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Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...people, switching grammar types can be a very painful experience. In other words: YMMV.
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How can I loop through a List and grab each item?
...
Another word of warning, if you have a big list, (by big I mean over 100,000 items) myMoney.Count start to take a while as it has to traverse the list to perform the Count, and in the for examples above the myMoney.Count is counted e...
How can I prevent the backspace key from navigating back?
...e === 8) {
var doPrevent = true;
var types = ["text", "password", "file", "search", "email", "number", "date", "color", "datetime", "datetime-local", "month", "range", "search", "tel", "time", "url", "week"];
var d = $(event.srcElement || event.target);
var disabled =...
Positioning a div near bottom side of another div
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IE7 was horizontally positioning the green div after the word "Outer". I've updated the code to specify "left: 0".
– RichieHindle
May 13 '09 at 14:05
add a ...
Current time in microseconds in java
...s, adrift from actual time as might be read from an atomic clock. In other words, just because you see a bunch of digits to the right of the decimal mark does not mean you can trust the elapsed time between such readings to be true to that minute degree.
...
iOS: Use a boolean in NSUserDefaults
...ded. These values only get used if your app hasn't replaced them. In other words, they won't be used unless the key you're looking for isn't in the Application Domain, i.e., the user defaults read from the user's .plist file.
On the other hand, you could just check for login credentials and pop up ...
Any reason to prefer getClass() over instanceof when generating .equals()?
...ar and concise answer for this question. A code sample is worth a thousand words.
– Johnride
Aug 28 '14 at 12:34
I was...
How to use the toString method in Java?
...ed hexadecimal
representation of the hash code of the
object. In other words, this method
returns a string equal to the value
of:
getClass().getName() + '@' + Integer.toHexString(hashCode())
Example:
String[] mystr ={"a","b","c"};
System.out.println("mystr.toString: " + mystr.toString()...
Are PostgreSQL column names case-sensitive?
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To quote the documentation:
Key words and unquoted identifiers are case insensitive. Therefore:
UPDATE MY_TABLE SET A = 5;
can equivalently be written as:
uPDaTE my_TabLE SeT a = 5;
You could also write it using quoted identifiers:
UPDATE "my_ta...
When should you use a class vs a struct in C++?
..., but people rarely declare structs just to save on typing the "public" keyword.
But the real difference in practice is between a class/struct that declares a constructor/destructor and one that doesn't. There are certain guarantees to a "plain-old-data" POD type, that no longer apply once you ta...