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Can you attach Amazon EBS to multiple instances?
...REALLY_BAD_IDEA_. To quote Kekoa, "this is like using a hard drive in two computers at once"
Why is this a bad idea? ...
The reason you can't attach a volume to more than one instance is that EBS provides a "block storage" abstraction upon which customers run a filesystem like ext2/ext3/etc. Mos...
Unresolved external symbol in object files
...ion. Solution was to add following preproc lines in every .h file:
#ifdef __cplusplus
extern "C"
{
#endif
and these in the end
#ifdef __cplusplus
}
#endif
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Pros and Cons of Interface constants [closed]
...mple of a good enough and a bad use:
Bad:
interface User {
const TYPE_ADMINISTRATOR = 1;
const TYPE_USER = 2;
const TYPE_GUEST = 3;
}
Good Enough:
interface HTTPRequest_1_1 {
const TYPE_CONNECT = 'connect';
const TYPE_DELETE = 'delete';
const TYPE_GET ...
Html table tr inside td
...
Just add a new table in the td you want. Example: http://jsfiddle.net/AbE3Q/
<table border="1">
<tr>
<td>ABC</td>
<td>ABC</td>
<td>ABC</td>
<td>ABC</td>
</tr>
<t...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
... (with corresponding RX flashes on the board) right before the avrdude: ser_recv(): programmer is not responding error.
The trick is to hit the reset button on the board immediately before these three packets are sent. Then the program will be uploaded successfully.
...
Vim: What's the difference between let and set?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How do I add 1 day to an NSDate?
...
Swift 5.0 :
var dayComponent = DateComponents()
dayComponent.day = 1 // For removing one day (yesterday): -1
let theCalendar = Calendar.current
let nextDate = theCalendar.date(byAdding: dayComponent, to: Date())
print("nextDate...
LINQ order by null column where order is ascending and nulls should be last
...nslated to LINQ method calls.
It turns out that
var products = from p in _context.Products
where p.ProductTypeId == 1
orderby p.LowestPrice.HasValue descending
orderby p.LowestPrice descending
select p;
will be translated by the compile...
CSV new-line character seen in unquoted field error
...csv file itself, but this might work for you, give it a try, replace:
file_read = csv.reader(self.file)
with:
file_read = csv.reader(self.file, dialect=csv.excel_tab)
Or, open a file with universal newline mode and pass it to csv.reader, like:
reader = csv.reader(open(self.file, 'rU'), dialec...
Assign one struct to another in C
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...