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Advantages and disadvantages of GUID / UUID database keys
...es, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
9 Answ...
Is 23,148,855,308,184,500 a magic number, or sheer chance?
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Add the cents to the number and you get 2314885530818450000, which in hexadecimal is 2020 2020 2020 1250.
Do you see the pattern? The first six bytes have been overwritten by spaces (hex 20, dec 32).
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Set value of textarea in jQuery
... val does take the time to make sure the value you're setting is a string, and attr seems to do a bit more magic overall.
– enobrev
Jan 6 '09 at 6:31
63
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jquery UI dialog: how to initialize without a title bar?
...Stuff');
So i created some dialog with option dialogClass='noTitleStuff' and the css like that:
.noTitleStuff .ui-dialog-titlebar {display:none}
too simple !! but i took 1 day to think why my previous id->class drilling method was not working. In fact when you call .dialog() method the div y...
Covariance and contravariance real world example
I'm having a little trouble understanding how I would use covariance and contravariance in the real world.
9 Answers
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Print array elements on separate lines in Bash?
...doing this :
$ printf '%s\n' "${my_array[@]}"
The difference between $@ and $*:
Unquoted, the results are unspecified. In Bash, both expand to separate args
and then wordsplit and globbed.
Quoted, "$@" expands each element as a separate argument, while "$*"
expands to the args merged into one a...
How to determine a Python variable's type?
...d to double take when I saw this. Java SE8 now contains unsigned integers, and I've developed so much with it that it seems sinful that Java never had unsigned integers before SE8.
– dddJewelsbbb
Nov 26 '18 at 15:39
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Disable IntelliJ Starred (Package) Imports?
I'm a migrating Eclipse IDE user and am learning my way round IntelliJ IDEA 9.
3 Answers
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TypeError: 'dict_keys' object does not support indexing
.... . . Or just list(d) which will give you a list of keys on both python2.x and python3.x without making any copies :-)
– mgilson
Aug 28 '14 at 5:15
11
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How do you kill all current connections to a SQL Server 2005 database?
...at you are looping over the active connections new one can be established, and you'll miss those. You could instead use the following approach which does not have this drawback:
-- set your current connection to use master otherwise you might get an error
use master
ALTER DATABASE YourDatabase SET...