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How do I modify a MySQL column to allow NULL?
...ge case which is the TIMESTAMP type, which depending on your MySQL version and config can be NOT NULL specifying NULL as suggested by @ConroyP is more correct.
– Matthew Buckett
Jan 26 '16 at 13:37
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Non-static method requires a target
I have a controller action that works fine on Firefox both locally and in production, and IE locally, but not IE in production. Here is my controller action:
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Android Studio Stuck at Gradle Download on create new project
I have installed the new Android Studio . Everything was working fine but when I try to create a new project it gets stuck at downloading Gradle .
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Override body style for content in an iframe
How can I control the background image and colour of a body element within an iframe ? Note, the embedded body element has a class, and the iframe is of a page that is part of my site.
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How can I replace text with CSS?
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display: none; and visibility: hidden; both hide the pseudo element
– Facundo Colombier
Feb 23 '15 at 14:20
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How do you determine what technology a website is built on? [closed]
Quite often I come across a nice looking or functional website, and wonder what technology was used to create it. What techniques are available to figure out what a
particular website was built with?
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Can you explain the concept of streams?
I understand that a stream is a representation of a sequence of bytes. Each stream provides means for reading and writing bytes to its given backing store. But what is the point of the stream? Why isn't the backing store itself what we interact with?
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How do you search an amazon s3 bucket?
I have a bucket with thousands of files in it. How can I search the bucket? Is there a tool you can recommend?
21 Answers
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Why does my 'git branch' have no master?
I'm a git newbie and I keep reading about a "master" branch. Is "master" just a conventional name that people used or does it have special meaning like HEAD ?
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How do I list all the columns in a table?
...ting, since DESCRIBE is not an Oracle PLSQL instruction but a SQL*Plus command, and as such it doesn't work in most SQL IDEs.
– walen
Dec 13 '18 at 14:29
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