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How to get Core Data object from specific Object ID?
...ectWithID:(NSManagedObjectID *)objectID
error:(NSError **)error
Fetches the object from the store that has that ID, or nil if it doesn't exist.
(Be aware: there are two methods on NSManagedObjectContext with similar-seeming names that tripped me up. To help keep...
Why does ++[[]][+[]]+[+[]] return the string “10”?
... sure how this is possible. ++[[]][0] returns indeed 1, but ++[] throws an error. This is remarkable because it looks like ++[[]][0] does boil down to ++[]. Do you perhaps have any idea why ++[] throws an error whereas ++[[]][0] does not?
– pimvdb
Sep 9 '11 at ...
Download a file with Android, and showing the progress in a ProgressDialog
...connect();
// expect HTTP 200 OK, so we don't mistakenly save error report
// instead of the file
if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
return "Server returned HTTP " + connection.getResponseCode()
...
What is “with (nolock)” in SQL Server?
... to insert a duplicate key will not fail the transaction and generate an error rather just generate a warning. If you don't use this weird option you probably don't have to worry about getting rows twice
– JanHudecek
Mar 10 '12 at 13:00
...
check if directory exists and delete in one command unix
...@remo needs, i.e. deleting a directory only if it exists and not giving an error if it doesn't. Maybe the question is not quite well put because why would you need to check the existence when this command won't care?!
– pedram bashiri
Apr 25 '18 at 15:30
...
Why does substring slicing with index out of range work?
Why doesn't 'example'[999:9999] result in error? Since 'example'[9] does, what is the motivation behind it?
3 Answers
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mysql -> insert into tbl (select from another table) and some default values [duplicate]
...s city_name from test.cities as citydb; i am using this query it give me error can any one help me to solve this error?
– Chintan Mathukiya
Apr 7 at 12:57
...
ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView
...p), but when I try to run the Activity that uses the ListView I receive an error and the app stops. The application is targeted for the Android 1.6 platform.
...
How to handle invalid SSL certificates with Apache HttpClient? [duplicate]
...ks
with an SSL enabled server running in
https protocol, you could get error
'unable to find valid certification
path to requested target' if the
server certificate is not issued by
certification authority, but a self
signed or issued by a private CMS.
Don't panic. All you need to...
What does a script-Tag with src AND content mean?
...this differently. Some run the content only if the src is included without error. Some run it after attempting to include the src script, regardless of success. Since this behaviour is unreliable (and prohibited in HTML5), it should be avoided.
Google isn't relying an any specific behaviour. Since ...