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How to extract epoch from LocalDate and LocalDateTime?
How do I extract the epoch value to Long from instances of LocalDateTime or LocalDate ? I've tried
the following, but it gives me other results:
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Is the primary key automatically indexed in MySQL?
Do you need to explicitly create an index, or is it implicit when defining the primary key? Is the answer the same for MyISAM and InnoDB?
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Selecting data from two different servers in SQL Server
How can I select data in the same query from two different databases that are on two different servers in SQL Server?
15 An...
What is a Maven artifact?
What is an artifact and why does Maven need it?
9 Answers
9
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Why are preprocessor macros evil and what are the alternatives?
I have always asked this but I have never received a really good answer; I think that almost any programmer before even writing the first "Hello World" had encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alte...
Add subdomain to localhost URL
I am writing an web application that behaves differently depending on a url prefix. The format is something like:
5 Answers...
what is the difference between 'transform' and 'fit_transform' in sklearn
In the sklearn-python toolbox, there are two functions transform and fit_transform about sklearn.decomposition.RandomizedPCA . The description of two functions are as follows
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AngularJS : Differences among = & @ in directive scope? [duplicate]
Creating an isolate scope inside a directive lets us map the outer scope to the inner scope . We have seen six different ways to map to attrbutes:
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Differences between Java 8 Date Time API (java.time) and Joda-Time
I know there are questions relating to java.util.Date and Joda-Time. But after some digging, I couldn't find a thread about the differences between the java.time API (new in Java 8 , defined by JSR 310 ) and Joda-Time .
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Can jQuery read/write cookies to a browser?
Simple example: I want to have some items on a page (like divs or table rows), and I want to let the user click on them to select them. That seems easy enough in jQuery. To save which items a user clicks on with no server-side post backs, I was thinking a cookie would be a simple way to get this don...