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How to loop over directories in Linux?
...rnal tools in your case:
for dir in /tmp/*/ # list directories in the form "/tmp/dirname/"
do
dir=${dir%*/} # remove the trailing "/"
echo ${dir##*/} # print everything after the final "/"
done
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Difference Between Schema / Database in MySQL
... exactly is a schemata in MySQL? All I could find are references to the information_schema schemata table but no concise definition as to what it actually means
– Alf47
Apr 6 at 21:00
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What are the best Haskell libraries to operationalize a program? [closed]
...ong that work is taking. Ideally, the collected metrics are available in a format that's compatible with commonly-used monitoring tools like Ganglia, or can be so munged.
I'm not aware of any standardized reporting tools, however, extracting reports from +RTS -s streams (or via profiling output fl...
Unable to cast object of type 'System.DBNull' to type 'System.String`
...
A shorter form can be used:
return (accountNumber == DBNull.Value) ? string.Empty : accountNumber.ToString()
EDIT: Haven't paid attention to ExecuteScalar. It does really return null if the field is absent in the return result. So u...
How do I format a number with commas in T-SQL?
...eyes are starting to gloss over. It would be really convenient if I could format all those numbers with commas (987654321 becomes 987,654,321). Funny that in all the many years I've used SQL Server, this issue has never come up since most of the time I would be doing formatting at the presentation...
What is the “continue” keyword and how does it work in Java?
...nded, but if you so choose you can also use continue to simulate a limited form of goto. In the following example the continue will re-execute the empty for (;;) loop.
aLoopName: for (;;) {
// ...
while (someCondition)
// ...
if (otherCondition)
continue aLoopName;
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Detecting an “invalid date” Date instance in JavaScript
...rom other JS contexts (external windows, frames, or iframes), this simpler form may be preferred:
function isValidDate(d) {
return d instanceof Date && !isNaN(d);
}
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How do I implement onchange of with jQuery?
...
Since you can bind to multiple events $('form').on('change input', function); did the trick for me. Thanks.
– justnorris
Jul 5 '13 at 9:50
9
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How to change folder with git bash?
.... Btw this article describes to make the console Quake-style dropping down form top of the screen.
– Vorac
Apr 24 '14 at 8:27
18
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Select2 dropdown but allow new values by user?
...pend that option like this: [{"text":" my NEW option)","id":"0"}]
When the form is submitted just check to see if that option is in the db and if not create it before saving.
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