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What is the difference between a static and a non-static initialization code block
...ately after the invocation of the super constructor.
If you remove static from int a, it becomes an instance variable, which you are not able to access from the static initializer block. This will fail to compile with the error "non-static variable a cannot be referenced from a static context".
If...
Rails migration for change column
... @QPaysTaxes up should contain what you want to change your column from and to, and down should contain how to reverse that change.
– DaveStephens
Jan 24 '16 at 14:02
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IE9 jQuery AJAX with CORS returns “Access is denied”
...e found here.
Two other notes:
The object XDomainRequest was introduced from IE8 and will not work in versions below.
From IE10 CORS will be supported using a normal XMLHttpRequest.
Edit 2: http to https problem
Requests must be targeted to the same scheme as the hosting page
This res...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...e datatypes you have - namely, int and Integer. You're getting an Integer from valueOf on the right hand side, of course.
After the conversion, you're comparing two primitive int values. Comparison happens just as you would expect it to with respect to primitives, so you wind up comparing 128 and ...
List Git aliases
...builds upon the answer by johnny. It applies if you're not using git-alias from git-extras.
On Linux, run once:
git config --global alias.alias "! git config --get-regexp ^alias\. | sed -e s/^alias\.// -e s/\ /\ =\ /"
This will create a permanent git alias named alias which gets stored in your ~...
How to run Rake tasks from within Rake tasks?
...you'd rather stick to rake's idioms, here are your possibilities, compiled from past answers:
This always executes the task, but it doesn't execute its dependencies:
Rake::Task["build"].execute
This one executes the dependencies, but it only executes the task if
it has not already been invoked:...
What is the difference between Tomcat, JBoss and Glassfish?
... Editing on stackoverflow is the right way to fix answers which drift from reality too far.
– Warren P
Jan 28 '16 at 13:11
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ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
... module via web platform installer.
I recommend to check all dependencies from web.config and install them.
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Passing a string with spaces as a function argument in bash
... detailedString="$1"
fieldNumber=$2
# Retrieves Column ${fieldNumber} From The Pipe Delimited ${detailedString}
# And Strips Leading And Trailing Spaces
echo ${detailedString} | awk -F '|' -v VAR=${fieldNumber} '{ print $VAR }' | sed 's/^[ \t]*//;s/[ \t]*$//'
}
while read LINE
do
var1...
Does anyone beside me just NOT get ASP.NET MVC? [closed]
...In the Web Forms model, your pages correspond directly to the page request from the browser. Thus, if you are directing a user to a list of Books, you'll likely have a page somewhere called "Booklist.aspx" to which you'll direct him. In that page, you'll have to provide everything needed to show th...