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How do I check that multiple keys are in a dict in a single pass?
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Well, you could do this:
>>> if all (k in foo for k in ("foo","bar")):
... print "They're there!"
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They're there!
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How to delete duplicates on a MySQL table?
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The above query deleted all of my records except one :(
– Zolbayar
Aug 10 at 3:21
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Using an HTML button to call a JavaScript function
I am trying to use an HTML button to call a JavaScript function.
10 Answers
10
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
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The tilde operator isn't actually part of jQuery at all - it's a bitwise NOT operator in JavaScript itself.
See The Great Mystery of the Tilde(~).
You are getting strange numbers in your experiments because you are performing a bitwise logical operatio...
What is a 'Closure'?
... scope
When you declare a local variable, that variable has a scope. Generally, local variables exist only within the block or function in which you declare them.
function() {
var a = 1;
console.log(a); // works
}
console.log(a); // fails
If I try to access a local variable, most languag...
How to make all Objects in AWS S3 bucket public by default?
...23327",
"Action": [
"s3:GetObject"
],
"Effect": "Allow",
"Resource": "arn:aws:s3:::bucketnm/*",
"Principal": {
"AWS": [
"*"
]
}
}
]
}
Now go to your AWS S3 console, At the bucket level, click on Properties, Expand Permissi...
ASP.NET MVC ambiguous action methods
I have two action methods that are conflicting. Basically, I want to be able to get to the same view using two different routes, either by an item's ID or by the item's name and its parent's (items can have the same name across different parents). A search term can be used to filter the list.
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Determine if a sequence contains all elements of another sequence using Linq [duplicate]
...nt> hashSet = new HashSet<int>(superset);
bool contained = subset.All(i => hashSet.Contains(i));
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Include all files in a folder in a single bundle
When using BundleConfig is it possible to include all files of a folder including all the files of the childfolders (and their childfolders etc.)?
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JavaScript - Replace all commas in a string [duplicate]
...a.k.a. "global search"). The algorithm is simple: regular expression finds ALL matches (here commas) in the given string. More information about regular expressions in JavaScript you can find in MDN.
– VisioN
Nov 5 '15 at 8:37
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