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Recommended SQL database design for tags or tagging [closed]
...heard of a few ways to implement tagging; using a mapping table between TagID and ItemID (makes sense to me, but does it scale?), adding a fixed number of possible TagID columns to ItemID (seems like a bad idea), Keeping tags in a text column that's comma separated (sounds crazy but could work). I'v...
Easiest way to rename a model using Django/South?
...rename_foo_to_bar --empty
(Update 2: try --auto instead of --empty to avoid the warning below. Thanks to @KFB for the tip.)
If you're using an older version of south, you'll need startmigration instead of schemamigration.
Then manually edit the migration file to look like this:
class Migration...
Runnable with a parameter?
...s in it. 9 years ago, during code review I would have questioned why they did it and maybe approved it, maybe not. With modern lambdas available, it's irresponsible to have such a highly voted answer recommending an antiquated approach (that, in all fairness, was dubious to begin with...) In modern ...
How to insert spaces/tabs in text using HTML/CSS
...
In cases wherein the width/height of the space is beyond   I usually use:
For horizontal spacer:
<span style="display:inline-block; width: YOURWIDTH;"></span>
For vertical spacer:
<span style="display:block; height: YO...
GridView VS GridLayout in Android Apps
I have to use a Grid to implement Photo Browser in Android.
So, I would like to know the difference between GridView and GridLayout .
...
filtering NSArray into a new NSArray in Objective-C
...cts from the original array that meet certain criteria. The criteria is decided by a function that returns a BOOL .
9 Answ...
Running multiple AsyncTasks at the same time — not possible?
I'm trying to run two AsyncTasks at the same time. (Platform is Android 1.5, HTC Hero.)
However, only the first gets executed. Here's a simple snippet to describe my problem:
...
Getting the error “Java.lang.IllegalStateException Activity has been destroyed” when using tabs with
...ch() of every Fragment which you call getChildFragmentManager() on:
@Override
public void onDetach() {
super.onDetach();
try {
Field childFragmentManager = Fragment.class.getDeclaredField("mChildFragmentManager");
childFragmentManager.setAccessible(true);
childFragm...
Automatic HTTPS connection/redirect with node.js/express
...s, is it possible for an attacker to sniff out and steal a cookie (session ID)?
– Costa
Jun 23 '12 at 16:56
5
...
Turning a Comma Separated string into individual rows
...nctions from SQL Server:
Sample table:
CREATE TABLE Testdata
(
SomeID INT,
OtherID INT,
String VARCHAR(MAX)
)
INSERT Testdata SELECT 1, 9, '18,20,22'
INSERT Testdata SELECT 2, 8, '17,19'
INSERT Testdata SELECT 3, 7, '13,19,20'
INSERT Testdata SELECT 4, 6, ''
INSERT Testdata SELE...