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SQL set values of one column equal to values of another column in the same table
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I don't think that other example is what you're looking for. If you're just updating one column from another column in the same table you should be able to use something like this.
update some_table set null_column = not_null_column where null_column is null
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How to properly handle a gzipped page when using curl?
...st likely supported, but you can check this by running curl -V and looking for libz somewhere in the "Features" line:
$ curl -V
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Protocols: ...
Features: GSS-Negotiate IDN IPv6 Largefile NTLM SSL libz
Note that it's really the website in question that is at fault here. If curl did not pass ...
Blocks on Swift (animateWithDuration:animations:completion:)
...compiler that this closure takes a Bool labeled 'value' and returns void.
For reference, if you wanted to write a closure that returned a bool the syntax would be
{(value: Bool) -> bool in
//your stuff
}
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Testing if jQueryUI has loaded
...ometimes loads in time, sometimes not. If ui is not loaded, how can I wait for it (or force it to be loaded) before calling any method?
– Gabriel Diaconescu
Sep 14 '11 at 10:10
17
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RSpec: how to test if a method was called?
...n order to ensure that a method was called during the execution of a test (for the sake of argument, let's just say I can't really interrogate the state of the object after the call because the operation the method performs is not easy to see the effect of).
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Replace None with NaN in pandas dataframe
...bject None, not the string 'None'.
import pandas as pd
import numpy as np
For dataframe:
df = df.fillna(value=np.nan)
For column or series:
df.mycol.fillna(value=np.nan, inplace=True)
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imp...
What is the at sign (@) in a batch file and what does it do?
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Accepted this one for the on-site explanation of without ... any prompts associated with the execution, and for saying things like (verbosity of) the command processor, and telling about space. :) Nice test batch, too!
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Should I use AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory?
...that can and will change throught the course of running your application. For instance, using default parameters, the OpenFileDialog in WinForms will change this value to the directory where the file was selected from.
sh...
Maven: how to do parallel builds?
...jects in parallel. Is there a way to do this with maven? Is there a plugin for this / whatever?
4 Answers
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PowerShell script to return versions of .NET Framework on a machine?
...g to use the registry you have to recurse in order to get the full version for the 4.x Framework. The earlier answers both return the root number on my system for .NET 3.0 (where the WCF and WPF numbers, which are nested under 3.0, are higher -- I can't explain that), and fail to return anything for...