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MySQL CONCAT returns NULL if any field contain NULL
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You can use if select CONCAT(if(affiliate_name is null ,'',affiliate_name),'- ',if(model is null ,'',affiliate_name)) as model from devices
– Dinesh Rabara
Sep 24 '15 at 13:41
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When and why I should use session_regenerate_id()?
...n_regenerate_id() when he successfully signs in (or for every X requests). Now only he has the session ID, and your old (fixated) session ID is no longer valid.
When should I use session_regenerate_id()?
As symbecean points out in the comments below, the session id must be changed at any transition ...
Git status ignore line endings / identical files / windows & linux environment / dropbox / mled
...repo is in Dropbox (I don't need a public repository) that's probably the difference
– Thorsten Niehues
Dec 13 '13 at 10:46
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how to schedule a job for sql query to run daily?
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if SQL Server Agent node is not expandable with a label "Agent XPs disabled", run this code sp_configure 'show advanced options', 1; GO RECONFIGURE; GO sp_configure 'Agent XPs', 1; GO ...
Objective-C: Where to remove observer for NSNotification?
...ave an objective C class. In it, I created a init method and set up a NSNotification in it
14 Answers
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Creating a temporary directory in Windows?
...aged p/invoke code is worth it. Most would say it is not, but at least you now have a choice.
CreateParentFolder() is left as an exercise to the student. I use Directory.CreateDirectory(). Be careful getting the parent of a directory, since it is null when at the root.
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How to select first parent DIV using jQuery?
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Use .closest() to traverse up the DOM tree up to the specified selector.
var classes = $(this).parent().closest('div').attr('class').split(' '); // this gets the parent classes.
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Why is this inline-block element pushed downward?
...shed downward rather than pulling it upward by one way or another. (and I know how to align their tops :))
8 Answers
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How to make a in Bootstrap look like a normal link in nav-tabs?
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Shows differently than links.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Oct 5 '14 at 9:35
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Using PowerShell credentials without being prompted for a password
... <any other parameters relevant to you>
You may need a different -Authentication switch value because I don't know your environment.
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