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How to version control a record in a database
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There is a foreign key from FOO_HISTORY to FOO': bad idea, I would like to delete records from foo without changing history. the history table should be insert-only in normal use.
– Jasen
Feb 12 '15 at 3:48
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Trying to start a service on boot on Android
...:installLocation="internalOnly" in the manifest for an app. Is that a bad idea? For a smartphone app, if 99.9% (my guess) of all users install the app normally, by using internal storage rather than external storage, then it seems the "internalOnly" addition to the manifest would be fine. I would...
Checking if a double (or float) is NaN in C++
...Also when dealing with floating and non-floating points it might be a good idea to look at the Numeric Conversions.
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iPhone Navigation Bar Title text color
...efinitively the best solution. No need to use sizeWithFont, and I like the idea of overriding the setTitle method.
– Elia Palme
Aug 18 '11 at 8:49
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hasNext in Python iterators?
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The same idea could be used to implement the hasNext() method (to produce, cache and return true on success, or return false on failure). Then both hasNext() and next() would depend on a common underlying getNext() method and cached i...
Clear variable in python
... to delete a variable, don't you?
ok, I think I've got a best alternative idea to @bnul answer:
You can delete individual names with del:
del x
or you can remove them from the globals() object:
for name in dir():
if not name.startswith('_'):
del globals()[name]
This is just an...
How to allow http content within an iframe on a https site
...om/"></iframe>
This is just a MINIMAL example to illustrate the idea -- it doesn't sanitize the URL, nor would it prevent someone else using the redirect.php for their own purposes. Consider these things in the context of your own site.
The upside, though, is it's more flexible. For ex...
Force Java timezone as GMT/UTC
...ce, but modifying temporarily a global static state sounds like a very bad idea...
– G. Demecki
Jun 21 '17 at 13:56
Yo...
Node.js app can't run on port 80 even though there's no other process blocking the port
...speed of your requests if you run this on production, maybe someone has an idea. Anyway, you would need to make sure this command keeps running all the time, which introduces more headaches. For production environments, I suggest using a reverse proxy like nginx.
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How to improve performance of ngRepeat over a huge dataset (angular.js)?
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Awesome idea by the Ionic team. I wonder if that came from how native views are rendered?
– Bradley Flood
Jun 15 '15 at 6:12
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