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Delete column from pandas DataFrame
...index/columns keywords as an alternative to specifying the axis.
So we can now just do:
df.drop(columns=['B', 'C'])
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How to check whether a given string is valid JSON in Java
...e option would be to use Jackson library. First import the latest version (now is):
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.7.0</version>
</dependency>
Then, you can...
Copy tables from one database to another in SQL Server
...n just a few updates 3rd party comparison tools come in very handy. Right now I’m using ApexSQL Diff for schema migrations but you can’t go wrong with any other tool out there.
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How do I clear my local working directory in Git? [duplicate]
...y
## clear the working copy
git checkout empty
Your working copy should now be clear of any managed content. All that remains are unmanaged files and the .git folder itself.
To re-populate your working copy...
git checkout master ## or whatever branch you will be using
If you're a forward ...
How do I add an existing directory tree to a project in Visual Studio?
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Only way I know of to do this outside the project is using a symbolic link... see my answer: stackoverflow.com/a/26537736/835561
– Edyn
Oct 23 '14 at 21:25
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form serialize javascript (no framework)
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oh, now I see, googlecode does not work without javascript. It simply spits That's an error
– user1040495
Apr 17 '17 at 14:35
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Anti-forgery token issue (MVC 5)
...ti-forgery token :(
I have created my own User class which worked fine but now I am getting an error whenever I go to the /Account/Register page. The error is:
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How to make JavaScript execute after page load?
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Good solution, but now outdated: developer.mozilla.org/en-US/docs/Web/API/EventTarget/…
– Renan
Nov 26 '17 at 5:25
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How to select from subquery using Laravel Query Builder?
...misspelt the name, it should have been selectSub. I've updated my response now.
– Sasa Blagojevic
Sep 26 '18 at 7:39
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Why does one often see “null != variable” instead of “variable != null” in C#?
...is in C by doing:
if (5 == x)
A typo here will result in invalid code.
Now, in C# this is all piffle. Unless you're comparing two Boolean values (which is rare, IME) you can write the more readable code, as an "if" statement requires a Boolean expression to start with, and the type of "x=5" is I...