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Get the first element of an array
...hift(array_slice($array, 0, 1));
With PHP 5.4+ (but might cause an index error if empty):
array_values($array)[0];
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Why is __dirname not defined in node REPL?
...ems to be undefined. Is this a misunderstanding on my side or where is the error?
11 Answers
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AI2 Media Notification
...data and appearance ProgressBar (since Android 10, API Level 29) How to Error handling Reference Properties Methods Events Example The user interface Controls Options Implementation hints Build the Extension Providing the libraries Copy the libraries Declarations Pacht the .aix file...
How can you integrate a custom file browser/uploader with CKEditor?
...ile" or something. Set url to an empty string if the third parameter is an error message.
CKEditor's "upload" tab will submit a file in the field "upload" - in PHP, that goes to $_FILES['upload']. What CKEditor wants your server to output is a complete JavaScript block:
$output = '<html><...
App.Config Transformation for projects which are not Web Projects in Visual Studio?
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I had an error MSBuild error MSB3021: Unable to copy file. Could not find file 'obj\Release\ConsoleApp.exe' during the build. So I change a bit the solution to reuse target <Target Name="AfterBuild"> section instead of creating ...
'adb' is not recognized as an internal or external command, operable program or batch file
... I was trying to install required apk file on emulator, I am getting below error.
24 Answers
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Does every Core Data Relationship have to have an Inverse?
...ontext deleteObject:appType];
BOOL saved = [managedObjectContext save:&error];
What we expect is to fail this context save since we have set the delete rule as Deny while relationship is non optional.
But here the save succeeds.
The reason is that we haven't set an inverse relationship. Bec...
How do I perform a Perl substitution on a string while keeping the original?
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Ah, but the one line version isn't subject to the error in the question of unintentionally modifying the wrong string.
– ysth
Sep 19 '08 at 6:13
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How can I filter a date of a DateTimeField in Django?
...ised it got 4 upvotes, because when I try the contains solution, I get the error message: Unable to get repr for <class 'django.db.models.query.QuerySet'>
– Houman
Jan 13 '13 at 13:13
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Shell script - remove first and last quote (") from a variable
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Elegant and saved me from a lot more trial-error-debug time. Thx.
– Scott Wade
Nov 22 '18 at 0:07
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