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Difference between validate(), revalidate() and invalidate() in Swing GUI
...id 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 Component.java
public void revalidate() {
revalid...
HTTP Error 500.19 and error code : 0x80070021
...oogle for many hours. I found out the solution.
This error is because some settings are disabled in IIS applicationHost.config.
Below are the steps to solution:
Go to C:\Windows\System32\inetsrv\config\applicationHost.config and open in notepad
Change the following key value present in
<sec...
How can I uninstall an application using PowerShell?
Is there a simple way to hook into the standard ' Add or Remove Programs ' functionality using PowerShell to uninstall an existing application ? Or to check if the application is installed?
...
How to get Ruby / Homebrew / RVM to work on Yosemite?
After installing Yosemite, I was unable to run brew or ruby.
11 Answers
11
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Git : List all unmerged changes in git
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Why am I merging “remote-tracking branch 'origin/develop' into develop”?
...te possible that rebase is the wrong operation—a rebase --onto, merge, reset, or push -f might be more appropriate than a plain rebase.
It is not (currently) possible to pass --preserve-merges to the rebase operation, so any intentional merge of a feature branch will be linearized, replaying (and ...
What is the difference between String.Empty and “” (empty string)?
In .NET, what is the difference between String.Empty and "" , and are they interchangable, or is there some underlying reference or Localization issues around equality that String.Empty will ensure are not a problem?
...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
...-elements [blog]. You can disable the default appearance and behaviour by setting -webkit-appearance [docs] to none.
Because you're removing the default style, you'll also need to specify the style yourself or the scroll bar will never show up. The following CSS recreates the appearance of the hi...
How to send multiple data fields via Ajax? [closed]
...
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
url: "yoururlhere",
data: { data1: value1, data2: value2, data3: value3 },
success: function (result) {
// do something here
}
});
If you want to use it via normal post try th...
Importing data from a JSON file into R
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