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Can CSS detect the number of children an element has?
...re going with a pure CSS solution.
W3 CSS3 Spec on pseudo-classes
EDIT I read your question a little differently - there are a couple other ways to style the parent, not the children. Let me throw a few other selectors your way:
:empty and :not
This styles elements that have no children. Not t...
Relational Database Design Patterns? [closed]
...k of design patterns with relational databases. Relational databases are already the application of a "design pattern" to a problem (the problem being "how to represent, store and work with data while maintaining its integrity", and the design being the relational model). Other approches (generally ...
Random number generator only generating one random number
...t on the same instance.
//Function to get a random number
private static readonly Random random = new Random();
private static readonly object syncLock = new object();
public static int RandomNumber(int min, int max)
{
lock(syncLock) { // synchronize
return random.Next(min, max);
...
Can I access constants in settings.py from templates in Django?
...e able to access from a template, but I can't figure out how to do it. I already tried
15 Answers
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”
...imple-1.6.1.jar to my application along with slf4j-api-1.6.1.jar which I already had.
This solved my issue. Hope it helps others who have this issue.
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How to get current foreground activity context in android?
...nCreate or init or other method that runs when instance is becoming active/ready), put getApplication().registerActivityLifecycleCallbacks(this); as the last line.
– ToolmakerSteve
Oct 8 '15 at 1:40
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Adding onClick event dynamically using jQuery
... it set onclick as a property rather than being registered as handler...
Read more on this post https://stackoverflow.com/a/6348597/297641
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“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
...n occurs when the app is trying to notify the user from
the background thread (AsyncTask) by opening a Dialog.
If you are trying to modify the UI from background thread (usually
from onPostExecute() of AsyncTask) and if the activity enters
finishing stage i.e.) explicitly calling finish(...
Advantages of Antlr (versus say, lex/yacc/bison) [closed]
... you have to deal with somewhat cryptic errors like shift-reduce and (the dreaded) reduce-reduce. These are errors that Bison catches when generating the parser, so it doesn't affect the end-user experience, but it can make the development process a bit more interesting. ANTLR is generally conside...
How many threads can a Java VM support?
How many threads can a Java VM support? Does this vary by vendor? by operating system? other factors?
12 Answers
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