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How can I count the occurrences of a list item?
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If you only want one item's count, use the count method:
>>> [1, 2, 3, 4, 1, 4, 1].count(1)
3
Don't use this if you want to count multiple items. Calling count in a loop requires a separate pass over the list for ...
Maximum Length of Command Line String
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@ulrichb And now that link is broken too after yet another blog migration. The cited article can now be found at devblogs.microsoft.com/oldnewthing/20031210-00/?p=41553
– Adam Rosenfield
May 6 at 5:...
How to update npm
...nload/
For historical understanding: Chis Lea was maintaining his PPA but now joined forces with nodesource.
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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
...D set q.QuestionID = a.QuestionID; seems to be the same basic query in a different order. any idea why?
– billynoah
Apr 12 '14 at 22:39
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Equivalent of *Nix 'which' command in PowerShell?
...me)
{
Get-Command $name | Select-Object -ExpandProperty Definition
}
Now, when you reload your profile you can do this:
PS C:\> which notepad
C:\Windows\system32\notepad.exe
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How can I properly handle 404 in ASP.NET MVC?
...class so you can easily invoke your custom 404 action and wire up HandleUnknownAction
404s in ASP.NET MVC need to be caught at a number of places. The first is HandleUnknownAction.
The InvokeHttp404 method creates a common place for re-routing to the ErrorController and our new Http404 action. Thi...
How to determine whether an object has a given property in JavaScript
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Object has property:
If you are testing for properties that are on the object itself (not a part of its prototype chain) you can use .hasOwnProperty():
if (x.hasOwnProperty('y')) {
// ......
}
Object or its prototype has a property:
You ca...
Was PreferenceFragment intentionally excluded from the compatibility package?
...nt:0.1.1'
Important Update: The latest revision of the v7 support library now has a native PreferenceFragmentCompat.
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Using capistrano to deploy from different git branches
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With multistage, it's actually now:
cap production deploy -s branch=my-branch
The previous post syntax does not work in my environment
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Can you make valid Makefiles without tab characters?
... nothing you can do about it if you are going to use make.
Edit: GNU Make now supports a custom recipe prefix. See this answer.
You are not the first one to dislike this aspect of make. To quote Unix Haters' Handbook:
The problem with Dennis’s Makefile is that when he added the comment line...