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How to output numbers with leading zeros in JavaScript [duplicate]
...tart
You're asking for zero padding? Not really rounding. You'll have to convert it to a string since numbers don't make sense with leading zeros. Something like this...
function pad(num, size) {
var s = num+"";
while (s.length < size) s = "0" + s;
return s;
}
Or if you know you'...
Difference between Select and ConvertAll in C#
...INQ extension method and works on all IEnumerable<T> objects whereas ConvertAll is implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor Select over ConvertAll as it works for any kind of list, but they do the sam...
List the queries running on SQL Server
...nning SPIDs on a SQL 2000 or SQL 2005 server:
select
P.spid
, right(convert(varchar,
dateadd(ms, datediff(ms, P.last_batch, getdate()), '1900-01-01'),
121), 12) as 'batch_duration'
, P.program_name
, P.hostname
, P.loginame
from master.dbo.sysprocesses P
where ...
How do you use the “WITH” clause in MySQL?
I am converting all my SQL Server queries to MySQL and my queries that have WITH in them are all failing. Here's an example:
...
Which are more performant, CTE or temporary tables?
...en with two CTEs in SQL server. It was taking 28sec.
I spent two minutes converting them to temp tables and the query took 3 seconds
I added an index to the temp table on the field it was being joined on and got it down to 2 seconds
Three minutes of work and now its running 12x faster all by rem...
SQL select only rows with max value on a column [duplicate]
...d the same "max" as numeric comparison of the two numbers and it's easy to convert back to the original number using the substring function (which is available in one form or another pretty much everywhere).
share
|...
c# datatable to csv
...ardContent also handles few edge cases of values that contain ,. ", \t (it converts tab to space)
– Slai
Nov 28 '16 at 13:43
2
...
Pandas - Get first row value of a given column
...c('Btime')] = x
The latter method is a bit faster, because df.loc has to convert the row and column labels to
positional indices, so there is a little less conversion necessary if you use
df.iloc instead.
df['Btime'].iloc[0] = x works, but is not recommended:
Although this works, it is taking ...
How do I URl encode something in Node.js?
... The domain gets encoded using punycode. You need a library like URI.js to convert between a URI and IRI (Internationalized Resource Identifier).
This is correct if you plan on using the string later as a query string:
> encodeURIComponent("http://examplé.org/rosé?rosé=rosé")
'http%3A%2F%2F...
How does Trello access the user's clipboard?
...
Daniel LeCheminant's code didn't work for me after converting it from CoffeeScript to JavaScript (js2coffee). It kept bombing out on the _.defer() line.
I assumed this was something to do with jQuery deferreds, so I changed it to $.Deferred() and it's working now. I tested i...