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Are inline virtual functions really a non-sense?
...ned in one implementation file instead of a header then). They would throw errors like missing vtable-for-class-A or something similar, and you would be confused as hell, as i was.
Indeed, that's not conformant with the Standard, but it happens so consider putting at least one virtual function not...
C: differences between char pointer and array [duplicate]
...= arr2; //Ok, pchar now points at "Another String"
arr = arr2; //Compiler Error! The array name can be used as a pointer VALUE
//not a pointer VARIABLE
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How can one use multi threading in PHP applications
...2:01:38pm: C -finish
12:01:42pm: A -finish
Real World Example
error_reporting(E_ALL);
class AsyncWebRequest extends Thread {
public $url;
public $data;
public function __construct($url) {
$this->url = $url;
}
public function run() {
if (($url = $...
Check to see if python script is running
...bind('\0' + process_name)
print 'I got the lock'
except socket.error:
print 'lock exists'
sys.exit()
get_lock('running_test')
while True:
time.sleep(3)
It is atomic and avoids the problem of having lock files lying around if your process gets sent a SIGKILL
You can...
Static member initialization in a class template
...ename T> double S<T>::something_relevant=1.5;) compiler throwing error.Can you please tell me what is the reason?
– goodman
Jan 21 at 10:29
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Difference between Statement and PreparedStatement
...eters to set, writing Query using String concatenation looks very ugly and error prone.
Read more about SQL injection issue at http://www.journaldev.com/2489/jdbc-statement-vs-preparedstatement-sql-injection-example
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How to get Visual Studio to open Resolve Conflicts window after a TFS Get
...elect C#, then select Advanced.
Then check the box for Show live semantic errors.
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How to grant permission to users for a directory using command line in Windows?
... If you run this in Powershell in Windows 10, you will get the error about "OI not recognized". Solution: Put the user+perms argument in quotes. For example: C:\>icacls "D:\test" /grant "John:(OI)(CI)F" /T
– JDS
Jan 8 '18 at 16:56
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What's the use of ob_start() in php?
... use during "redirection" reminded me of all the times that i have had the error "Headers already sent". Thanks
– pat
Feb 2 '14 at 19:40
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JavaScript get element by name
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The reason you're seeing that error is because document.getElementsByName returns a NodeList of elements. And a NodeList of elements does not have a .value property.
Use this instead:
document.getElementsByName("acc")[0].value
...