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Changing MongoDB data store directory
...your solution but when I am restarting the application it giving following error - 2019-11-18T18:58:45.215+1100 I STORAGE [initandlisten] exception in initAndListen: 28596 Unable to determine status of lock file in the data directory /var/lib/mongo: boost::filesystem::status: Permission denied: "/v...
asynchronous vs non-blocking
...socket is one that simply returns immediately with a special "would block" error message, whereas a blocking socket would have blocked. You have to use a separate function such as select or poll to find out when is a good time to retry.
But asynchronous sockets (as supported by Windows sockets), or...
How to search by key=>value in a multidimensional array in PHP
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@JohnKugelman Wont the "efficient" answer error out if $key does not exist in the array? Wouldnt it be better to do if (array_key_exists($key, $array) && $array[$key] == $value) {?
– Chase
Feb 3 '14 at 21:04
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Integrating MySQL with Python in Windows
... I installed python 2.7 x64 but while importing MySQLdb I'm getting 'ImportError: No module named _mysql_windows.api' error. pls anyone help me to solve this issue.
– Vilva
Aug 3 '12 at 12:15
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Get index of element as child relative to parent
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None of the code snippets on my answer produce that error - you can press "Run code snippet" to see them working. If you're getting that error, you're using different code - it sounds like you're using jQuery, but my answer is showing how to accomplish this sort of thing witho...
Swift native base class or NSObject
...example, where we don't base on NSObject, the compiler correctly spots the error in testIncorrect_CompilerShouldSpot,
reporting "... 'MyClass' is not convertible to 'MirrorDisposition'"
class MyClass {
let mString = "Test"
func getAsString() -> String {
return mString
}
func testIn...
Oracle SQL: Update a table with data from another table
...n = (select...)
never worked for me since set only expects 1 value - SQL Error: ORA-01427: single-row subquery returns more than one row.
here's the solution:
BEGIN
For i in (select id, name, desc from table1)
LOOP
Update table2 set name = i.name, desc = i.desc where id = i.id;
END LOOP;
END;
...
git rebase fatal: Needed a single revision
...e origin on a test repository (where origin has a HEAD) and I get the OP's error. The documentation for rebase doesn't say that a remote name is valid for the <upstream>.
– CB Bailey
Jan 25 '11 at 20:21
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How do you get git to always pull from a specific branch?
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I just tried this, and I get the error fatal: Not a valid object name: 'origin/master'. even though origin is a valid remote, and master exists, as per usual, in both repos.
– Ken Williams
Apr 6 '12 at 14:00
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Phone: numeric keyboard for text input
... can disable this using the novalidate attribute, or you can customize the error message for a failed validation using the title attribute.
If you need to be able to enter leading zeros, commas, or letters - for example, international postal codes - check out this slight variant.
Credits and ...