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How can I determine if a String is non-null and not only whitespace in Groovy?
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252
Another option is
if (myString?.trim()) {
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}
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How can I display just a portion of an image in HTML/CSS?
Let's say I want a way to display just the the center 50x50px of an image that's 250x250px in HTML. How can I do that. Also, is there a way to do this for css:url() references?
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TypeError: sequence item 0: expected string, int found
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answered Jun 4 '12 at 11:54
cvalcval
5,11922 gold badges1414 silver badges1414 bronze badges
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Java: Literal percent sign in printf statement
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edited Oct 27 '18 at 13:53
Jakub Kukul
5,49311 gold badge3131 silver badges3535 bronze badges
answered...
I want to exception handle 'list index out of range.'
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255
Handling the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
go...
Git: How to return from 'detached HEAD' state
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edited Jan 25 '16 at 18:32
answered Aug 3 '12 at 18:20
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Can I use multiple “with”?
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357
Try:
With DependencedIncidents AS
(
SELECT INC.[RecTime],INC.[SQL] AS [str] FROM
(
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What is this: [Ljava.lang.Object;?
...ring[4][2]); // [[Ljava.lang.String;@xxxxx
System.out.println(new boolean[256]); // [Z@xxxxx
The reason why the toString() method on arrays returns String in this format is because arrays do not @Override the method inherited from Object, which is specified as follows:
The toString method for ...
Android Task Affinity Explanation
...he same activity, it's a different STATE of that activity.
The user had a 5 layer stack of activities, and two of them were the same activity. Popping all 5 off the stack will create the phenomenon where you will be interacting with two different versions of the same activity and can be quite conf...
Showing data values on stacked bar chart in ggplot2
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195
From ggplot 2.2.0 labels can easily be stacked by using position = position_stack(vjust = 0.5) i...