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What is a JavaBean exactly?
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A JavaBean is just a standard
All properties private (use getters/setters)
A public no-argument constructor
Implements Serializable.
That's it. It's just a convention. Lots of libraries depend on it though.
With respect to Serializable, from the API d...
How to extend an existing JavaScript array with another array, without creating a new array
... extend by) is large (> 150000 entries approx in Chrome according to my tests). You should use a for loop, or even better use the inbuilt "forEach" function on "b". See my answer: stackoverflow.com/questions/1374126/…
– jcdude
Oct 10 '13 at 15:41
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jQuery load more data on scroll
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html += '<p class="dynamic">Dynamic Data : This is test data.<br />Next line.</p>';
}
$('#myScroll').append(html);
counter++;
if(counter==2)
$('#myScroll').append('<button id="uniqueButton" style="margin-left: 50%; bac...
ImportError: No module named MySQLdb
...tall pymysql and switch your SQLAlchemy URI to start like this:
SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://.....'
There are some other drivers you could also try.
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Read values into a shell variable from a pipe
...ck read into accepting from a pipe like this:
echo "hello world" | { read test; echo test=$test; }
or even write a function like this:
read_from_pipe() { read "$@" <&0; }
But there's no point - your variable assignments may not last! A pipeline may spawn a subshell, where the environmen...
Maven2: Missing artifact but jars are in place
... settings in the global or user settings.
Check you're using the Maven installation you expect. By default m2eclipse uses the embedder, if you have a separate installation you may want to configure m2eclipse to use the external installation so that CLI and Eclipse builds are consistent. This also en...
In a Bash script, how can I exit the entire script if a certain condition occurs?
I'm writing a script in Bash to test some code. However, it seems silly to run the tests if compiling the code fails in the first place, in which case I'll just abort the tests.
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Rails 3 execute custom sql query without a model
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Maybe try this:
ActiveRecord::Base.establish_connection(...)
ActiveRecord::Base.connection.execute(...)
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How do you calculate log base 2 in Java for integers?
...g a more general task - trying to implement int log(int x, int base):
The testing code:
static int pow(int base, int power) {
int result = 1;
for (int i = 0; i < power; i++)
result *= base;
return result;
}
private static void test(int base, int pow) {
int x = pow(base,...
How does Google's Page Speed lossless image compression work?
... image can be losslessly compressed, and provide a link to download this smaller image.
9 Answers
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