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how to check the dtype of a column in python pandas
I need to use different functions to treat numeric columns and string columns. What I am doing now is really dumb:
6 Answer...
Removing an element from an Array (Java) [duplicate]
...t if you end up deleting lots of elements. You could use an ArrayList, and set the initial size to the length of input. It likely wouldn't make much of a difference.
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When using the Java debugger in Intellij what does “Drop Frame” mean?
... field values and the like) will not be undone, only local variables are reset. This can lead to a different execution path than the one that originally led to your break point. You need to be aware of this - I often consider it a useful feature to explore different paths of execution without having...
Testing javascript with Mocha - how can I use console.log to debug a test?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
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What is the difference between declarative and procedural programming paradigms?
...tion, etc." Another example is Prolog, where a "program" is a declarative set of facts and relations/deductions, and a query. The Prolog engine figures out how to evaluate the query: you don't need to tell it how to do so. Finally, regular expressions: you describe the pattern rather than spellin...
Global Git ignore
I want to set up Git to globally ignore certain files.
12 Answers
12
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map vs. hash_map in C++
I have a question with hash_map and map in C++. I understand that map is in STL, but hash_map is not a standard. What's the difference between the two?
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Generating a list of which files changed between hg versions
...ing the "x::y" (DAG - Directed Acyclic Graph) range.
Given parallel changesets,
1--2---4
\---3
hg status --rev 1:4 would return (1,2,3,4),
i.e. anything between and including the endpoints, according to the local, numerical rev. This might (and most probably will) return different results in ...
Using member variable in lambda capture list inside a member function
...t i;
for_each(groups.cbegin(),groups.cend(),[localGrid,&i](pair<int,set<int>> group){
i++;
cout<<i<<endl;
});
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How to encrypt String in Java
...ibrary Tink, I would recommend completely removing Jasypt from an existing setup.
Foreword
I will outline the basics of secure symmetric cryptography below and point out common mistakes I see online when people implement crypto on their own with the standard Java library. If you want to just skip...