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Persistent invalid graphics state error when using ggplot2
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I ran into this same error and solved it by running:
dev.off()
and then running the plot again. I think the graphics device was messed up earlier somehow by exporting some graphics and it didn't get reset. This worked for me and it's simpler than reinstalling gg...
Split a String into an array in Swift?
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In my tests, componentsSeparatedByString is usually significantly faster, especially when dealing with strings that require splitting into many pieces. But for the example listed by the OP, either should suffice.
– Casey Perkins
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How do I create a datetime in Python from milliseconds?
I can create a similar Date object in Java by java.util.Date(milliseconds) . How do I create the comparable in Python?
5 A...
jQuery Validate - Enable validation for hidden fields
In the new version of jQuery validation plugin 1.9 by default validation of hidden fields ignored . I'm using CKEditor for textarea input field and it hides the field and replace it with iframe. The field is there, but validation disabled for hidden fields. With validation plugin version 1.8.1 ever...
Best practice for nested fragments in Android 4.0, 4.1 (
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The only way I could see this working is by using a CustomLayoutInflater, as you come across the fragment element, you would override the super implementation and try to parse/inflate it yourself. But that will be ALOT of effort, Well out of scope of a StackOverflow...
“From View Controller” disappears using UIViewControllerContextTransitioning
...'s view is going to be hidden (removed from the view hierarchy) completely by the end of transition. In other words it means that after the initial presentation animation finishes only the presented view controller's view will be visible and not the presenting view controller's view. For example if ...
How to create id with AUTO_INCREMENT on Oracle?
...is now available on Oracle 12c:
create table t1 (
c1 NUMBER GENERATED by default on null as IDENTITY,
c2 VARCHAR2(10)
);
or specify starting and increment values, also preventing any insert into the identity column (GENERATED ALWAYS) (again, Oracle 12c+ only)
create table t1 (
c1...
Format JavaScript date as yyyy-mm-dd
...ate string should not depend on successful parsing of non-standard strings by the built-in parser. Given the OP format, it can be reformatted in less code without using a Date at all.
– RobG
Jun 16 '17 at 12:12
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File being used by another process after using File.Create()
...ated and when it tries to write in to the file it shows file is being used by other process.
– Anmol Rathod
Jul 15 '18 at 20:58
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Why can a class not be defined as protected?
... default.
Since there is no way to restrict this class being subclassed by only few classes (we cannot restrict class being inherited by only few classes out of all the available classes in a package/outside of a package), there is no use of protected access specifiers for top level classes. Henc...