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What underlies this JavaScript idiom: var self = this?
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I think the variable name 'self' should not be used this way anymore, since modern browsers provide a global variable self pointing to the global object of either a normal window or a WebWorker.
To avoid confusion and potential conflicts, you can write var thiz = this or var that = this ...
JS: iterating over result of getElementsByClassName using Array.forEach
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75
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Programmatically get height of navigation bar
I know that the presence of the more view controller (navigation bar) pushes down the UIView by its height. I also know that this height = 44px. I have also discovered that this push down maintains the [self.view].frame.origin.y = 0 .
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ASP.NET Identity - HttpContext has no extension method for GetOwinContext
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Easy way to list node modules I have npm linked?
...ing the simplest solution and working in Windows. Wish I could upvote this more than once.
– Artif3x
Jun 13 '18 at 14:33
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What is the difference between properties and attributes in HTML?
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Dynamically changing font size of UILabel
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How to remove a directory from git repository?
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305
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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
...re, then it means that the DB isn't reachable at all. This can have one or more of the following causes:
IP address or hostname in JDBC URL is wrong.
Hostname in JDBC URL is not recognized by local DNS server.
Port number is missing or wrong in JDBC URL.
DB server is down.
DB server ...