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Is it possible to change only the alpha of a rgba background colour on hover?
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How to customize the back button on ActionBar
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MySQL Error 1093 - Can't specify target table for update in FROM clause
... use in the SELECT part.
This behaviour is documented at:
http://dev.mysql.com/doc/refman/5.6/en/update.html
Maybe you can just join the table to itself
If the logic is simple enough to re-shape the query, lose the subquery and join the table to itself, employing appropriate selection criteria. Th...
How to change column datatype in SQL database without losing data
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You can easily do this using the following command. Any value of 0 will be turned into a 0 (BIT = false), anything else will be turned into 1 (BIT = true).
ALTER TABLE dbo.YourTable
ALTER COLUMN YourColumnName BIT
The other option would be to create a new column...
What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...d as
text/html should be treated as HTML and not as XHTML.
It's a very common pitfall, because W3C Validator largely ignores that rule, but browsers follow it religiously. Read
Understanding HTML, XML and XHTML from WebKit blog:
In fact, the vast majority of supposedly XHTML documents on th...
How to build a jar using maven, ignoring test results? [duplicate]
...will ignore any errors occurred during test execution
-DskipTests - would compile the test classes but skip test execution entirely
-Dmaven.test.skip=true - would not even compile the tests
I believe that in your case where you want to compile test classes but not fail the build due to any tests ...
How do I get the currently displayed fragment?
...Visible()) {
// add your code here
}
See also http://developer.android.com/reference/android/app/Fragment.html
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Should I compile with /MD or /MT?
In Visual Studio, there's the compile flags /MD and /MT which let you choose which kind of C runtime library you want.
7 An...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...uite a few issues:
It can be broken out of. If you are going to actually compile or run untrusted C programs on your system, you are especially vulnerable to this issue. And if your students are anything like mine, someone WILL try to break out of the jail.
You have to create a full independent fi...
How to check for an active Internet connection on iOS or macOS?
...n
{
internetReachableFoo = [Reachability reachabilityWithHostname:@"www.google.com"];
// Internet is reachable
internetReachableFoo.reachableBlock = ^(Reachability*reach)
{
// Update the UI on the main thread
dispatch_async(dispatch_get_main_queue(), ^{
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