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java.lang.IllegalStateException: The specified child already has a parent
...second time I got this exception. I couldn't find the line where I got the error?
11 Answers
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Why git can't remember my passphrase under Windows
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Just in case someone else runs into this stupid error: make sure you're using the SSH remote URL format (git@host:accountname/reponame.git) not the HTTPS URL otherwise it'll keep on asking for that password...
– dain
Jan 6 '12 at 12:2...
How to create REST URLs without verbs?
...data that's clearly bogus; for your application this could be a validation error; generally reserve 500 for uncaught exceptions
401 Unauthorized when someone accesses your API either without supplying a necessary Authorization header or when the credentials within the Authorization are invalid; don'...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
...c void onCompleted(Response response) {
FacebookRequestError error = response.getError();
if (error != null && response != null) {
Log.e(TAG, error.toString());
} else {
graphObject = ...
Delete everything in a MongoDB database
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Better than db[c], use db.getCollection(c) which avoids errors when collection names are digits.
– Jason R. Coombs
Aug 1 '16 at 16:32
1
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Ruby function to remove all white spaces?
......, which is overly verbose and provides many opportunities for typos and errors of omission.
– joel.neely
Sep 8 '12 at 23:48
14
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Capitalize first letter. MySQL
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@ManuelDallaLana actually you could get error Illegal mix of collations for operation 'concat' so I think just fix the charset or remove it and make it on default.
– Al-Mothafar
Aug 19 '18 at 9:30
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Apache redirect to another port
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this caused an error "Service Unavailable" on my httpd until I did /usr/sbin/setsebool -P httpd_can_network_connect 1
– vladkras
Oct 7 '16 at 9:34
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...e Visual Studio would spot this problem and issue a warning):
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bool error; // uninitialised value
if(something)
{
error = true;
}
return error;
If Visual Studio didn't preinitialise variables to a known value, then this bug could potentially be hard to find. With preinitia...
How do I POST JSON data with cURL?
...quests but solved it by capitalized "Application/json" so if you get a 415 error, check the capitalization.
– WiteCastle
Apr 24 '14 at 18:13
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