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How to declare a global variable in JavaScript?
...l variables in production code (which should be avoided) always declare them explicitly:
window.globalVar = "This is global!";
While it is possible to define a global variable by just omitting var (assuming there is no local variable of the same name), doing so generates an implicit global, which...
What is the purpose of setting a key in data.table?
I am using data.table and there are many functions which require me to set a key (e.g. X[Y] ). As such, I wish to understand what a key does in order to properly set keys in my data tables.
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How to remove the first Item from a list?
I have the list [0, 1, 2, 3, 4] I'd like to make it into [1, 2, 3, 4] . How do I go about this?
10 Answers
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Rounded table corners CSS only
I have searched and searched, but haven't been able to find a solution for my requirement.
17 Answers
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Proper way to wait for one function to finish before continuing?
... the other, wait for that function to finish, then continue on. So, for example/pseudo code:
7 Answers
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What are the differences between NP, NP-Complete and NP-Hard?
What are the differences between NP , NP-Complete and NP-Hard ?
11 Answers
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How do CDI and EJB compare? interact?
I'm having a tough time understanding how the two interact and where the boundary between them lies. Do they overlap? Are there redundancies between them?
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
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As per the documentation: This allows you to switch from the default ASCII to other encodings such as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode.
This function is only available at Pytho...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
This is a bit of a philosophical question about data.table join syntax. I am finding more and more uses for data.tables, but still learning...
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Lock-free multi-threading is for real threading experts
...ading through an answer that Jon Skeet gave to a question and in it he mentioned this:
6 Answers
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