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Getting visitors country from their IP
...t($ch, CURLOPT_RETURNTRANSFER, TRUE);
$ip_data_in = curl_exec($ch); // string
curl_close($ch);
$ip_data = json_decode($ip_data_in,true);
$ip_data = str_replace('"', '"', $ip_data); // for PHP 5.2 see stackoverflow.com/questions/3110487/
if($ip_data && $ip_data[...
Loading custom configuration files
... I did this, but when I access ConfigurationManager.ConnectionStrings I'm still gettting the old data. What am I missing?
– MAW74656
Dec 7 '15 at 20:25
1
...
Subscripts in plots in R
...
And if you want the subscript to be a string, just put it in quotes: plot(1:10, xlab=expression('hi'[5]*'there'[6]^8*'you'['down here']*'and'^'up'*'there'))
– Stewart Macdonald
Sep 11 '14 at 7:28
...
ERROR 2006 (HY000): MySQL server has gone away
...ocket connection), e.g.:
sudo tcpdump -i lo0 -s 1500 -nl -w- port mysql | strings
On Linux, use strace. On BSD/Mac use dtrace/dtruss, e.g.
sudo dtruss -a -fn mysqld 2>&1
See: Getting started with DTracing MySQL
Learn more how to debug MySQL server or client at: 26.5 Debugging and Porti...
How to Display blob (.pdf) in an AngularJS app
...s.setContentType(MediaType.parseMediaType("application/pdf"));
String filename = "test.pdf";
headers.setContentDispositionFormData(filename, filename);
ResponseEntity<byte[]> response = new ResponseEntity<byte[]>(contents, headers, HttpStatus.OK);
...
Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
...ckbox, then compile and run.
class myclass
{
public static void Main(string[] args)
{
unsafe
{
int iData = 10;
int* pData = &iData;
Console.WriteLine("Data is " + iData);
Console.WriteLine("Address is " + (int)pData...
Is it true that one should not use NSLog() on production code?
...
#define DebugLog( s, ... ) NSLog( @"<%p %@:(%d)> %@", self, [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__, [NSString stringWithFormat:(s), ##__VA_ARGS__] )
#else
#define DebugLog( s, ... )
#endif
I found it easier to put this entire statement in the prefix ...
What's the best way to set a single pixel in an HTML5 canvas?
... RGB values straight into an ImageData block on the other hand requires no string handling or parsing.
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Calculate age given the birth date in the format YYYYMMDD
...
Try this.
function getAge(dateString) {
var today = new Date();
var birthDate = new Date(dateString);
var age = today.getFullYear() - birthDate.getFullYear();
var m = today.getMonth() - birthDate.getMonth();
if (m < 0 || (m === 0 &a...
Call a global variable inside module
...oo if you want to go that far, for example declare var myFunction: (input: string) => void;
– Fenton
Mar 14 '18 at 11:20
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