I think. I haven't been testing it). On dom ready build the <a> elements with javascript, take the mouse postion and then remove all <a> elements. On mousemouse you should have other function to take the mouse position. Anyway, this was ...
Loading basic HTML in Node.js
...s = require('fs');
http.createServer(function(req, res){
fs.readFile('test.html',function (err, data){
res.writeHead(200, {'Content-Type': 'text/html','Content-Length':data.length});
res.write(data);
res.end();
});
}).listen(8000);
...
Why doesn't list have safe “get” method like dictionary?
...titem__(index)
except IndexError:
return default
def _test():
l = safelist(range(10))
print l.get(20, "oops")
if __name__ == "__main__":
_test()
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improve th...
How do I get the size of a java.sql.ResultSet?
...n the statement is created with the scroll insensitive option: ps=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
– BullyWiiPlaza
Feb 21 '17 at 13:55
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