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Check if at least two out of three booleans are true
An interviewer recently asked me this question: given three boolean variables, a, b, and c, return true if at least two out of the three are true.
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Checkbox for nullable boolean
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Works for me. Thanks!
– Samuel
Mar 8 '13 at 17:00
1
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How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio
I would like to make a timestamp column with a default value of CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP using the Laravel Schema Builder/Migrations. I have gone through the Laravel documentation several times, and I don't see how I can make that the default for a timestamp column.
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MySQL search and replace some text in a field
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Change table_name and field to match your table name and field in question:
UPDATE table_name SET field = REPLACE(field, 'foo', 'bar') WHERE INSTR(field, 'foo') > 0;
REPLACE (string functions)
INSTR (string functions)
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Confusion about vim folding - how to disable?
...nly workaround I've found is to set the context sub-option of diffopt to something really huge. eg: set diffopt+=context:99999
– Laurence Gonsalves
Mar 26 '14 at 22:51
14
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Jenkins on OS X: xcodebuild gives Code Sign error
...irst, so try the default keychain first. Also note that there is no -k argument to unlock-keychain so whatever you're trying to do doesn't seem right (see security help unlock-keychain).
– Simon Urbanek
Feb 12 '12 at 16:30
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adb server version doesn't match this client
...e you using Genymotion for a virtual device?
if yes this error probably came out because ADB from Genymotion conflicted with your ADB from Android SDK(using same port number), to fix this simply go to settings => choose ADB tab => click on the option Use custom Android SDK Tools and set your ...
BASH copy all files except one
I would like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you?
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Apache VirtualHost 403 Forbidden
...curity feature that often results in this error. You would also see a log message of the form "client denied by server configuration". The feature is requiring a user identity to access a directory. It is turned on by DEFAULT in the httpd.conf that ships with Apache. You can see the enabling of ...
Changing Ctrl + Tab behavior for moving between documents in Visual Studio
...roblem is the inconsistency of what switching to the next and previous document do.
13 Answers
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