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Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
... not. This is a very basic problem which is addressed by those frameworks, including SDWebImage.
– kean
Dec 10 '15 at 15:23
...
Entity Attribute Value Database vs. strict Relational Model Ecommerce
...tom attributes
Con: SQL becomes complex as soon as any custom attribute is included in a report
Con: good performance generally, unless you start need to search by or report by the custom attributes
* I'm not sure if Option 3 would necessarily save any time in the design phase.
Personally I would...
Why use the SQL Server 2008 geography data type?
... of lines. SQL Server also has methods for the Geography data types which include calculating Area, Boundary, Length, Distances, and more.
It seems unwise to store Latitude and Longitude as Decimal in Sql Server.
Update 2
If you plan on doing any calculations like distance, area, etc, properly c...
SQL Server CTE and recursion example
...ence. There are 2 main methods of aliasing columns in a CTE in T-SQL. I've included the analog of a simple CTE in Excel to try and illustrate in a more familiar way what is happening.
-- Outside
;WITH CTE (MyColName) AS
(
SELECT 1
)
-- Inside
;WITH CTE AS
(
SELECT 1 AS MyColName
-- Or
...
Is there an equivalent of CSS max-width that works in HTML emails?
... is what most people will use:
Similar to Shay's example except this also includes max-width to work on the rest of the clients that do have support, as well as a second method to prevent the expansion (media query) which is needed for Outlook '11.
In the head:
<style type="text/css">
...
What exactly does the post method do?
...is in charge of dispatching the events to the appropriate widgets
and this includes the drawing events.
It is also the thread you interact with Android widgets with
For instance, if you touch the a button on screen, the UI thread
dispatches the touch event to the widget which in turn sets its...
What's the best way to send a signal to all members of a process group?
...021 0:00 \_ sleep 9999
The command kill -- -$PGID kills all processes including the grandchild.
> kill -- -"$PGID" # default signal is TERM (kill -15)
> kill -CONT -"$PGID" # awake stopped processes
> kill -KILL -"$PGID" # kill -9 to be sure
> ps fj
PPID PID PGID SID T...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
... I think this definitely deserves attention - nice work. I like the included safe: parameter name to ensure the difference.
– Craig Otis
Jun 2 '15 at 11:25
11
...
How can I get the version defined in setup.py (setuptools) in my package?
...intain. (See PyPI or google search -- stackoverflow is disallowing me from including a
IllegalArgumentException or NullPointerException for a null parameter? [closed]
...ional).
It's perfectly valid to throw your own NPE. The convention is to include the parameter name which was null in the message of the exception.
The pattern goes:
public void someMethod(Object mustNotBeNull) {
if (mustNotBeNull == null) {
throw new NullPointerException("mustN...