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How do I auto-hide placeholder text upon focus using css or jquery?
This is done automatically for every browser except Chrome .
26 Answers
26
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How do I create a new class in IntelliJ without using the mouse?
...rom code with a single keystroke? I've been trying to figure this out from time to time for years it seems.
– Sophistifunk
Feb 4 '14 at 2:23
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Where does PostgreSQL store the database?
...a directory is, use this query.
show data_directory;
To see all the run-time parameters, use
show all;
You can create tablespaces to store database objects in other parts of the filesystem. To see tablespaces, which might not be in that data directory, use this query.
SELECT * FROM pg_tablesp...
When to use an interface instead of an abstract class and vice versa?
...
Personally, I almost never have the need to write abstract classes.
Most times I see abstract classes being (mis)used, it's because the author of the abstract class is using the "Template method" pattern.
The problem with "Template method" is that it's nearly always somewhat re-entrant - the "der...
Installing a local module using npm?
I have a downloaded module repo, I want to install it locally, not globally in another directory?
7 Answers
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What is the reason for a red exclamation mark next to my project in Eclipse?
...en in eclipse.
An extract from that page:
Build path problems are sometimes easy to miss among other problems in
a project. The Package Explorer and Project Explorer views now show a
new decorator on Java projects and working sets that contain build
path errors:
The concrete er...
How to find path of active app.config file?
...ry.
When it is run by the test loader, the test assembly is loaded at runtime and will look in its own app.config (renamed to testAssembly.dll.config at compile time) rather then your applications config file.
To get the location of the assembly you're running, try
System.Reflection.Assembly.Get...
Why does flowing off the end of a non-void function without returning a value not produce a compiler
...er "prohibitively expensive", but because they only do it once, at compile time, they have negligible expense. Even having said that, I don't see why identifying exit points of a function needs to be super-linear: You just traverse the AST of the function and look for return or exit calls. That's li...
How do I get the coordinates of a mouse click on a canvas element?
What's the simplest way to add a click event handler to a canvas element that will return the x and y coordinates of the click (relative to the canvas element)?
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How can I install a .ipa file to my iPhone simulator
I have an iphone simulator running on my Mac.
12 Answers
12
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