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Creating an array of objects in Java
....creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
...
Replace None with NaN in pandas dataframe
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pd.np.nan now gives FutureWarning: The pandas.np module is deprecated and will be removed from pandas in a future version. Import numpy directly instead.
– Alex Povel
Jun 22 at 17:14
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Frame Buster Buster … buster code needed
...n will create a false anti anti anti ... (dunno how much anti we are up to now) lighbox div for itself presenting a phishing link or whatever ... tbc
– yunzen
Oct 1 '11 at 15:12
7
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AWS S3: how do I see how much disk space is using
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AWS Cloudwatch now has a metric for bucket size and number of objects that is updated daily. About time! aws.amazon.com/blogs/aws/…
– cudds
Jul 28 '15 at 23:13
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How to inspect FormData?
...
Updated Method:
As of March 2016, recent versions of Chrome and Firefox now support using FormData.entries() to inspect FormData. Source.
// Create a test FormData object
var formData = new FormData();
formData.append('key1', 'value1');
formData.append('key2', 'value2');
// Display the key/valu...
Merging 2 branches together in GIT
... A
$ git checkout A
# hack hack
$ git commit -am "commit on branch A"
so now there are three separate branches (namely A B and C) with different heads
to get the changes from B and C back to A, checkout A (already done in this example) and then use the merge command:
# create an octopus merge
$ ...
ORA-00979 not a group by expression
...ow as result with the first column 0 to fulfill the GROUP BY but there are now two values of bar to chose from. Which result would you expect - A or B? Or should the database return more than one row, violating the contract of GROUP BY?
...
Is there a way to make ellipsize=“marquee” always scroll?
...l over an item in a list view (like in the Market app), only then does the now-selected text start scrolling. And since this particular TextView isn't focusable or clickable, it will never lose its selection state.
Unfortunately, as far as I know there is no way to pre-set the selected state from ...
How do I create test and train samples from one dataframe with pandas?
...
Btw, it does return a Pandas Dataframe now (just tested on Sklearn 0.16.1)
– Julien Marrec
Jul 8 '15 at 10:30
12
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Getter and Setter declaration in .NET [duplicate]
...rty
{
get { return _myProperty; }
set { _myProperty = value; }
}
Now you can add code that validates the value in your setter:
set
{
if (string.IsNullOrWhiteSpace(value))
throw new ArgumentNullException();
_myProperty = value;
}
Properties can also have different access...