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What is SQL injection? [duplicate]
...erabilities because attackers can send values to an application that they know will be interpolated into a SQL string. By being very clever, they can manipulate the result of queries, reading data or even changing data that they shouldn't be allowed to do.
Example in PHP:
$password = $_POST['pass...
How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
...each connection will wait for the other to release the key -> deadlock.
Now, if you changed your queries such that the connections would lock the keys at the same order, ie:
connection 1: locks key(1), locks key(2);
connection 2: locks key(1), locks key(2);
it will be impossible to get a deadlo...
How do you convert a byte array to a hexadecimal string, and vice versa?
...t a String. String myValue = 10.ToString("X"); myValue is "A" not "0A". Now go read that string back into bytes, oops you broke it.
– 00jt
Jan 30 '13 at 19:25
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Command not found when using sudo
... set the executable permission on foo.sh
$ ls -l foo.sh # Now we see an x after the rw
-rwxr-xr-x 1 rkielty users 0 2012-10-21 14:47 foo.sh
^ ^ ^
foo.sh is now executable as far as Linux is concerned.
Using sudo results in Command not found
When you run a command using sud...
Using SQL Server 2008 and SQL Server 2005 and date time
...
I voted this down by mistake, undid that, but now can't do what I really wanted to do which is vote it up! Thank you for finding the issue. If I understand correctly, does the value change from 2005 to 2008 due to updating the model from the database, where the database ...
Check if property has attribute
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This can now be done without expression trees and extension methods in a type safe manner with the new C# feature nameof() like this:
Attribute.IsDefined(typeof(YourClass).GetProperty(nameof(YourClass.Id)), typeof(IsIdentity));
nam...
Re-sign IPA (iPhone)
...is built into the binary, so you can only resign using the same app ID. I know I was not able to resign with a different app ID.
– Michael Baltaks
Dec 5 '11 at 21:12
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Avoid modal dismiss on enter keypress
...n to be fired. I changed it to an anchor instead and it works as expected now (enter submits the form and does not close the modal).
<a class="close" data-dismiss="modal">&times;</a>
Without seeing your source, I can't confirm that your cause is the same though.
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When should we use mutex and when should we use semaphore
...). This isn't so easy with a multiple-instance resource since you may not know whether the thread wants to claim another instance or the same instance again.
– paxdiablo
Oct 28 '10 at 5:21
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How to validate inputs dynamically created using ng-repeat, ng-show (angular)
...e inputs, but despite the string literals in HTML appearing correct, it is now working.
14 Answers
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