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postgresql COUNT(DISTINCT …) very slow
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@ankur this wasn't much useful for me..didn't get any remarkable improvement.
– Shiwangini
Sep 9 '19 at 8:18
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How to apply a Git patch to a file with a different name and path?
...urse complains that the files are not named the same (which I thought Git didn't care about?). I know I could probably edit the diff to apply to that specific file but I'm looking for a command solution.
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How can I override inline styles with external CSS?
...nline styles, but I don't have access to change this markup. How do I override inline styles in a document using only CSS? I don't want to use jQuery or JavaScript.
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Passing two command parameters using a WPF binding
...erter="{StaticResource YourConverter}">
<Binding Path="Width" ElementName="MyCanvas"/>
<Binding Path="Height" ElementName="MyCanvas"/>
</MultiBinding>
</Button.CommandParameter>
</Button>
In your converter:
public class YourCo...
How do I print the elements of a C++ vector in GDB?
...alling above, this works well with Eclipse C++ debugger GUI (and any other IDE using GDB, as I think).
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When to use nested classes and classes nested in modules?
...y a difference in name.
As for your second observation, classes nested inside of modules are generally used to namespace the classes. For instance:
module ActiveRecord
class Base
end
end
differs from
module ActionMailer
class Base
end
end
Although this is not the only use of classes n...
Maximum Length of Command Line String
...in7. I'm not sure what the 8191 limit refers to, but I haven't found any evidence of it yet.
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How to use git merge --squash?
...pecify it like so: git commit -a --author="Author" --message="Issue title #id"
– gaborous
Aug 17 '16 at 17:16
6
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Accessing console and devtools of extension's background.js
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I had the same problem, in my case the logging was set to "Hide all" in the console tab in Chrome Developer tools.
I had not even realised this was an option, and I can't remember turning it off
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Prompt for user input in PowerShell
...tring input from a user.
$name = Read-Host 'What is your username?'
To hide passwords you can use:
$pass = Read-Host 'What is your password?' -AsSecureString
To convert the password to plain text:
[Runtime.InteropServices.Marshal]::PtrToStringAuto(
[Runtime.InteropServices.Marshal]::Secur...