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How do I create a new class in IntelliJ without using the mouse?
...with arrow keys, then press Alt+Insert.
Another useful shortcut is View | Select In (Alt+F1), Project (1), then Alt+Insert to create a class near the existing one or use arrow keys to navigate through the packages.
And yet another way is to just type the class name in the existing code where you w...
Why use the INCLUDE clause when creating an index?
...ot in the WHERE/JOIN/GROUP BY/ORDER BY, but only in the column list in the SELECT clause.
The INCLUDE clause adds the data at the lowest/leaf level, rather than in the index tree.
This makes the index smaller because it's not part of the tree
INCLUDE columns are not key columns in the index, so th...
How to import existing Android project into Eclipse?
... import and existing Android project into my current Eclipse workspace. I select File->New->Android Project, which brings up the Android project dialog, I then select, "Create project from existing source", Location, Build Target and Finish.
...
MySQL: Transactions vs Locking Tables
...ransactions vs locking tables to ensure database integrity and make sure a SELECT and UPDATE remain in sync and no other connection interferes with it. I need to:
...
jQuery: select all elements of a given class, except for a particular Id
...
Use the :not selector.
$(".thisclass:not(#thisid)").doAction();
If you have multiple ids or selectors just use the comma delimiter, in addition:
(".thisclass:not(#thisid,#thatid)").doAction();
...
Python: Select subset from list based on index set
...ecause this will be very familiar syntax to users of R, where this kind of selection is very powerful, especially when nested and/or multidimensional.
– Thomas Browne
May 25 '14 at 21:11
...
How do I initialize a TypeScript object with a JSON object
...the type map:
export function fromJson(json: string): Person {
return cast(JSON.parse(json), object("Person"));
}
I've left out some code, but you can try quicktype for the details.
disable all form elements inside div
...
Try using the :input selector, along with a parent selector:
$("#parent-selector :input").attr("disabled", true);
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Java's Virtual Machine and CLR
... uses the same implementation as a List<Object>, with different type-casts at the API boundaries), but each value-type uses its own unique implementation (List<int> generates completely different code from List<double>).
In Java, generic types are a purely a compiler trick. The JV...
How do I rename a column in a SQLite database table?
...lite.org/images/syntax/alter-table-stmt.gif
Example:
CREATE TABLE tab AS SELECT 1 AS c;
SELECT * FROM tab;
ALTER TABLE tab RENAME COLUMN c to c_new;
SELECT * FROM tab;
db-fiddle.com demo
Android Support
As of writing, Android's API 27 is using SQLite package version 3.19.
Based on the cu...