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compareTo() vs. equals()
... equals() . This feels unnatural (as compareTo() is meant to provide an ordering and not compare for equality) and even somewhat dangerous (because compareTo() == 0 does not necessarily imply equality in all cases, even though I know it does for String 's) to me.
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JOIN queries vs multiple queries
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@cHao says who? I just looked up SMF and phpBB and saw JOINs between 3 tables - if you add plugins or modifications they could easily add to that. Any sort of large application has the potential for many JOINs. Arguably a poorly written/mis-used ORM could JOIN table...
How does the bitwise complement operator (~ tilde) work?
... positive numbers. Think of -3 as the number to which 3 should be added in order to get zero and you'll see that this number is 1101, remember that binary addition is just like elementary school (decimal) addition only you carry one when you get to two rather than 10.
1101 +
0011 // 3
=
10000...
Postgres DB Size Command
...g_size_pretty(pg_database_size(t1.datname)) as db_size
from pg_database t1
order by pg_database_size(t1.datname) desc;
If you intend the output to be consumed by a machine instead of a human, you can cut the pg_size_pretty() function.
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SQL Call Stored Procedure for each Row without using a cursor
... = CustomerID
FROM Sales.Customer
WHERE CustomerID > @CustomerId
ORDER BY CustomerID
-- Exit loop if no more customers
IF @@ROWCOUNT = 0 BREAK;
-- call your sproc
EXEC dbo.YOURSPROC @CustomerId
END
shar...
How to load external webpage inside WebView
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Actually, in order to handle with the url inside your webview you should set a webviewclient, if you do not set a client, default behaviour is to launch an application that handles URLs. See this link
– erdemlal
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How does interfaces with construct signatures work?
... This should be the accepted answer. Changing the library in order to satisfy an interface requirement is not reasonable.
– Kevin Beal
Aug 11 '16 at 17:57
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What is opinionated software?
...it designs its products.
Un-opinionated software design is more like PERL/PHP. It allows the developer and trusts the developer to make the right decisions and puts more control in their hands.
I would also place Microsoft in the non-opinionated column. A good example of a Microsoft framework whi...
Sublime Text 2: Trim trailing white space on demand
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I found a soulution here:
http://www.sublimetext.com/forum/viewtopic.php?f=4&t=4958
You can modify the package
trim_trailing_white_space.py
located in the default packages directory, this way:
import sublime, sublime_plugin
def trim_trailing_white_space(view):
trailing_white_spa...
How to automate createsuperuser on django?
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At least on Django 1.11. the order of the arguments is ('username', 'email', 'pass'), not ('email', 'username', 'pass'). See: docs.djangoproject.com/en/1.11/ref/contrib/auth/…
– np8
May 14 '17 at 12:29
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