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Access multiple elements of list knowing their index
... |
edited Dec 16 '18 at 1:04
answered Aug 16 '13 at 11:25
T...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...on-clustered indexes in the CREATE TABLE statement?
Note that SQL Server 2014 introduced the inline index create option:
CREATE TABLE MyTable(
a int NOT NULL
,b smallint NOT NULL
,c smallint NOT NULL
,d smallint NOT NULL
,e smallint NOT NULL
-- This creates a primary key
...
How to disable scrolling temporarily?
...ed with scrolling.
[Working demo]
// left: 37, up: 38, right: 39, down: 40,
// spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36
var keys = {37: 1, 38: 1, 39: 1, 40: 1};
function preventDefault(e) {
e.preventDefault();
}
function preventDefaultForScrollKeys(e) {
if (keys[e.keyCode]) ...
Pass a data.frame column name to a function
...
109
You can just use the column name directly:
df <- data.frame(A=1:10, B=2:11, C=3:12)
fun1 &l...
What is the meaning of the term arena in relation to memory?
... For example:
char * arena = malloc(HUGE_NUMBER);
unsigned int current = 0;
void * my_malloc(size_t n) { current += n; return arena + current - n; }
The point is that you get full control over how the memory allocation works. The only thing outside your control is the single library call for th...
Using do block vs braces {}
...
102
Ruby cookbook says bracket syntax has higher precedence order than do..end
Keep in mind tha...
What's the difference between Sender, From and Return-Path?
...
answered Dec 6 '10 at 14:37
Shawn D.Shawn D.
6,45588 gold badges3030 silver badges4545 bronze badges
...
Test if element is present using Selenium WebDriver?
... this
Boolean isPresent = driver.findElements(By.yourLocator).size() > 0
This will return true if at least one element is found and false if it does not exist.
The official documentation recommends this method:
findElement should not be used to look for non-present elements, use findEleme...
What, why or when it is better to choose cshtml vs aspx?
... |
edited Jun 6 '12 at 12:06
answered Jun 6 '12 at 11:50
Jo...
How can I convince IE to simply display application/json rather than offer to download it?
...o a file, by the name of json-ie.reg.
Windows Registry Editor Version 5.00
;
; Tell IE to open JSON documents in the browser.
; 25336920-03F9-11cf-8FD0-00AA00686F13 is the CLSID for the "Browse in place" .
;
[HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/json]
"CLSID"="{25336920-0...