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Setting CSS pseudo-class rules from JavaScript
... can do it by altering the stylesheet, for example by adding the rule:
#elid:hover { background: red; }
assuming each element you want to affect has a unique ID to allow it to be selected.
In theory the document you want is http://www.w3.org/TR/DOM-Level-2-Style/Overview.html which means you can...
Can you create nested WITH clauses for Common Table Expressions?
... Stating that this is not nested, just because query 2 is not inside the parenthesis of query 1, sounds like a weak argument. I think it's nested (not recursively nested), because query 2 uses the result of query 1, which occurs with nesting too. Is defined that nesting can only be when a ...
delete map[key] in go?
...hat syntax has gone; instead there is a new built-in function, delete. The call
delete(m, k)
will delete the map entry retrieved by the expression m[k]. There is no return value. Deleting a non-existent entry is a no-op.
Updating: Running go fix will convert expressions of the form m[k] = value,...
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
...
The complete reference is called Unicode! You could look amongst the “Symbols/Other” character, perhaps (though you font probably won't have glyphs for much of it): fileformat.info/info/unicode/category/So/list.htm
– bobince
...
What does && mean in void *p = &&abc;
... OS loads the .exe file from the disk, a component of the operating system called "the loader" (windows has the "PE Loader", linux has "ELF loader" or maybe even others, if they're compiled in the kernel), it does a "virtualization" of that program, turning it into a process.
This process thinks it ...
Why Collections.sort uses merge sort instead of quicksort?
... to provide a stable sort (Merge Sort)
to sort object references. (Techincally speaking, multiple sequential
stable sorts result in a lexicographic ordering on the keys in the
reverse order of the sorts: the final sort determines the most
significant subkey.)
It's a nice side benefit th...
Difference between Document-based and Key/Value-based databases?
...me debate on the correct name for databases such as Cassandra, I'd like to call them column-family stores. Although key-value pairs are an essential part of Cassandra, it's not limited to just that. It allows you to nest key-value pairs, so a key could refer to multiple sub-key-value pairs.
You can...
How to convert a boolean array to an int array
... what i've read, if you need to do some time critical crunching you should call c from python. Do you know any references for doing this? also, thank you for your help. surprised how fast everyone responded!
– Kwolf
Jul 6 '13 at 20:54
...
REST APIs: custom HTTP headers vs URL parameters
...aves true metadata about the request for custom headers.
HTTP has a very wide selection of headers that cover most everything you'll need. Where I've seen custom headers come up is in a system to system request operating on behalf of a user. The proxy system will validate the user and add "X-User...
Moving default AVD configuration folder (.android)
...e answer.
Move .android folder to E:\Android
Create environment variable called
ANDROID_SDK_HOME and set its value to
E:\Android
Setting the environment variable on Windows XP or Windows 7:
Right-click on My Computer and choose "Properties"
Click the "Advanced" tab
Click the button "Environmen...