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Non-static variable cannot be referenced from a static context
...the resources it is holding such as memory during garbage collection.
In order to have an initial entry point for an application, Java has adopted the convention that the Java program must have a class that contains a method with an agreed upon or special name. This special method is called main()...
How do I hide javascript code in a webpage?
...ipt, it still comes down to the fact that your browser needs to load it in order to use it. Modern browsers have web debugging/analysis tools out of the box that make extracting and viewing scripts trivial (just hit F12 in Chrome, for example).
If you're worried about exposing some kind of trade se...
How to manage client-side JavaScript dependencies? [closed]
...cript you can do so by adding
those files to the app/ folder. Note that in order to expose your script via
the 'require' method you must make it a CommonJS module. It is very simple -
see the hem docs.
Local files
If you want to include non-CommonJS non 'require' code you can also stitch that
by r...
Get top 1 row of each group
... cte AS
(
SELECT *,
ROW_NUMBER() OVER (PARTITION BY DocumentID ORDER BY DateCreated DESC) AS rn
FROM DocumentStatusLogs
)
SELECT *
FROM cte
WHERE rn = 1
If you expect 2 entries per day, then this will arbitrarily pick one. To get both entries for a day, use DENSE_RANK instead
As fo...
What is a practical use for a closure in JavaScript?
...clude:
Passing parameterised behaviour into an algorithm (classic higher-order programming):
function proximity_sort(arr, midpoint) {
arr.sort(function(a, b) { a -= midpoint; b -= midpoint; return a*a - b*b; });
}
Simulating object oriented programming:
function counter() {
var a = 0;
...
Properties order in Margin
...lly you can specify a single size:
Margin="1"
used for all sides
The order is the same as in WinForms.
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Initialising mock objects - MockIto
...
Less magic to have to understand in order to read the test. You declare the variable, and give it a value - no annotations, reflection etc.
– Karu
Jun 2 '15 at 4:14
...
Cosmic Rays: what is the probability they will affect a program?
...rror Rate of 10-12 for their memory modules", "a observed error rate is 4 orders of magnitude lower than expected". For data-intensive tasks (8 GB/s of memory reading) this means that single bit flip may occur every minute (10-12 vendors BER) or once in two days (10-16 BER).
2009 Google's paper "DR...
Database, Table and Column Naming Conventions? [closed]
...ith a proper descriptive name for what it is used. I purposely did this in order to OBFUSCATE my source code in case someone else tries to hack or reverse-engineer my code. Only I can understand it, someone else will get frustrated!..This way, they always have to rely on me for anything!
...
How to check Oracle database for long running queries
... s.sql_hash_value
and s.status = 'ACTIVE'
and s.username <> 'SYSTEM'
order by s.sid,t.piece
/
This shows locks. Sometimes things are going slow, but it's because it is blocked waiting for a lock:
select
object_name,
object_type,
session_id,
type, -- Type or system/user l...