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How to check if a variable is null or empty string or all whitespace in JavaScript?
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So while yes, "white space" encompasses more than null, spaces or blank my answer is intended to answer op's specific question. This is important because op may NOT want to catch things like tabs, for example.
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Django Server Error: port is already in use
...nning already by killing the process associated with it.
kill -9 PID
in my case
kill -9 6599
Now run your Django app.
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How do I convert from BLOB to TEXT in MySQL?
I have a whole lot of records where text has been stored in a blob in MySQL. For ease of handling I'd like to change the format in the database to TEXT... Any ideas how easily to make the change so as not to interrupt the data - I guess it will need to be encoded properly?
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ignoring any 'bin' directory on a git project
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if I usually do a git add -A on my commits, can I use this instead? and can I replace the dot with -A on the first line too?
– ajax333221
May 12 '19 at 15:59
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CodeIgniter: How to get Controller, Action, URL information
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because my controller have sub folder, so $this->uri->segment(1) return controller name maybe incorrect. Thanks for your help, I use $this->router to get the informations.
– noname.cs
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Getting all names in an enum as a String[]
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@JBNizet heheh, i actually tried this in my IDE and way to lazy to create an State array i guess, hehe, anyways iedited it now :)
– PermGenError
Dec 9 '12 at 0:15
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Distinct in Linq based on only one field of the table
...TruthOf42 That's rather unlikely. GroupBy doesn't create empty groups, see my previous comment. Most likely, your code contains more than what you see here. Maybe you have a Where as well or a condition for the First.
– Daniel Hilgarth
Apr 27 '16 at 16:04
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Using Intent in an Android application to show another activity
In my Android application, I have two activity classes. I have a button on the first one and I want to show the second when it is clicked, but I get an error. Here are the classes:
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nullable object must have a value
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You should change the line this.MyDateTime = myNewDT.MyDateTime.Value; to just this.MyDateTime = myNewDT.MyDateTime;
The exception you were receiving was thrown in the .Value property of the Nullable DateTime, as it is required to return a DateTime (since ...