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NumPy or Pandas: Keeping array type as integer while having a NaN value
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For now you have to specify a special dtype like 'Int64' to make it work. It will be even better when it will be enabled by default.
– Jean Paul
Jan 23 '19 at 13:42
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Rails nested form with has_many :through, how to edit attributes of join model?
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Let me know if this was helpful
– Arcolye
Feb 17 '10 at 7:17
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.NET HashTable Vs Dictionary - Can the Dictionary be as fast?
...nsure you're getting the right value on lookups, ie how does the function know which element to return? In msdn.microsoft.com/en-us/library/ms379571%28VS.80%29.aspx it says,"Rather than reprobing in the event of a collision, as is done with the Hashtable class, the Dictionary simply chains any coll...
How to read file contents into a variable in a batch file?
... it may well be that no UNC paths are allowed there. Can't test this right now but keep this in mind.
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.gitignore file, where should I put it in my xcode project?
...ory and activate it:
git config --global core.excludesfile ~/.gitignore
Now you can put whatever files are generated by your development tools into your .gitignore file.
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Backbone.View “el” confusion
...a pre-existing element with el: $("#someElementID") is your view probably knows more than it should, making it difficult to reuse it. see "Decouple view from DOM..." coenraets.org/blog/2012/01/…
– Scott Coates
May 4 '12 at 16:02
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ScalaTest in sbt: is there a way to run a single test without tags?
I know that a single test can be ran by running, in sbt,
5 Answers
5
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What is the difference between memoization and dynamic programming?
...recurses down to solve the sub-problems).
A good slide from here (link is now dead, slide is still good though):
If all subproblems must be solved at least once, a bottom-up dynamic-programming algorithm usually outperforms a top-down memoized algorithm by a constant factor
No overhe...
Why does a RegExp with global flag give wrong results?
...oo Bar'));
re.lastIndex = 0;
result.push(re.test('Foo Bar'));
// result is now [true, true]
Having said that it may be more readable to create a new RegExp object each time (overhead is minimal as the RegExp is cached anyway):
result.push((/Foo B/gi).test(stringA));
result.push((/Foo B/gi).test(s...
How do I make my string comparison case insensitive?
...) {
System.out.println("hai");
} else {
System.out.println("welcome");
}
Now it will output : hai
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