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if (key in object) or if(object.hasOwnProperty(key)
...someMap.constructor will yield -> function Object() { [native code] }
Now, if you want to iterate through "someMap" you will have to do it this way:
const key
for(key in someMap ){
if (someMap.hasOwnProperty(key)) {
// Do something
}
}
We are doing so in order to avoid iterating over i...
New to unit testing, how to write great tests? [closed]
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Thanks a lot, your answer was the more complete. I now better understand what mock objects are really for : I don't need to assert every call to other methods, just the relevant ones. I also don't need to know HOW things get done, but that they correctly do.
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When should you use constexpr capability in C++11?
...t b ) { return a * b; }
const int meaningOfLife = MeaningOfLife( 6, 7 );
Now you have something that can be evaluated down to a constant while maintaining good readability and allowing slightly more complex processing than just setting a constant to a number.
It basically provides a good aid to ma...
Why doesn't Dijkstra's algorithm work for negative weight edges?
...int on positive numbers - the above assumption is not true.
Since we do "know" each vertex which was "closed" is minimal - we can safely do the relaxation step - without "looking back". If we do need to "look back" - Bellman-Ford offers a recursive-like (DP) solution of doing so.
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How to set the context path of a web application in Tomcat 7.0
I know that I can rename my webapp (or it's WAR file) to ROOT but this is a terrible way to do it, IMHO. Now I checked out the tomcat doc & it says
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Storing JSON in database vs. having a new column for each key
...a types and the support in PostgreSQL was in its infancy. Since 5.7, MySQL now supports a JSON data type (in a binary storage format), and PostgreSQL JSONB has matured significantly. Both products provide performant JSON types that can store arbitrary documents, including support for indexing specif...
Binary search (bisection) in Python
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I originally +1'ed this, but now I've come to the conclusion this isn't a good thing. If this answer is followed, it'll cause a lot of code duplication, and as we all know, it's really simple to f*ck up binary search.
– abyx
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Push git commits & tags simultaneously
... push" to push relevant annotated tags when pushing branches out.
You can now try, when pushing new commits:
git push --follow-tags
That won't push all the local tags though, only the one referenced by commits which are pushed with the git push.
Git 2.4.1+ (Q2 2015) will introduce the option push....
Why does the JVM still not support tail-call optimization?
...ementation and MLVM has listed the feature as "proto 80%" for some time now.
4 Answers
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Can I specify multiple users for myself in .gitconfig?
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This is the best answer now that git 2.13 has been released.
– tejasbubane
May 10 '17 at 11:18
2
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