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Difference between validate(), revalidate() and invalidate() in Swing GUI
...ater.
validate() performs relayout. It means invalid content is asked for all the sizes and all the subcomponents' sizes are set to proper values by LayoutManager.
revalidate() is just sum of both. It marks the container as invalid and performs layout of the container.
UPDATE:
Some code from Com...
Using git commit -a with vim
...rupt the commit when I quit vim?
There are 2 ways:
:cq or :cquit
Delete all lines of the commit message, including comments, and then :wq
Either way will give git an error code, so it will not proceed with the commit. This is particularly useful with git commit --amend.
...
Temporarily disable some plugins using pathogen in vim.
...ne plugin. I would like to load only this plugin, without having to delete all the other bundles in my pathogen's bundle folder, to debug.
...
Which Java Collection should I use?
...ist is preferable. LinkedList has per-element overhead, so it is asymptotically worse in terms of memory consumption than an ArrayList. Also, if most of the access is at the end of the list, an ArrayList is preferable because it provides constant-time random element access. Accessing the nth element...
Proper way to add svn:executable
...
Sorry for all the edits, but if I recall correctly, having it set to anything will turn on the executable bit, deleting it (and possibly setting it to null or whitespace) will turn it off. To get the value your SVN client was using, a...
How to check if a given directory exists in Ruby
I am trying to write a script which automatically checks out or updates a Subversion URL based on whether a specified directory exists or not.
...
How to change ProgressBar's progress indicator color in Android
...
Is it possible to change the colour dynamically?
– async
May 29 '14 at 21:08
can the c...
count members with jsonpath?
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@mattb - if using Maven, do not add hamcrest-all as a dependancy, but use hamcrest-library: code.google.com/p/hamcrest/wiki/HamcrestDistributables
– Adam Michalik
Nov 3 '15 at 13:37
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How do I *really* justify a horizontal menu in HTML+CSS?
...s!
Now that CSS3 flexboxes have better browser support, some of us can finally start using them. Just add additional vendor prefixes for more browser coverage.
In this instance, you would just set the parent element's display to flex and then change the justify-content property to either space-bet...
Representing null in JSON
...s of type undefined.
JSON2 {"myCount": null}
In this case, myCount is actually defined, albeit its value is null. This is not the same as both "not undefined and not null", and if you were testing for one condition or the other, this might succeed whereas JSON1 would fail.
This is the definitive wa...