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Database development mistakes made by application developers [closed]
...highly flexible data model.
7. Not sanitizing input
This is a huge one. Now I like PHP but if you don't know what you're doing it's really easy to create sites vulnerable to attack. Nothing sums it up better than the story of little Bobby Tables.
Data provided by the user by way of URLs, form d...
Unknown Column In Where Clause
...tcount
FROM nodes
WHERE attachmentcount > 0;
You'll get an error "Unknown column 'attachmentcount' in WHERE clause".
Solution is actually fairly simple - just replace the alias with the statement which produces the alias, eg:
SELECT nodes.*, (SELECT (COUNT(*) FROM attachments
WHERE attachme...
String formatting named parameters?
I know it's a really simple question, but I have no idea how to google it.
6 Answers
6...
How to grey out a button?
...layout_height="wrap_content"
android:theme="@style/BlueButton"/>
Now when you call btnBlue.setEnabled(true) OR btnBlue.setEnabled(false) the state colors will automatically switch.
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Android emulator failed to allocate memory 8
... Seriously, what a stupid bug... /facepalm At least I can progress now! Thank you!
– mrswadge
Nov 9 '13 at 20:01
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What is the difference between a web API and a web service?
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Not "absolutely the same" if there are restrictions now are they?
– Ojonugwa Jude Ochalifu
Feb 6 '18 at 15:53
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Javascript “Not a Constructor” Exception while creating objects
...ame; work in other code and you could instantiate the class just fine, but now I try it and it doesn't work for different code. Wondering if it's the SDK itself I'm working with.
– Azurespot
Sep 27 '19 at 1:22
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Get source jar files attached to Eclipse for Maven-managed dependencies
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Spring does now provide them.
– Robin Green
Dec 15 '14 at 17:08
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Android: Access child views from a ListView
.../ Say, first visible position is 8, you want position 10, wantedChild will now be 2
// So that means your view is child #2 in the ViewGroup:
if (wantedChild < 0 || wantedChild >= listView.getChildCount()) {
Log.w(TAG, "Unable to get view for desired position, because it's not being displayed...
How to determine a user's IP address in node
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Note that net.Stream is now net.Socket, and the documentation lives here: nodejs.org/api/net.html#net_class_net_socket
– monsur
Mar 1 '13 at 5:02
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