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When is an interface with a default method initialized?
...ough to trigger the initialization. The default method doesn't have to be called or overridden or even mentioned, nor does the presence of an abstract method trigger initialization.
My speculation is that the HotSpot implementation wanted to avoid adding class/interface initialization checking into...
How to declare variable and use it in the same Oracle SQL script?
...nd variable. The mechanism for assigning values to a VAR is with an EXEC call:
SQL> var name varchar2(20)
SQL> exec :name := 'SALES'
PL/SQL procedure successfully completed.
SQL> select * from dept
2 where dname = :name
3 /
DEPTNO DNAME LOC
---------- -------------- ...
Why are there two kinds of functions in Elixir?
...rts with a clean slate and you don't get the variables of different scopes all mixed up together. You have a clear boundary.
We could retrieve the named hello function above as an anonymous function. You mentioned it yourself:
other_function(&hello(&1))
And then you asked, why I cannot s...
Upgrading Node.js to latest version
So, I have Node.js installed and now when I tried to install Mongoosejs I got an error telling me that I don't have the needed version of Node.js (I have v0.4.11 and v0.4.12 is needed).
...
How do you import classes in JSP?
...
Should you put it all on one line or split it across multiple lines for readability?
– Xonatron
Jan 24 '12 at 20:07
6
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Postgresql - change the size of a varchar column to lower length
I have a question about the ALTER TABLE command on a really large table (almost 30 millions rows).
One of its columns is a varchar(255) and I would like to resize it to a varchar(40) .
Basically, I would like to change my column by running the following command:
...
Auto Scale TextView Text to Fit within Bounds
...ing for a way to wrap the text- I want to make sure it both wraps and is small enough to fit entirely on the screen.
34 An...
How to Implement DOM Data Binding in JavaScript
...ake this work, your object needs to implement the eventListener interface. All that's needed to accomplish this is to give the object a handleEvent() method.
That's where the inheritance comes in.
MyCtor.prototype.handleEvent = function(event) {
switch (event.type) {
case "change": th...
How to shrink the .git folder
...
you should not delete all changes older than 30 days (i think it's somehow possible exploiting git, but really not recommended).
you can call git gc --aggressive --prune, which will perform garbage collection in your repository and prune old obje...
What is the difference between const int*, const int * const, and int const *?
...= int const *
const int * const == int const * const
If you want to go really crazy you can do things like this:
int ** - pointer to pointer to int
int ** const - a const pointer to a pointer to an int
int * const * - a pointer to a const pointer to an int
int const ** - a pointer to a pointer t...