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Cannot open backup device. Operating System error 5
Below is the query that I am using to backup (create a .bak ) my database.
21 Answers
...
How to recursively list all the files in a directory in C#?
...und the inner foreach loop otherwise it does not continue of access denied errors
– Shaun Vermaak
Feb 27 '17 at 15:26
3
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What is the difference between self-types and trait subclasses?
... extends Tweeter {
| def noCanDo = name
| }
<console>:9: error: illegal inheritance;
self-type Wrong does not conform to Tweeter's selftype Tweeter with User
trait Wrong extends Tweeter {
^
<console>:10: error: not found: value name
...
Delimiters in MySQL
...port it will cause it to be sent to the server, which will report a syntax error. For example, using PHP and MySQLi:
$mysqli = new mysqli('localhost', 'user', 'pass', 'test');
$result = $mysqli->query('DELIMITER $$');
echo $mysqli->error;
Errors with:
You have an error in your SQL syntax; ch...
git: patch does not apply
...ord-wise diffs".
Additionally, --whitespace=fix will warn about whitespace errors and try to fix them, rather than refusing to apply an otherwise applicable hunk.
Both options together make the application of a patch more robust against failure, but they require additional attention with respect to ...
How to make “if not true condition”?
...
I think it can be simplified into:
grep sysa /etc/passwd || {
echo "ERROR - The user sysa could not be looked up"
exit 2
}
or in a single command line
$ grep sysa /etc/passwd || { echo "ERROR - The user sysa could not be looked up"; exit 2; }
...
Docker can't connect to docker daemon
After I update my Docker version to 0.8.0 , I get an error message while entering sudo docker version :
40 Answers
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Create an enum with string values
...llo" | "world";
var foo: Options;
foo = "hello"; // Okay
foo = "asdf"; // Error!
More : https://www.typescriptlang.org/docs/handbook/advanced-types.html#string-literal-types
Legacy Support
Enums in TypeScript are number based.
You can use a class with static members though:
class E
{
st...
sql query to return differences between two tables
...e the same exposed names. Use correlation names to distinguish them. I get error if table names are same and you pull them from two different databases.
– Hammad Khan
Jul 20 '11 at 19:10
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What is the easiest way to remove all packages installed by pip?
...at I just ran into) whereas wipeenv while within the environment throws an error and doesn't remove anything if used in the context of a pip install -e development build, attempting to use virtualenv --clear MYENV doesn't throw an error and removes none of the packages that you may have installed pr...